WebSVN – wimsdev – Blame – /trunk/wims/src/exec.c

Rev	Author	Line No.	Line
10	reyssat	1	/* Copyright (C) 1998-2003 XIAO, Gang of Universite de Nice - Sophia Antipolis
		2	*
		3	* This program is free software; you can redistribute it and/or modify
		4	* it under the terms of the GNU General Public License as published by
		5	* the Free Software Foundation; either version 2 of the License, or
		6	* (at your option) any later version.
		7	*
		8	* This program is distributed in the hope that it will be useful,
		9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		11	* GNU General Public License for more details.
		12	*
		13	* You should have received a copy of the GNU General Public License
		14	* along with this program; if not, write to the Free Software
		15	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
		16	*/
		17
8185	bpr	18	/* this is part of wims server source.
		19	* This file does execution commands.
		20	*/
		21	#include "wims.h"
10	reyssat	22
		23	static void _skip_contents(int isif);
		24
8213	bpr	25	/* common routine for the two if's. */
10	reyssat	26	static void _exec_if_while(char *p, int numerical, int isif)
		27	{
12245	bpr	28	if(compare(p,numerical,0)==0) _skip_contents(isif); /* skip if false */
		29	else if(!isif) m_file.for_idx++;
		30	return;
10	reyssat	31	}
		32
7379	bpr	33	/* 'if' non-numerical (unless comparisons are < or >, etc.) */
10	reyssat	34	void exec_if(char *p)
		35	{
12245	bpr	36	_exec_if_while(p,0,1);
10	reyssat	37	}
		38
8213	bpr	39	/* 'if' numerical. */
10	reyssat	40	void exec_ifval(char *p)
		41	{
12245	bpr	42	_exec_if_while(p,1,1);
10	reyssat	43	}
		44
		45	void _exec_while(char *p, int numerical)
		46	{
12245	bpr	47	FOR_STACK *stk;
		48	if(m_file.for_idx>=MAX_FOR_LEVEL) module_error("too_many_fors");
		49	stk=&(m_file.for_stack[m_file.for_idx]);
		50	stk->lineno=m_file.l;
		51	memmove(stk->varname,"?",2);
		52	_exec_if_while(p,numerical,0);
10	reyssat	53	}
		54
8213	bpr	55	/* 'while' non-numerical (unless comparisons are < or >, etc.) */
10	reyssat	56	void exec_while(char *p)
		57	{
12245	bpr	58	_exec_while(p,0);
10	reyssat	59	}
		60
8213	bpr	61	/* 'while' numerical. */
10	reyssat	62	void exec_whileval(char *p)
		63	{
12245	bpr	64	_exec_while(p,1);
10	reyssat	65	}
		66
		67	void exec_endwhile(char *p)
		68	{
12245	bpr	69	FOR_STACK *stk;
		70	if(m_file.for_idx<=0) module_error("next_without_for");
		71	stk=&(m_file.for_stack[m_file.for_idx-1]);
		72	if(stk->varname[0]!='?') module_error("next_without_for");
		73	m_file.for_idx--; *p=0;
		74	m_file.linepointer=stk->lineno;
		75	executed_gotos++;
		76	if(executed_gotos>=GOTO_LIMIT) module_error("too_many_gotos");
10	reyssat	77	}
		78
8213	bpr	79	/* Should provide a method to stop infinite loop. */
10	reyssat	80	void exec_goto(char *p)
		81	{
12245	bpr	82	char lbuf[MAX_NAMELEN+17];
		83	char label_start, line_start;
		84	int old_line;
		85	int i;
		86	executed_gotos++;
		87	if(executed_gotos>=GOTO_LIMIT) module_error("too_many_gotos");
		88	old_line=m_file.l;
		89	label_start=find_word_start(p);
		90	*find_word_end(label_start)=0;
		91	m_file.l=m_file.linepointer=0;
		92	for(i=0;i<m_file.linecnt;i++) {
		93	if(((m_file.lines[i].isstart)&4)==0) continue;
		94	line_start=find_word_start((m_file.lines[i]).address);
		95	if(line_start>(m_file.lines[i+1]).address && i<m_file.linecnt)
		96	continue;
		97	m_file.linepointer=i;
		98	wgetline(lbuf,MAX_NAMELEN+8,&m_file);
		99	line_start=find_word_start(lbuf);
		100	if(*line_start!=label_prefix_char) continue;
		101	line_start++;*find_word_end(line_start)=0;
		102	if(line_start[0]!='*' && strcmp(line_start,label_start)!=0) continue;
		103	*p=0; i++; return;
		104	}
		105	m_file.l=old_line;
		106	setvar(error_data_string,label_start); module_error("label_not_found");
		107	/* m_file.linepointer=m_file.linecnt; *p=0; return;
		108	*/
		109	}
10	reyssat	110
8213	bpr	111	/* 'else' with or without 'if'.
		112	* Philosophy: we implement a loosely checked grammar.
		113	* We cannot check 'if' grammar if we want to use 'goto'
		114	* together with 'if'.
		115	*/
10	reyssat	116	void exec_else(char *p)
		117	{
12245	bpr	118	_skip_contents(1); return;
10	reyssat	119	}
		120
8213	bpr	121	/* 'endif': nothing needs to be done here. */
10	reyssat	122	void exec_endif(char *p)
		123	{
12245	bpr	124	return;
10	reyssat	125	}
		126
8213	bpr	127	/* find out the end of a for loop */
10	reyssat	128	void goto_for_end(void)
		129	{
12245	bpr	130	int inner;
		131	char buf[16];
		132	inner=0;
		133	while(m_file.linepointer<m_file.linecnt) {
		134	if((m_file.lines[m_file.linepointer].isstart&2)==0) {
		135	m_file.linepointer++; continue;
		136	}
		137	if(wgetline(buf,8,&m_file)==EOF) break;
		138	*find_word_end(buf)=0;
		139	if(strcmp(buf,"!for")==0) {
		140	inner++; continue;
		141	}
		142	if(strcmp(buf,"!next")==0) {
		143	if(inner>0) {
		144	inner--; continue;
7379	bpr	145	}
12245	bpr	146	else break;
10	reyssat	147	}
12245	bpr	148	}
10	reyssat	149	}
		150
8213	bpr	151	/* for */
10	reyssat	152	void exec_for(char *p)
		153	{
12245	bpr	154	char p1, p2, *p3;
		155	double v1, v2, step;
		156	char buf[MAX_LINELEN+1];
		157	FOR_STACK *stk;
10	reyssat	158
12245	bpr	159	if(m_file.for_idx>=MAX_FOR_LEVEL) module_error("too_many_fors");
		160	stk=&(m_file.for_stack[m_file.for_idx]);
		161	stk->lineno=m_file.l;
		162	p1=find_word_start(p);
		163	for(p2=p1; !isspace(p2) && p2!=0 && *p2!='=' ; p2++);
		164	if(*p2==0) syntax: module_error("for_syntax");
		165	if(p2-p1>MAX_NAMELEN) module_error("name_too_long");
		166	memmove(stk->varname,p1,p2-p1);
		167	stk->varname[p2-p1]=0;
		168	p1=find_word_start(p2); if(*p1==0) goto syntax;
		169	if(*p1=='=') {
		170	p1++;
		171	assign:
		172	stk->from=0;
		173	p2=wordchr(p1,"to");
		174	if(p2==NULL) p2=strstr(p1,"..");
		175	if(p2==NULL) goto syntax;
		176	*p2=0; p2+=2;
		177	p3=wordchr(p2,"step");
		178	if(p3!=NULL) {
		179	*p3=0; p3+=strlen("step");
		180	step=evalue(p3);
		181	if(step==0) module_error("zero_step");
		182	}
		183	else step=1;
		184	v1=evalue(p1); v2=evalue(p2);
		185	float2str(v1,buf); setvar(stk->varname, buf);
		186	if((step>0 && v1>v2) \|\| (step<0 && v1<v2) ) { /* condition not met */
10	reyssat	187	loop_out:
7379	bpr	188	goto_for_end();
		189	}
12245	bpr	190	else {
		191	stk->varval=v1; stk->varend=v2; stk->step=step;
		192	stk->lineno=m_file.linepointer;
		193	m_file.for_idx++;
10	reyssat	194	}
12245	bpr	195	*p=0; return;
		196	}
		197	if(memcmp(p1,"from",strlen("from"))==0 && isspace(*(p1+strlen("from")))) {
		198	p1+=strlen("from"); goto assign;
		199	}
		200	if(memcmp(p1,"in",strlen("in"))==0 && isspace(*(p1+strlen("in")))) {
		201	stk->from=1; p1+=strlen("in");
		202	p1=find_word_start(p1); if(*p1==0) goto loop_out;
		203	p2=xmalloc(MAX_LINELEN+1);
		204	mystrncpy(p2,p1,MAX_LINELEN);
		205	substit(p2);
		206	strip_trailing_spaces(p2);
		207	if(*p2==0) goto loop_out;
		208	p1=strparchr(p2,','); stk->bufpt=p2;
		209	if(p1!=NULL) {
		210	*p1=0; stk->list_pt=find_word_start(p1+1);
10	reyssat	211	}
12245	bpr	212	else stk->list_pt=NULL;
		213	strip_trailing_spaces(p2); setvar(stk->varname,p2);
		214	stk->lineno=m_file.linepointer;
		215	m_file.for_idx++; *p=0; return;
		216	}
		217	goto syntax;
10	reyssat	218	}
		219
8213	bpr	220	/* break a for loop */
10	reyssat	221	void exec_break(char *p)
		222	{
12245	bpr	223	FOR_STACK *stk;
		224	if(m_file.for_idx>0) {
		225	stk=&(m_file.for_stack[m_file.for_idx-1]);
		226	if(stk->varname[0]=='?') _skip_contents(0);
		227	else goto_for_end();
		228	m_file.for_idx--;
		229	}
		230	*p=0; return;
10	reyssat	231	}
		232
8213	bpr	233	/* next */
10	reyssat	234	void exec_next(char *p)
		235	{
12245	bpr	236	double v1, v2, step;
		237	char p1, p2;
		238	char buf[MAX_LINELEN+1];
		239	FOR_STACK *stk;
		240	if(m_file.for_idx<=0) module_error("next_without_for");
		241	stk=&(m_file.for_stack[m_file.for_idx-1]);
		242	if(stk->varname[0]=='?') module_error("next_without_for");
		243	if(stk->from) { /* list style */
		244	if(stk->list_pt==NULL) {
		245	free(stk->bufpt);
		246	m_file.for_idx--;
		247	*p=0; return;
10	reyssat	248	}
12245	bpr	249	p1=strchr(stk->list_pt,',');
		250	if(p1!=NULL) {
		251	*p1=0; p2=find_word_start(p1+1);
10	reyssat	252	}
12245	bpr	253	else p2=NULL;
		254	strip_trailing_spaces(stk->list_pt);
		255	setvar(stk->varname,stk->list_pt);
		256	stk->list_pt=p2; goto loop_back;
		257	}
		258	v1=stk->varval; v2=stk->varend; step=stk->step;
		259	v1+=step; stk->varval=v1;
		260	float2str(v1,buf);
		261	setvar(stk->varname, buf);
		262	if((step>0 && v1<=v2) \|\| (step<0 && v1>=v2)) { /* loop */
		263	loop_back:
		264	m_file.linepointer=stk->lineno;
		265	executed_gotos++;
		266	if(executed_gotos>=GOTO_LIMIT) module_error("too_many_gotos");
		267	}
		268	else m_file.for_idx--;
		269	*p=0; return;
10	reyssat	270	}
		271
8213	bpr	272	/* Execution of a file in the module directory,
		273	* only for trusted modules.
		274	*/
10	reyssat	275	void exec_mexec(char *p)
		276	{
12245	bpr	277	direct_exec=1;
		278	calc_mexec(p);
		279	direct_exec=0;
10	reyssat	280	}
		281
8213	bpr	282	/* call shell. */
10	reyssat	283	void _exec_ex(char p, char arg0, char *arg1, int n)
		284	{
12245	bpr	285	char *abuf[8];
		286	char errorfname[MAX_FNAME+1];
10	reyssat	287
12245	bpr	288	if(robot_access) {
		289	*p=0; return;
		290	}
		291	if(!noout \|\| !trusted_module() \|\| is_class_module) {
		292	_calc_exec(p,arg0,arg1,n); if(outputing) output0(p);
		293	return;
		294	}
		295	mkfname(errorfname,"%s/exec.err",tmp_dir);
		296	abuf[0]=arg0; abuf[1]=arg1; abuf[n]=p; abuf[n+1]=NULL;
		297	wrapexec=1; exportall();
		298	execredirected(abuf[0],NULL,NULL,errorfname,abuf);
10	reyssat	299	}
		300
8213	bpr	301	/* call shell. */
10	reyssat	302	void exec_sh(char *p)
		303	{
12245	bpr	304	_exec_ex(p,"sh","-c",2);
10	reyssat	305	}
		306
8213	bpr	307	/* call perl. */
10	reyssat	308	void exec_perl(char *p)
		309	{
12245	bpr	310	_exec_ex(p,"perl","-e",2);
10	reyssat	311	}
		312
8213	bpr	313	/* file should not be cached */
10	reyssat	314	void exec_nocache(char *p)
		315	{ m_file.nocache\|=1; *p=0; }
		316
8214	bpr	317	/*
		318	* Read another file.
		319	* Read a file in order to perform tests.
		320	* Relevant global variables:
		321	* - m_file, a WORKING_FILE structure (should be restored to its original
		322	* value at the end of the procedure)
		323	* - untrust, an integer (should be restored to its original
		324	* value at the end of the procedure)
		325	* - outputing, an integer; its value is juste read.
		326	* - readnest, an integer, which is incremented during the function
		327	* and decremented when it finishes.
		328	* Relevant global variables used in subprograms:
		329	* - module_prefix, a const char * which will be preprended before
		330	* the filename, (see lines.c, label = openit).
		331	* Relevant wims_environment parameters:
		332	* - wims_read_parm (should be restored to its original
		333	* value at the end of the procedure)
		334	* - wims_trustfile: this parameter is only read.
		335	* Important procedures called by this one:
		336	* - phtml_put(char*, int)
		337	* - var_proc(char*, int)
		338	* - module_error(const char*)
		339	* @param p pointer to the filename, possibly followed by parameters
		340	*/
		341
10	reyssat	342	void exec_read(char *p)
		343	{
12245	bpr	344	WORKING_FILE save;
		345	char parmsave[MAX_LINELEN+1];
		346	char pp,ps;
		347	int t,cache;
7379	bpr	348
12245	bpr	349	strip_trailing_spaces(p);p=find_word_start(p);
		350	if(*p==0) return;
		351	pp=find_word_end(p); if(pp) pp++=0;
		352	pp=find_word_start(pp);
		353	ps=getvar("wims_read_parm"); if(ps==NULL) ps="";
		354	mystrncpy(parmsave,ps,sizeof(parmsave));
		355	setvar("wims_read_parm",pp);
		356	memmove(&save,&m_file,sizeof(WORKING_FILE));
		357	cache=1; if(p[0]=='.' && p[1]=='/') {p+=2; cache=0;}
		358	t=untrust;
		359	if(strncmp(p,"wimshome/",9)==0) {
		360	if((untrust&255)!=0 &&
7379	bpr	361	(m_file.name[0]=='/' \|\| strncmp(m_file.name,"wimshome/",9)==0))
12245	bpr	362	module_error("Illegal_file_access");
13691	bpr	363	untrust\|=0x200;
		364	}
12245	bpr	365	if((untrust&0x202)!=0) {
		366	pp=getvar("wims_trustfile");
		367	if(pp!=NULL && *pp!=0 && wordchr(pp,p)!=NULL)
		368	untrust&=0xfdfd;
		369	}
		370	readnest++; if(readnest>MAX_READNEST) module_error("too_many_nested_read");
		371	if(outputing) phtml_put(p,cache); else var_proc(p,cache);
		372	readnest--; untrust=t;
		373	memmove(&m_file,&save,sizeof(WORKING_FILE));
		374	if (trace_file){
		375	int i;
		376	putc('\n',trace_file);
		377	for(i=1; i<=2*trace_indent-2; i++) putc(' ',trace_file);
		378	fprintf(trace_file,"%s:",m_file.filepath); fflush(trace_file);
		379	}
		380	setvar("wims_read_parm",parmsave);
10	reyssat	381	}
		382
8213	bpr	383	/* read a variable processing file */
10	reyssat	384	void exec_readproc(char *p)
		385	{
12245	bpr	386	int o=outputing; outputing=0; exec_read(p); outputing=o;
10	reyssat	387	}
		388
		389	void exec_defread(char *p)
		390	{
12245	bpr	391	int t,o;
		392	secure_exec();
		393	t=untrust; untrust\|=0x400;
		394	o=outputing; outputing=0;
		395	exec_read(p); untrust=t; outputing=o;
10	reyssat	396	}
		397
8213	bpr	398	/* Change to another file (no return) */
10	reyssat	399	void exec_changeto(char *p)
		400	{
12245	bpr	401	m_file.linepointer=m_file.linecnt;
		402	exec_read(p);
10	reyssat	403	}
		404
		405	int header_executed=0, tail_executed=0;
		406
8213	bpr	407	/* internal routine: get other language versions */
10	reyssat	408	void other_langs(void)
		409	{
12245	bpr	410	int i,j,k;
		411	char p, lbuf[4], pbuf[MAX_FNAME+1], phtml;
		412	char namebuf[MAX_FNAME+1], listbuf[4*MAX_LANGUAGES];
		413	static int otherlangs_got=0;
10	reyssat	414
12245	bpr	415	if(otherlangs_got) return;
		416	mystrncpy(namebuf,module_prefix,sizeof(namebuf));
		417	listbuf[0]=0;j=strlen(namebuf)-3; p=listbuf;
		418	if(j>=2 && strcmp("light",namebuf+j-2)==0) {
		419	setvar("wims_light_module","yes");
		420	phtml=getvar("phtml");
		421	if(phtml==NULL \|\| *phtml==0) return;
		422	mystrncpy(pbuf,phtml,sizeof(pbuf));
		423	j=strlen(pbuf)-3;
		424	if(pbuf[j]!='.') return;
		425	j++; ovlstrcpy(lbuf,pbuf+j); pbuf[j]=0;
		426	j=strlen(namebuf);
		427	snprintf(namebuf+j,MAX_FNAME-j-10,"/pages/%s",pbuf);
		428	j=strlen(namebuf);
		429	for(i=k=0;i<available_lang_no;i++) {
		430	if(strcmp(lbuf,available_lang[i])==0) continue;
		431	mystrncpy(namebuf+j,available_lang[i],MAX_FNAME-j);
		432	if(ftest(namebuf)<0) continue;
		433	if(k>0) *p++=',';
		434	mystrncpy(p,available_lang[i],sizeof(listbuf)-4-(p-listbuf));
		435	p+=strlen(p);
		436	k++;
10	reyssat	437	}
12245	bpr	438	goto end;
		439	}
		440	if(j>0 && namebuf[j]=='.') {
		441	setvar("wims_light_module","");
		442	j++; ovlstrcpy(lbuf,namebuf+j); namebuf[j]=0;
		443	for(i=k=0;i<available_lang_no;i++) {
		444	if(strcmp(lbuf,available_lang[i])==0) continue;
		445	snprintf(namebuf+j,MAX_FNAME-j,"%s/main.phtml",
		446	available_lang[i]);
		447	if(ftest(namebuf)<0) continue;
		448	if(k>0) *p++=',';
		449	mystrncpy(p,available_lang[i],sizeof(listbuf)-4-(p-listbuf));
		450	p+=strlen(p);
		451	k++;
10	reyssat	452	}
12245	bpr	453	}
		454	end: setvar("wims_otherlangs",listbuf); otherlangs_got=1;
10	reyssat	455	}
		456
8213	bpr	457	/* Standardised reference to wims home */
10	reyssat	458	void exec_homeref(char *p)
		459	{
12245	bpr	460	char ref, user;
7379	bpr	461
12245	bpr	462	if(ismhelp \|\| tail_executed) return;
		463	setvar("wims_homeref_parm",p); *p=0;
		464	user=getvar("wims_user");
		465	if(user==NULL) user="";
		466	if(*user==0 \|\| robot_access) ref=home_referer;
		467	else {
		468	if(strcmp(user,"supervisor")==0) ref=home_referer_supervisor;
		469	else ref=home_referer_user;
		470	}
		471	if(user[0]==0 && !robot_access) other_langs();
		472	phtml_put_base(ref,0); tail_executed=1;
10	reyssat	473	}
		474
8213	bpr	475	/* Standardised header menu */
10	reyssat	476	void exec_headmenu(char *p)
		477	{
12245	bpr	478	char ref, user;
7379	bpr	479
12245	bpr	480	if(header_executed) return;
		481	setvar("wims_headmenu_parm",p); *p=0;
		482	user=getvar("wims_user");
		483	if(user==NULL) user="";
		484	if(*user==0 \|\| robot_access) ref=header_menu;
		485	else {
		486	if(strcmp(user,"supervisor")==0) ref=header_menu_supervisor;
		487	else ref=header_menu_user;
		488	}
		489	if(user[0]==0 && !robot_access) other_langs();
		490	phtml_put_base(ref,0); header_executed=1;
10	reyssat	491	}
		492
8213	bpr	493	/* uniformized title */
10	reyssat	494	void exec_title(char *p)
		495	{
12245	bpr	496	char *s;
		497	*p=0;
		498	if(!outputing) return;
		499	s=getvar("wims_title_title");
		500	if(s==NULL \|\| *s==0) {
		501	s=getvar("module_title");
		502	if(s==NULL \|\| *s==0) return;
		503	force_setvar("wims_title_title",s);
		504	}
		505	phtml_put_base(title_page,0);
10	reyssat	506	}
		507
8213	bpr	508	/* standardized html tail */
10	reyssat	509	void exec_tail(char *p)
		510	{
12245	bpr	511	if(!outputing \|\| tail_executed) {
		512	*p=0; return;
		513	}
		514	if(!ismhelp) exec_homeref(p);
		515	*p=0;
		516	_output_("</body></html>");
		517	tail_executed=1;
10	reyssat	518	}
		519
5925	bpr	520	void exec_formend(char *p)
		521	{
12245	bpr	522	_output_("\n</div></form>");
5925	bpr	523	}
		524
10	reyssat	525	void determine_font(char *l);
		526
11071	schaersvoo	527	/* see changelog wims_mathml for history */
13744	obado	528	void _headmathjax (char *p)
7379	bpr	529	{
12737	obado	530	_output_("\n<script>/<![CDATA[/\
9618	schaersvoo	531	function wims_mathml_zoom(id){\
		532	var math = document.getElementById(id);\
		533	if(math.getAttribute(\"mathsize\") == \"100%\"){\
10964	obado	534	math.setAttribute(\"mathsize\",\"200%\");}else{\
		535	math.setAttribute(\"mathsize\",\"100%\");};\
9618	schaersvoo	536	};\
14608	obado	537	window.addEventListener(\"load\", function() {\
13744	obado	538	var ua = navigator.userAgent.toLowerCase();\
		539	var gecko = ua.indexOf(\"gecko\") > -1 && ua.indexOf(\"khtml\") === -1 && ua.indexOf(\"trident\") === -1;\
		540	if(! gecko ){\
		541	var script = document.createElement(\"script\");\
		542	script.src = \"scripts/js/mathjax/MathJax.js?config=TeX-MML-AM_HTMLorMML\";\
		543	document.head.appendChild(script);\
		544	};\
		545	});/]]>/</script>\n");
12737	obado	546
		547	// Safari/MathJax bugfix : refresh display when document ready.
		548	_output_("\n<script>\
		549	reload_mathML=function(){var t=document.getElementsByClassName(\"wims_mathml\");Array.prototype.filter.call(t,function(t){var e=t.style.display;t.style.display=\"none\",t.style.opacity=\"0\",setTimeout(function(){t.style.display=e},1e3),setTimeout(function(){t.style.opacity=\"1\"},1100)})},document.onreadystatechange=function(){\"complete\"===document.readyState&&(/^((?!chrome\|android).)*safari/i.test(navigator.userAgent)&&reload_mathML())};\
		550	</script>");
7370	bpr	551	}
		552
8213	bpr	553	/* standardized header */
1050	bpr	554	void _header(char *p, int option)
10	reyssat	555	{
12245	bpr	556	char s1, s2, hbuf[MAX_LINELEN+1], ws="", ws2="", bo, ol;
		557	char wsbuf[MAX_LINELEN+1],wsbuf2[MAX_LINELEN+1];
		558	setvar("wims_header_parm",p); *p=0;
		559	if(!outputing \|\| header_executed) return;
		560	s1=getvar("wims_window");
		561	if(mode==mode_popup) {
		562	if(s1!=NULL && *s1!=0) {
		563	char p1, p2;
		564	int t1,t2/,t3,t4/;
		565	p1=find_word_start(s1);
		566	for(p2=p1; myisdigit(*p2); p2++);
		567	*p2=0; t1=atoi(p1); p1=p2+1;
		568	while(!myisdigit(p1) && p1) p1++;
		569	for(p2=p1; myisdigit(*p2); p2++);
		570	*p2=0; t2=atoi(p1); p1=p2+1;
7379	bpr	571	/* while(!myisdigit(p1) && p1) p1++;
		572	for(p2=p1; myisdigit(*p2); p2++);
		573	*p2=0; t3=atoi(p1); p1=p2+1;
		574	while(!myisdigit(p1) && p1) p1++;
		575	for(p2=p1; myisdigit(*p2); p2++);
		576	*p2=0; t4=atoi(p1); p1=p2+1;
		577	while(!myisdigit(p1) && p1) p1++;
		578	for(p2=p1; myisdigit(*p2); p2++);
		579	if(t3<5) t3=5; if(t4<20) t4=20;
12245	bpr	580	*/ snprintf(wsbuf,sizeof(wsbuf),
7379	bpr	581	"window.focus();window.resizeTo(%d,%d);",t1,t2); ws=wsbuf;
		582	/* snprintf(wsbuf,sizeof(wsbuf),
		583	"window.focus();window.resizeto(%d,%d);window.moveto(%d,%d);",
		584	t1,t2,t3,t4); ws=wsbuf;
12245	bpr	585	*/ }
		586	}
		587	else {
		588	if(s1!=NULL && strcmp(s1,"new")==0)
7379	bpr	589	ws="window.focus();window.resizeTo(800,640);window.moveTo(15,35);";
12245	bpr	590	}
		591	if(strstr(session_prefix,"_exam")!=NULL) {
7379	bpr	592	/* char buf[64]; */
12245	bpr	593	if(*ws==0) ws="window.focus();";
		594	else ws= "window.focus();window.moveTo(5,70);";
7379	bpr	595	/* snprintf(buf,sizeof(buf),"name.phtml.%s",lang);
		596	phtml_put_base(buf);
		597	phtml_put_base("jsclock.phtml"); */
12245	bpr	598	}
		599	s1=getvar("wims_html_header"); if(s1==NULL) s1="";
		600	determine_font(getvar("module_language"));
		601	s2=getvar("module_title"); if(s2!=NULL && *s2!=0) {
		602	mystrncpy(hbuf,s2,sizeof(hbuf)); calc_detag(hbuf);
		603	setvar("module_title2",hbuf);
		604	}
		605	mystrncpy(hbuf,s1,sizeof(hbuf)); substit(hbuf);
		606	s2=getvar("wims_htmlbody"); if(s2==NULL) s2="";
		607	bo=getvar("wims_html_bodyoption"); if(bo==NULL) bo="";
		608	ws2=getvar("wims_html_onload"); if(ws2==NULL) ws2="";
		609	snprintf(wsbuf2,sizeof(wsbuf2),"%s%s",ws,ws2);
		610	setvar("wims_html_onload",wsbuf2);
		611	if(wsbuf2[0]) ol=" onload="; else ol="";
13744	obado	612
		613	output("<!DOCTYPE html>\
		614	\n<html lang=\"%s\"><head>\n\
		615	<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, minimum-scale=1.0\"/>\n\
		616	%s\n", lang, hbuf);
		617
		618	_headmathjax(p);
		619
12245	bpr	620	if(ol[0]) {
13744	obado	621	output("</head>\n<body %s %s\"%s\" %s>", s2, ol, wsbuf2, bo);}
		622	else {
		623	output("</head>\n<body %s %s%s %s>", s2, ol, wsbuf2, bo);
12245	bpr	624	}
		625	exec_headmenu(p);
		626	if(option) exec_title(p);
		627	if(cmd_type==cmd_help) {
		628	char *s=getvar("special_parm");
		629	if(s==NULL) s="";
		630	m_file.linepointer=m_file.linecnt;
		631	if(strcmp(s,"about")==0) ovlstrcpy(hbuf,"about.phtml");
		632	else ovlstrcpy(hbuf,"help.phtml");
		633	exec_read(hbuf); exec_tail(p); /* param of exec_...() must be readable */
		634	return;
		635	}
		636	header_executed=1;
10	reyssat	637	}
		638
1050	bpr	639	void exec_header(char *p) { _header(p,1);}
		640	void exec_header1(char *p) { _header(p,0);}
		641
10	reyssat	642	char href_target[128];
		643	char jsbuf[512];
5729	bpr	644	#define jsstr " onclick=\"%s=window.open('','%s','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')\""
10	reyssat	645	int ref_mhelp=0;
		646	int follow_list[]={
12245	bpr	647	ro_session, ro_lang, ro_useropts, ro_module
10	reyssat	648	};
		649	#define follow_no (sizeof(follow_list)/sizeof(follow_list[0]))
		650
		651	void _httpfollow(char b1[], char *wn, int new)
		652	{
12245	bpr	653	int i;
		654	char p1, s, *ss, sb[MAX_LINELEN+1], qbuf[MAX_LINELEN+1];
10	reyssat	655
12245	bpr	656	sb[0]=0;
		657	for(i=0;i<follow_no;i++) {
		658	if(robot_access && follow_list[i]==ro_session) continue;
		659	if(!new && follow_list[i]!=ro_session
		660	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		661	continue;
		662	if(follow_list[i]==ro_module) {
		663	char *pp;
		664	if(new) continue;
		665	pp=strstr(b1,"cmd=");
		666	if(pp==NULL) continue;
		667	pp+=strlen("cmd=");
		668	if(memcmp(pp,"intro",strlen("intro"))==0 \|\|
		669	memcmp(pp,"new",strlen("new"))==0) continue;
		670	}
		671	s=getvar(ro_name[follow_list[i]]);
		672	ss=strstr(b1,ro_name[follow_list[i]]);
		673	if(s!=NULL && *s!=0 &&
		674	(ss==NULL \|\| (ss>b1 && *(ss-1)!='&')
		675	\|\| *(ss+strlen(ro_name[follow_list[i]]))!='=')) {
		676	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		677	char st[MAX_LINELEN+1];
		678	char *s1;
		679	s1=getvar("wims_session");
		680	if(s1==NULL) internal_error("exec_href() error.\n");
		681	if(ref_mhelp) {
		682	if(strstr(s1,"_mhelp")!=0)
		683	snprintf(st,sizeof(st),"%s",s1);
		684	else
		685	snprintf(st,sizeof(st),"%s_mhelp",s1);
		686	}
7379	bpr	687	else snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		688	s=st;
12245	bpr	689	}
		690	snprintf(sb+strlen(sb),MAX_LINELEN-strlen(sb),"%s=%s&",
7379	bpr	691	ro_name[follow_list[i]],s);
12245	bpr	692	if(ismhelp && follow_list[i]==ro_session &&
7379	bpr	693	strstr(sb,"_mhelp")==NULL)
12245	bpr	694	snprintf(sb+strlen(sb)-1,MAX_LINELEN-strlen(sb)+1,"_mhelp&");
7379	bpr	695	}
12245	bpr	696	}
		697	snprintf(qbuf,MAX_LINELEN,"%s%s%s",wn,sb,b1);
		698	/* cleaning up query string */
		699	for(p1=qbuf;*p1;p1++) {
		700	if(*p1=='"') string_modify(qbuf,p1,p1+1,"%22");
		701	if(p1=='&' && isalpha((p1+1))) {
		702	p1++; string_modify(qbuf,p1,p1,"+");
10	reyssat	703	}
12245	bpr	704	}
		705	mystrncpy(b1,qbuf,MAX_LINELEN);
10	reyssat	706	}
		707
8213	bpr	708	/* Restart with a new module, using http code 302. */
10	reyssat	709	void exec_restart(char *p)
		710	{
13887	obado	711	/* buf will contain all the url parameters*/
		712	/* buf2 will be the final URL */
12245	bpr	713	char buf[MAX_LINELEN+1], *rfn, buf2[MAX_LINELEN+1];
13887	obado	714	/* long int t; */
7379	bpr	715
12245	bpr	716	if(robot_access \|\| outputing \|\| !trusted_module() \|\| is_class_module) return;
13887	obado	717	/* accessfile(buf,"r","%s/restart.time",s2_prefix);
7379	bpr	718	t=atoi(buf); if(t==nowtime) return; / / possible looping */
12245	bpr	719	mystrncpy(buf,find_word_start(p),sizeof(buf));
		720	*find_word_end(buf)=0;
		721	_httpfollow(buf,"",0);
13887	obado	722	nph_header(302);
12245	bpr	723	rfn=strchr(ref_name,':');
		724	if(rfn==NULL) {
		725	usual: snprintf(buf2,sizeof(buf2),"%s?%s",ref_name,buf);
		726	}
		727	else {
		728	char *p;
		729	p=getvar("wims_protocol");
		730	if(p!=NULL && strcmp(p,"https")==0) {
		731	snprintf(buf2,sizeof(buf2),"https%s?%s",rfn,buf);
10	reyssat	732	}
12245	bpr	733	else goto usual;
		734	}
		735	printf("Location: %s\r\n\r\n\
11726	bpr	736	<!DOCTYPE html>\
10	reyssat	737	<html><body><a href=\"%s\">%s</a></body></html>",buf2,buf2,buf2);
12245	bpr	738	close_working_file(&m_file,0); write_logs();
		739	snprintf(buf,sizeof(buf),"%ld",(long)nowtime);
		740	/* accessfile(buf,"w","%s/restart.time",s2_prefix);*/
		741	delete_pid(); exit(0);
10	reyssat	742	}
		743
12245	bpr	744	/* extract target tag from parm string. */
10	reyssat	745	void href_find_target(char *p)
		746	{
12245	bpr	747	char pp, pe,buf1[MAX_LINELEN+1];
		748	href_target[0]=0; jsbuf[0]=0; ref_mhelp=0;
		749	for(pp=find_word_start(p);*pp!=0;pp=find_word_start(pe)) {
		750	pe=find_word_end(pp);
		751	if(strncasecmp(pp,"target=wims_",strlen("target=wims_"))!=0) continue;
		752	memmove(buf1,pp,pe-pp); buf1[pe-pp]=0; substit(buf1);
		753	if(strncasecmp(buf1,"target=wims_mhelp",strlen("target=wims_mhelp"))==0) {
		754	if(pe!=0) pe++=0;
		755	ovlstrcpy(href_target,"wims_help");
		756	ref_mhelp=1;
		757	}
		758	else {
		759	if(pe!=0) pe++=0;
		760	mystrncpy(href_target,buf1+strlen("target="),sizeof(href_target));
		761	}
		762	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
		763	ovlstrcpy(pp,pe);return;
		764	}
		765	pp=getvar("module_help");
		766	if(href_target[0]==0 && pp!=NULL && strcmp(pp,"popup")==0 &&
		767	(pe=strstr(p,"cmd=help"))!=NULL) {
		768	if(pe==p \|\| *(pe-1)=='&') {
		769	ovlstrcpy(href_target,"wims_help"); ref_mhelp=1;
7379	bpr	770	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
10	reyssat	771	}
12245	bpr	772	}
10	reyssat	773	}
		774
		775	void _href_getdef(char src[], char vname[], char buf[], int buflen)
		776	{
12245	bpr	777	char p1, p2, *p3;
		778	buf[0]=0;
		779	for(p1=strstr(src,vname); p1; p1=strstr(p2,vname)) {
		780	p2=p1+strlen(vname); if(*p2!='=') continue;
		781	if(p1>src && *(p1-1)!='&') continue;
		782	p2++; p3=strchr(p2,'&'); if(p3==NULL) p3=p2+strlen(p2);
		783	if(p3-p2>=buflen) return; /* too long */
		784	memmove(buf,p2, p3-p2); buf[p3-p2]=0; return;
		785	}
10	reyssat	786	}
		787
8213	bpr	788	/* Create href to wims requests. subst() is not done. */
10	reyssat	789	void exec_href(char *p)
		790	{
12245	bpr	791	char s, st[128], sti[128], stc[128], stt[128], p1, p2, p3, *wn="";
		792	char *U="<span class=\"disabled_link\">%s</span>";
		793	char b1[MAX_LINELEN+1], b2[MAX_LINELEN+1];
		794	int new=0;
		795	if(!outputing) return;
		796	href_find_target(p);
		797	p1=find_word_start(p);
		798	p2=find_word_end(p1); if(p2) (p2++)=0;
		799	mystrncpy(b1,p1,sizeof(b1));
		800	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		801	substit(b1); substit(b2);
		802	/* standard reference */
		803	if(*b2==0 && strchr(b1,'=')==NULL) {
		804	char b[MAX_LINELEN+1], *ll;
		805	p1=find_word_start(b1); *find_word_end(p1)=0;
		806	if(*p1==0 \|\| strlen(p1)>64) return;
		807	ll=getvar("module_language");
		808	if(ll==NULL \|\| ll==0 \|\| (ll+1)==0 \|\| *(ll+2)!=0) ll=lang;
		809	accessfile(b,"r","html/href.%s",ll);
		810	memmove(p1+1,p1,64); *p1='\n'; strcat(p1," ");
		811	p2=strstr(b,p1); if(p2==NULL) return;
		812	p1=find_word_start(p2+strlen(p1)); p2=find_word_end(p1);
		813	if(p2) (p2++)=0;
		814	p3=strchr(p2,'\n'); if(p3!=NULL) *p3=0;
10	reyssat	815	mystrncpy(b1,p1,sizeof(b1));
		816	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		817	substit(b1); substit(b2);
12245	bpr	818	}
7379	bpr	819	/* for robots: only references without defining cmd. */
12245	bpr	820	if(robot_access && strstr(b1,"cmd=")!=NULL &&
		821	strstr(b1,"module=adm/doc")==NULL) {
		822	_output_(b2); return;
		823	}
		824	if(robot_access && strstr(aliased_cgi,"yes")!=NULL) {
		825	char mbuf[256], lbuf[16];
		826	_href_getdef(b1,"module",mbuf,sizeof(mbuf));
		827	if(mbuf[0]==0) mystrncpy(mbuf,home_module,sizeof(mbuf));
		828	_href_getdef(b1,"lang",lbuf,sizeof(lbuf));
		829	if(strlen(lbuf)!=2) {mystrncpy(lbuf,lang,4);lbuf[2]=0;}
		830	if(strncmp(mbuf,"adm/doc",strlen("adm/doc"))==0) {
		831	char dbuf[256], bbuf[256];
		832	_href_getdef(b1,"doc",dbuf,sizeof(dbuf));
		833	_href_getdef(b1,"block",bbuf,sizeof(bbuf));
		834	if(!myisdigit(dbuf[0])) dbuf[0]=0;
		835	if(dbuf[0]!=0 && bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"main");
		836	if(dbuf[0]==0)
		837	output("<a href=\"%s%s_doc~.html\">%s</a>", ref_base,lbuf,b2);
		838	else
		839	output("<a href=\"%s%s_doc~%s~%s.html\">%s</a>",
		840	ref_base,lbuf,dbuf,bbuf,b2);
10	reyssat	841	}
12245	bpr	842	else {
		843	for(s=strchr(mbuf,'/'); s!=NULL; s=strchr(s+1,'/')) *s='~';
		844	output("<a href=\"%s%s_%s.html\">%s</a>", ref_base,lbuf,mbuf,b2);
		845	}
7379	bpr	846	return;
12245	bpr	847	}
		848	s=getvar("wims_ref_id");
		849	if(s!=NULL && s!=0 && !isspace(s)) {
		850	snprintf(sti,sizeof(sti)," id=\"%s\"",s);
		851	}
		852	else sti[0]=0;
7379	bpr	853
12245	bpr	854	s=getvar("wims_ref_class");
		855	if(s!=NULL && s!=0 && !isspace(s)) {
		856	snprintf(stc,sizeof(stc)," class=\"%s\"",s);
		857	}
		858	else stc[0]=0;
7379	bpr	859
12245	bpr	860	s=getvar("wims_ref_title");
		861	if(s!=NULL && s!=0 && !isspace(s)) {
		862	snprintf(stt,sizeof(stt)," title=\"%s\"",s);
		863	}
		864	else stt[0]=0;
7379	bpr	865
12245	bpr	866	s=getvar("wims_ref_target");
		867	if(href_target[0]!=0) s=href_target;
		868	if(s!=NULL && s!=0 && !isspace(s)) {
		869	snprintf(st,sizeof(st)," target=\"%s\"",s);
		870	if(strcmp(s,"_parent")!=0) {
		871	new=1; wn="wims_window=new&";
10	reyssat	872	}
12245	bpr	873	}
		874	else st[0]=0;
		875	_httpfollow(b1,wn,new);
		876	tohttpquery(b1);
		877	if(strstr(session_prefix,"_check")!=NULL) {
		878	if(*b2) output(U,b2);
		879	else _output_("<a id=\"0\"></a>");
		880	return;
		881	}
		882	if(jsbuf[0]==0 && st[0]==0 && strstr(session_prefix,"_exam")!=NULL) {
		883	p1=strstr(b1,"cmd=");
		884	if(p1!=NULL) {
		885	p1+=strlen("cmd=");
		886	if(strncmp(p1,"new",3)==0 \|\| strncmp(p1,"renew",5)==0 \|\|
		887	strncmp(p1,"intro",5)==0) {
		888	if(*b2) output(U,b2);
		889	else _output_("<a id=\"#\"></a>");
		890	return;
7379	bpr	891	}
10	reyssat	892	}
12245	bpr	893	}
		894	if(*b2)
		895	output("<a href=\"%s?%s\"%s%s %s %s %s>%s</a>",
		896	ref_name, b1, st, jsbuf,sti,stc,stt,b2);
		897	else
		898	output("<a href=\"%s?%s\"%s%s %s %s %s>",ref_name, b1, st, jsbuf,sti,stc,stt);
		899	setvar("wims_ref_id","");
		900	setvar("wims_ref_class","");
		901	setvar("wims_ref_title","");
10	reyssat	902	}
		903
8213	bpr	904	/* Create form refering to the page. */
10	reyssat	905	void exec_form(char *p)
		906	{
15130	obado	907	char s, p1, p2, a, m, opt, st[128], wn="", form_id;
		908	char abuf[128], idbuf[128];
12245	bpr	909	int i, new=0;
		910	if(!outputing) return;
		911	href_find_target(p);
		912	s=getvar("wims_ref_target");
		913	if(href_target[0]!=0) s=href_target;
		914	if(s!=NULL && s!=0 && !isspace(s)) {
		915	snprintf(st,sizeof(st)," target=\"%s\"",s);
		916	if(strcmp(s,"_parent")!=0) {
		917	new=1; wn="<input type=\"hidden\" name=\"wims_window\" value=\"yes\" />\n";
10	reyssat	918	}
12245	bpr	919	}
		920	else st[0]=0;
		921	a=getvar("wims_ref_anchor"); if(a==NULL) a="";
		922	opt=find_word_start(find_word_end(find_word_start(p)));
		923	m=getvar("wims_form_method");
		924	if(m!=NULL) {
		925	m=find_word_start(m);
		926	if(strncasecmp(m,"post",4)==0) m="post";
		927	else if(strncasecmp(m,"get",3)==0) m="get";
		928	else if(strncasecmp(m,"file",4)==0) {
		929	m="post\" enctype=\"multipart/form-data";
		930	snprintf(abuf,sizeof(abuf),"?form-data%ld%s",random(),a); a=abuf;
		931	force_setvar("wims_form_method","");
10	reyssat	932	}
		933	else m=default_form_method;
12245	bpr	934	}
		935	else m=default_form_method;
15130	obado	936
12245	bpr	937	if(strstr(session_prefix,"_check")!=NULL) {
		938	output("<form action=\"NON_EXISTING_PAGE\" onsubmit=\"window.close();\" %s>\n",
7379	bpr	939	opt);
12245	bpr	940	return;
		941	}
15130	obado	942
		943	form_id=getvar("wims_form_id");
		944	if(form_id==NULL \|\| form_id==0 \|\| isspace(form_id)){
		945	form_id="";
		946	} else {
		947	snprintf(idbuf,sizeof(idbuf),"id=\"%s\"",find_word_start(form_id));form_id=idbuf;
		948	}
		949	force_setvar("wims_form_id","");
		950
		951	output("<form action=\"%s%s\"%s method=\"%s\" %s %s>\n<div class='wims_form'>%s",ref_name,a,st,m,opt,form_id,wn);
12245	bpr	952	if(a!=abuf && a[0]) force_setvar("wims_ref_anchor","");
		953	for(i=0;i<follow_no;i++) {
		954	if(robot_access && follow_list[i]==ro_session) continue;
		955	if(!new && follow_list[i]!=ro_session
		956	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		957	continue;
		958	if(follow_list[i]==ro_module) continue;
		959	s=getvar(ro_name[follow_list[i]]);
		960	if(s!=NULL && *s!=0) {
		961	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		962	char st[MAX_LINELEN+1];
		963	char *s1;
		964	s1=getvar("wims_session");
		965	if(s1==NULL) internal_error("exec_form() error.\n");
		966	snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		967	s=st;
		968	}
		969	output("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
7379	bpr	970	ro_name[follow_list[i]],s);
10	reyssat	971	}
12245	bpr	972	}
		973	p1=find_word_start(p);p2=find_word_end(p1);
		974	if(p2>p1) {
		975	char buf[64];
		976	int i;
		977	i=p2-p1; if(i>60) i=60;
		978	memmove(buf,p1,i);buf[i]=0;
		979	for(i=0;i<CMD_NO && strcmp(buf,commands[i]);i++);
		980	if(i<CMD_NO) {
		981	output("<input type=\"hidden\" name=\"cmd\" value=\"%s\" />\n",buf);
		982	if(i!=cmd_intro && i!=cmd_new)
		983	output("<input type=\"hidden\" name=\"module\" value=\"%s\" />\n",
		984	getvar(ro_name[ro_module]));
		985	}
		986	}
10	reyssat	987	}
		988
8213	bpr	989	/* Creat link to trap robot access, an internal command
		990	* which should not be documented
		991	*/
10	reyssat	992	void exec_robottrap(char *p)
		993	{
12245	bpr	994	char buf[MAX_LINELEN+1];
		995	if(robot_access) return;
		996	ovlstrcpy(buf,"session=$wims_session.1&module=adm/trap");
		997	_output_("<!-- "); exec_href(buf);_output_("Robot trapper, do not click!</a> -->");
14734	obado	998	_output_("<div class='wimstrap hide'>");exec_href(buf); _output_("<span>Robot trapper, do not click!</span></a></div>");
10	reyssat	999	}
		1000
8213	bpr	1001	/* set definitions in a file. Trusted modules only. */
10	reyssat	1002	void exec_setdef(char *p)
		1003	{
12245	bpr	1004	char p1, pp;
		1005	char nbuf[MAX_LINELEN+1], fbuf[MAX_LINELEN+1], tbuf[MAX_LINELEN+1];
		1006	if(robot_access \|\| !trusted_module() \|\| is_class_module) return;
		1007	p1=wordchr(p,"in"); if(p1==NULL) module_error("syntax_error");
		1008	*p1=0; p1=find_word_start(p1+strlen("in"));
		1009	ovlstrcpy(nbuf,p);
		1010	mystrncpy(tbuf,p1,sizeof(tbuf));
		1011	substit(nbuf); substit(tbuf);
		1012	if(find_module_file(tbuf,fbuf,1)) return;
		1013	pp=find_word_start(nbuf); p1=find_word_start(fbuf); *find_word_end(p1)=0;
		1014	strip_trailing_spaces(pp);
		1015	setdef(p1,pp);
10	reyssat	1016	}
		1017
8213	bpr	1018	/* Set a variable. */
10	reyssat	1019	void exec_set(char *name)
		1020	{
12245	bpr	1021	char p, defn, *parm;
		1022	char tbuf2[MAX_LINELEN+1], namebuf[MAX_LINELEN+1];
		1023	int i;
10	reyssat	1024
12245	bpr	1025	p=strchr(name,'=');
		1026	if(p==NULL) return; /* warning or error! */
		1027	*p=0; defn=find_word_start(p+1);
		1028	*find_word_end(name)=0;
		1029	mystrncpy(namebuf,find_word_start(name),sizeof(namebuf));
		1030	/* we allow substit in names, to implement array */
		1031	substit(namebuf); *find_word_end(namebuf)=0;
		1032	if(*defn!=calc_prefix_char) {
		1033	/* substitute by default */
		1034	mystrncpy(tbuf2,defn,sizeof(tbuf2));
		1035	substit(tbuf2); setvar(namebuf,tbuf2); return;
		1036	}
		1037	/* called from !readdef */
		1038	if((untrust&4)!=0) module_error("not_trusted");
		1039	/* definition is a command */
		1040	parm=find_word_end(defn+1);
		1041	if( parm != 0 ) { parm=0; parm=find_word_start(parm+1); }
		1042	i=m_file.lines[m_file.l].varcode;
		1043	if(i<0) {
		1044	i=search_list(calc_routine,CALC_FN_NO,sizeof(calc_routine[0]),defn+1);
		1045	m_file.lines[m_file.l].varcode=i;
		1046	}
		1047	if(i<0) {
		1048	/* replace by warning? */
		1049	setvar(error_data_string,defn+1); module_error("bad_cmd");
		1050	return;
		1051	}
		1052	mystrncpy(tbuf2,parm,sizeof(tbuf2)); execnt++;
		1053	if(calc_routine[i].tag==0) substit(tbuf2);
		1054	tbuf2[sizeof(tbuf2)-1]=0; calc_routine[i].routine(tbuf2);
		1055	/* remove trailing new line */
		1056	tbuf2[sizeof(tbuf2)-1]=0;
		1057	if(tbuf2[strlen(tbuf2)-1]=='\n') tbuf2[strlen(tbuf2)-1]=0;
10	reyssat	1058	setvar(namebuf,tbuf2);
		1059	}
		1060
8213	bpr	1061	/* set but do not overwrite. */
10	reyssat	1062	void exec_default(char *p)
		1063	{
12245	bpr	1064	char start, end, c, *pp;
		1065	char namebuf[MAX_LINELEN+1];
		1066	start=find_word_start(p);
		1067	for(end=start;end!=0 && !isspace(end) && *end!='='; end++);
		1068	c=end; end=0;
		1069	if(end-start<=MAX_LINELEN-1) {
		1070	memmove(namebuf,start,end-start+1); substit(namebuf);
		1071	pp=getvar(namebuf);
		1072	if(pp!=NULL && *pp!=0) return;
		1073	}
		1074	*end=c; exec_set(p);
10	reyssat	1075	}
		1076
8213	bpr	1077	/* Does nothing; just a comment. */
10	reyssat	1078	void exec_comment(char *p)
		1079	{
12245	bpr	1080	return;
10	reyssat	1081	}
		1082
8213	bpr	1083	/* Exit the file under interpretation */
10	reyssat	1084	void exec_exit(char *p)
		1085	{
12245	bpr	1086	m_file.linepointer=m_file.linecnt;
		1087	return;
10	reyssat	1088	}
		1089
13438	obado	1090	/* output a file. Aliases:
7379	bpr	1091	* getfile, outfile, fileout */
10	reyssat	1092	void exec_getfile(char *p)
		1093	{
14941	bpr	1094	char s, sti[128], stc[128], stt[128], sgf[128], p1, url[MAX_LINELEN+1];
12245	bpr	1095	char *prompt;
7379	bpr	1096
12245	bpr	1097	p=find_word_start(p); prompt=find_word_end(p);
		1098	if(prompt!=0) prompt++=0;
		1099	prompt=find_word_start(prompt);
		1100	if(*p==0 \|\| !outputing) return;
		1101	if(!trusted_module() \|\| is_class_module) return;
		1102	s=getvar(ro_name[ro_session]);
		1103	if(s==NULL \|\| *s==0 \|\| strstr(s,"robot")!=NULL) return;
		1104	mystrncpy(url,ref_name,sizeof(url));
		1105	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1106	if(good_httpd) snprintf(p1,sizeof(url)+p1-url,
		1107	"getfile/%s?&+session=%s&+modif=%ld",
		1108	p,s,(long)nowtime);
		1109	else snprintf(url,sizeof(url),
		1110	"%s?cmd=getfile&+session=%s&+special_parm=%s&+modif=%ld",
8895	bpr	1111	ref_name,s,p,(long)nowtime);
12245	bpr	1112	snprintf(jsbuf,sizeof(jsbuf),jsstr,"wims_file","wims_file");
13438	obado	1113
		1114	s=getvar("wims_ref_id");
		1115	if(s!=NULL && s!=0 && !isspace(s)) {
		1116	snprintf(sti,sizeof(sti)," id=\"%s\"",s);
		1117	}
		1118	else sti[0]=0;
		1119
		1120	s=getvar("wims_ref_class");
		1121	if(s!=NULL && s!=0 && !isspace(s)) {
		1122	snprintf(stc,sizeof(stc)," class=\"%s\"",s);
		1123	}
		1124	else stc[0]=0;
		1125
		1126	s=getvar("wims_ref_title");
		1127	if(s!=NULL && s!=0 && !isspace(s)) {
		1128	snprintf(stt,sizeof(stt)," title=\"%s\"",s);
		1129	}
		1130	else stt[0]=0;
		1131
14941	bpr	1132	s=getvar("wims_getfile_fname");
		1133	if(s!=NULL && s!=0 && !isspace(s)) {
		1134	snprintf(sgf,sizeof(sgf)," download=\"%s\"",s);
		1135	}
		1136	else sgf[0]=0;
		1137
		1138	if(*prompt) output("<a href=\"%s\" %s %s %s %s>%s</a>\n", url,sti,stc,stt,sgf,prompt);
13438	obado	1139	else output("<a href=\"%s\" %s %s %s></a>",url,sti,stc,stt);
		1140
		1141	setvar("wims_ref_id","");
		1142	setvar("wims_ref_class","");
		1143	setvar("wims_ref_title","");
14941	bpr	1144	setvar("wims_getfile_fname","");
10	reyssat	1145	}
		1146
8213	bpr	1147	/* internal */
10	reyssat	1148	void count_insert(void)
		1149	{
12245	bpr	1150	insert_no++;
		1151	if(insert_no>=INS_LIMIT) module_error("too_many_ins");
10	reyssat	1152	}
		1153
		1154	int animated_ins=0;
		1155	int grouped_ins=0;
		1156
8185	bpr	1157	/* generic insertion */
10	reyssat	1158	void _exec_ins(char p, char script_name,char *format)
		1159	{
12245	bpr	1160	char s, b, at, tag, tag2, al, fmt, mh;
		1161	char p1, pt;
		1162	char buf[1024],buf2[1024],url[MAX_LINELEN+1],altbuf[1024];
		1163	char outbuf[1024];
		1164	int border, middle, vspace;
		1165	long int tel;
10	reyssat	1166
12245	bpr	1167	if(robot_access) return;
		1168	count_insert(); outbuf[0]=0;
		1169	setenv("ins_source",p,1); /* value kept from user tamper */
		1170	if(animated_ins) fmt=getvar("anim_format"); else fmt=format;
		1171	if(fmt==NULL) fmt="gif";
		1172	if(ismhelp) mh="mh"; else mh="";
		1173	snprintf(buf,sizeof(buf),"%s/insert%s-%d.%s",s2_prefix,mh,insert_no,fmt);
		1174	if(grouped_ins) {unlink(buf); goto grouped;}
		1175	exportall();
		1176	call_ssh("%s/%s %d %s >%s/ins.out 2>%s/ins.err",
		1177	bin_dir,script_name,insert_no,tmp_dir,tmp_dir,tmp_dir);
		1178	unlink(buf); wrapexec=1;
		1179	if(trusted_module()) setenv("trusted_module","yes",1);
		1180	else if(untrust) setenv("trusted_module","no",1);
		1181	call_ssh("mv %s/insert%s-%d.%s %s >/dev/null 2>/dev/null",
		1182	tmp_dir,mh,insert_no,fmt,s2_prefix);
		1183	tel=filelength("%s", buf);
		1184	if(tel<=5) {
		1185	char bbuf[MAX_LINELEN+1];
		1186	accessfile(bbuf,"r","%s/ins.err",tmp_dir);
		1187	snprintf(url,sizeof(url),"gifs/badins.gif");
		1188	for(p1=bbuf;p1<bbuf+512 && *p1;p1++)
7379	bpr	1189	if(p1=='<' \|\| p1=='>') *p1='?';
13691	bpr	1190	*p1=0;
		1191	if(bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"Fail");
		1192	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1193	" <img src=\"%s\" alt=\"Error\" /> <small><pre>%s</pre></small> <br /> ",
		1194	url,bbuf);
		1195	setvar("ins_warn","fail");
		1196	setvar("ins_cnt","0");
		1197	goto reset;
12245	bpr	1198	}
		1199	grouped:
		1200	s=getvar(ro_name[ro_session]);
		1201	b=getvar("ins_border"); at=getvar("ins_attr");
		1202	tag=getvar("ins_tag"); al=getvar("ins_align");
		1203	if(at==NULL) at="";
		1204	if(tag==NULL) tag="";
		1205	if(al==NULL) al="";
		1206	al=find_word_start(al);
		1207	if(*al!=0) snprintf(buf2,sizeof(buf2),"vertical-align:%s",al); else buf2[0]=0;
		1208	if(strcasecmp(al,"middle")==0) middle=1; else middle=0;
		1209	tag2=""; vspace=0;
		1210	if(*tag!=0) {
		1211	mystrncpy(buf,tag,sizeof(buf)); tag=find_word_start(buf);
		1212	tag2=find_word_end(tag);
		1213	if(tag2!=0) tag2++=0;
		1214	tag2=find_word_start(tag2);
		1215	}
		1216	if(b==NULL \|\| *b==0) border=0;
		1217	else border=atoi(b);
		1218	if(border<0) border=0;
		1219	if(border>100) border=100;
		1220	if(middle) {
		1221	snprintf(outbuf+strlen(outbuf),
		1222	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup1);
		1223	vspace=2;
		1224	}
		1225	mystrncpy(url,ref_name,sizeof(url));
		1226	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1227	snprintf(p1,sizeof(url)+p1-url,
7379	bpr	1228	"wims.%s?cmd=getins&+session=%s&+special_parm=insert%s-%d.%s&+modif=%ld",
8895	bpr	1229	fmt,s,mh,insert_no,fmt,(long)nowtime);
12245	bpr	1230	if(strchr(ins_alt,'"')!=NULL \|\| strlen(ins_alt)>256) ins_alt[0]=0;
		1231	pt=getvar("wims_ins_alt"); if(pt==NULL) pt="";
12526	bpr	1232	if(strcmp(pt,"empty")==0) altbuf[0]=0;
		1233	else
		1234	if(ins_alt[0] && strcmp(pt,"none")!=0)
		1235	snprintf(altbuf,sizeof(altbuf)," alt=\"\"");
		1236	else
		1237	snprintf(altbuf,sizeof(altbuf)," alt=\"%s\"",ins_alt);
12245	bpr	1238	if(strcasecmp(tag,"form")!=0) {
		1239	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1240	"<img src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1241	url, border, vspace, buf2, at, altbuf);
		1242	}
		1243	else {
		1244	char n, nend;
6168	bpr	1245	/* fix: add quotes at name=" " */
12245	bpr	1246	if(*tag2!=0) {n="name=\"" ; nend="\"";} else {n=""; nend="";}
		1247	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1248	"<input type=\"image\" %s%s%s src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1249	n,tag2,nend,url,border,vspace,buf2,at,altbuf);
		1250	}
		1251	if(middle) snprintf(outbuf+strlen(outbuf),
		1252	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup2);
		1253	setvar("ins_warn",""); ins_alt[0]=0;
		1254	setvar("ins_cnt",int2str(insert_no));
		1255	reset:
		1256	if(outputing) _output_(outbuf);
		1257	setvar("ins_out",outbuf);
		1258	setvar("ins_attr",""); setvar("ins_tag","");
		1259	setvar("ins_url",url);
		1260	snprintf(buf2,sizeof(buf2),"insert%s-%d.%s",mh,insert_no,fmt);
		1261	setvar("ins_filename",buf2);
		1262	animated_ins=0;
10	reyssat	1263	}
		1264
8155	bpr	1265	/* instex: dynamically insert tex outputs */
10	reyssat	1266	void exec_instex(char *p)
		1267	{
12245	bpr	1268	char ts, tc, f, mh, buf[MAX_FNAME+1];
7379	bpr	1269
12245	bpr	1270	if(robot_access) {
		1271	*p=0; return;
		1272	}
		1273	f=instex_check_static(p); substit(p);
		1274	if(f==NULL) {
8155	bpr	1275	/* Use static instex if there is no real substitution
		1276	* and the source file is not in sessions directory.
		1277	*/
12245	bpr	1278	calc_instexst(p); if(outputing) _output_(p);
		1279	return;
		1280	}
		1281	if(ismhelp) mh="mh"; else mh="";
		1282	fix_tex_size(); f="gif";
		1283	setenv("texgif_style",instex_style,1);
		1284	tc=getvar("instex_texheader"); if (tc) { setenv("texgif_texheader",tc,1);}
		1285	setenv("texgif_tmpdir",tmp_dir,1);
		1286	setenv("texgif_src",p,1);
		1287	if(ins_alt[0]==0) mystrncpy(ins_alt,p,sizeof(ins_alt));
		1288	mkfname(buf,"%s/insert%s-%d.gif",tmp_dir,mh,insert_no+1);
		1289	setenv("texgif_outfile",buf,1);
		1290	ts=getvar("wims_texsize"); tc=getvar("instex_color");
		1291	if(lastout_file!=-1 && (tc==NULL \|\| *tc==0) &&
		1292	(ts==NULL \|\| *ts==0 \|\| strcmp(ts,"0")==0) &&
		1293	strstr(p,"\\begin{")==NULL) {
		1294	int ls, ln;
		1295	char *pagebreak;
		1296	ls=strlen(instex_src); ln=strlen(instex_fname);
		1297	if(ls+strlen(p)>=MAX_LINELEN-256 \|\|
		1298	ln+strlen(buf)>=MAX_LINELEN-16) {
		1299	instex_flush(); ls=ln=0;
10	reyssat	1300	}
12245	bpr	1301	if(instex_cnt>0) pagebreak="\\pagebreak\n"; else pagebreak="";
		1302	snprintf(instex_src+ls,MAX_LINELEN-ls,"%s %s %s %s\n",
7379	bpr	1303	pagebreak,instex_style,p,instex_style);
12245	bpr	1304	snprintf(instex_fname+ln,MAX_LINELEN-ln,"%s\n",buf);
7379	bpr	1305	grouped_ins=1;
12245	bpr	1306	}
		1307	mkfname(buf,"%s/texgif.dvi",tmp_dir); unlink(buf);
		1308	wrapexec=0; _exec_ins(p,instex_processor,f);
		1309	if(grouped_ins) instex_cnt++;
		1310	grouped_ins=0;
10	reyssat	1311	}
		1312
8152	bpr	1313	/* patches the gnuplot integer division (mis)feature. */
10	reyssat	1314	void gnuplot_patch(char *p,int oneline)
		1315	{
12245	bpr	1316	char *pp;
		1317	for(pp=strchr(p,'/');pp!=NULL;pp=strchr(pp+1,'/')) {
		1318	char *p1;
		1319	if(pp<=p \|\| !myisdigit((pp-1)) \|\| !myisdigit((pp+1))) continue;
		1320	for(p1=pp-2;p1>=p && myisdigit(*p1);p1--);
		1321	if(p1>=p && *p1=='.') continue;
		1322	for(p1=pp+2;p1 && myisdigit(p1);p1++);
		1323	if(*p1=='.') continue;
		1324	string_modify(p,p1,p1,".0");
		1325	}
		1326	for(pp=strchr(p,'^');pp!=NULL;pp=strchr(pp+1,'^'))
		1327	string_modify(p,pp,pp+1,"**");
8155	bpr	1328	/* disallow new lines and ';' */
12245	bpr	1329	if(oneline)
		1330	for(pp=p;pp!=0;pp++) if(pp==';' \|\| pp=='\n') pp=' ';
10	reyssat	1331	}
		1332
8152	bpr	1333	/* This is to disable pipe in the gnuplot plotting function.
		1334	* We do not allow ' followed by < .
		1335	*/
10	reyssat	1336	void prepare_insplot_parm(char *p)
		1337	{
12245	bpr	1338	int i,j,multanim; char pp, s;
		1339	double d;
		1340	char setbuf[MAX_LINELEN+10],buf[MAX_LINELEN+1];
7379	bpr	1341
12245	bpr	1342	j=strlen(p);
8155	bpr	1343	/* pipe in plot command */
12245	bpr	1344	for(i=0;i<j;i++) {
		1345	if((p+i)!='\'' && (p+i)!='"') continue;
		1346	pp=find_word_start(p+i+1); if(*pp=='<') module_error("illegal_plot_cmd");
		1347	}
		1348	gnuplot_patch(p,1);
8155	bpr	1349	/* multiplot */
12245	bpr	1350	multanim=0;
		1351	pp=getvar("insplot_split");
		1352	if(pp!=NULL) i=linenum(pp); else i=0;
8155	bpr	1353	/* arbitrary limit: 16 multiplots */
12245	bpr	1354	if(i>16) i=16;
		1355	if(i>1) {
		1356	char tbuf[MAX_LINELEN*(i+1)+100], bbuf[MAX_LINELEN+1];
		1357	tbuf[0]=0;
		1358	if(*p!=0) snprintf(tbuf,sizeof(tbuf),"%s\n",p);
		1359	snprintf(buf,sizeof(buf),"%d",i); setenv("multiplot",buf,1);
		1360	for(j=1;j<=i;j++) {
		1361	snprintf(buf,sizeof(buf),"insplot_parm_%d",j);
		1362	pp=getvar(buf);
		1363	if(pp==NULL \|\| *pp==0) {
		1364	if(j==1 && *p!=0) continue;
		1365	pp="";
		1366	}
		1367	else {
		1368	mystrncpy(bbuf,pp,sizeof(bbuf));
		1369	gnuplot_patch(bbuf,1);
		1370	}
		1371	strcat(tbuf,bbuf);strcat(tbuf,"\n");
		1372	}
7379	bpr	1373	setenv("insplot_source",tbuf,1);
		1374	if(varchr(tbuf,"s")!=NULL) multanim=1;
12245	bpr	1375	}
8155	bpr	1376	/* no illegal chaining */
12245	bpr	1377	pp=getvar("insplot_font"); if(pp!=NULL) {
		1378	for(s=pp;s<pp+MAX_LINELEN && *s;s++)
		1379	if(s==';' \|\| s=='\n' \|\| s==' ') s=0;
		1380	if(s>=pp+MAX_LINELEN) *s=0;
		1381	setvar("insplot_font",pp);
		1382	}
		1383	pp=getvar("insplot_set");
		1384	if(pp!=NULL) {
		1385	char tbuf[MAX_LINELEN+1];
		1386	mystrncpy(tbuf,pp,sizeof(tbuf));
		1387	i=strlen(tbuf)-1;
		1388	while(i>0 && isspace(tbuf[i])) i--;
		1389	if(tbuf[i]==';') tbuf[i]=0;
		1390	gnuplot_patch(tbuf,0);pp=tbuf;
		1391	ovlstrcpy(setbuf,"set "); j=strlen("set ");
		1392	for(i=0; *(pp+i)!=0 && j<MAX_LINELEN; i++) {
		1393	if(*(pp+i)=='\n') {setbuf[j++]=' '; continue;}
		1394	if((pp+i)!=';') {setbuf[j++]=(pp+i); continue;}
		1395	ovlstrcpy(setbuf+j,"\nset "); j+=strlen("\nset ");
10	reyssat	1396	}
12245	bpr	1397	setbuf[j]=0;
		1398	setenv("insplot_set",setbuf,1);
		1399	}
		1400	else setenv("insplot_set","",1);
8155	bpr	1401	/* frames of animation */
12245	bpr	1402	pp=getvar("ins_anim_frames");
		1403	if(pp!=NULL) i=evalue(pp); else i=1;
		1404	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1;
		1405	if(i<1) i=1;
		1406	if(strstr(setbuf,"step")==NULL && strstr(p,"step")==NULL
		1407	&& varchr(setbuf,"s")==NULL && varchr(p,"s")==NULL && !multanim) i=1;
		1408	setenv("ins_anim_frames",int2str(i),1);
		1409	setvar("ins_anim_frames","");
		1410	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1411	else setvar("ins_animation","no");
8155	bpr	1412	/* delay of animation */
12245	bpr	1413	pp=getvar("ins_anim_delay");
		1414	if(pp!=NULL) d=evalue(pp); else d=0;
		1415	if(d>=10) d=10;
		1416	if(d<0) d=0;
		1417	setenv("ins_anim_delay",int2str(d*100),1);
10	reyssat	1418	}
		1419
8152	bpr	1420	/* Insert dynamic 2d plot */
10	reyssat	1421	void exec_insplot(char *p)
		1422	{
12245	bpr	1423	char *fmt;
		1424	if(robot_access) {
		1425	*p=0; return;
		1426	}
		1427	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1428	prepare_insplot_parm(p); setenv("insplot_method","2D",1);
		1429	_exec_ins(p,insplot_processor,fmt);
		1430	wrapexec=1;
10	reyssat	1431	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
12245	bpr	1432	unsetenv("multiplot"); setvar("insplot_split","");
10	reyssat	1433	}
		1434
8213	bpr	1435	/* Insert dynamic 3d plot */
10	reyssat	1436	void exec_insplot3d(char *p)
		1437	{
12245	bpr	1438	char *fmt;
		1439	if(robot_access) {
		1440	*p=0; return;
		1441	}
		1442	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1443	prepare_insplot_parm(p); setenv("insplot_method","3D",1);
		1444	_exec_ins(p,insplot_processor,fmt);
		1445	wrapexec=1;
10	reyssat	1446	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
12245	bpr	1447	unsetenv("multiplot");setvar("insplot_split","");
10	reyssat	1448	}
		1449
8155	bpr	1450	/* Insert dynamic gif draw. The parm preparation is specific to fly. */
10	reyssat	1451	void exec_insdraw(char *p)
		1452	{
12245	bpr	1453	char pp, fmt;
		1454	int i;
		1455	double d;
7379	bpr	1456
12245	bpr	1457	if(robot_access) {
		1458	*p=0; return;
		1459	}
7370	bpr	1460	/* calc_tolower(p);*/
12245	bpr	1461	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1462	while((pp=wordchr(p,"output"))!=NULL) memmove(pp,"zqkwfx",6);
8155	bpr	1463	/* frames of animation */
12245	bpr	1464	pp=getvar("ins_anim_frames");
		1465	if(pp!=NULL) i=evalue(pp); else i=1;
		1466	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1;
		1467	if(i<1) i=1;
		1468	if(i>1 && varchr(p,"s")==NULL && varchr(p,"animstep")==NULL
		1469	&& varchr(p,"step")==NULL) i=1;
		1470	setenv("ins_anim_frames",int2str(i),1);
		1471	setvar("ins_anim_frames","");
		1472	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1473	else setvar("ins_animation","no");
8155	bpr	1474	/* delay of animation */
12245	bpr	1475	pp=getvar("ins_anim_delay");
		1476	if(pp!=NULL) d=evalue(pp); else d=0;
		1477	if(d>=10) d=10;
		1478	if(d<0) d=0;
		1479	setenv("ins_anim_delay",int2str(d*100),1);
		1480	pp=getvar("insdraw_filebase");
		1481	if(pp!=NULL && strstr(pp,parent_dir_string)!=NULL)
		1482	setvar("insdraw_filebase","");
		1483	_exec_ins(p,insdraw_processor,fmt);
10	reyssat	1484	}
		1485
		1486	void exec_increase(char *p)
		1487	{
12245	bpr	1488	char p1, p2;
		1489	p1=find_word_start(p); p2=find_word_end(p1);
		1490	if(p2<=p1) {
		1491	*p=0; return;
		1492	}
		1493	*p2=0;p2=getvar(p1);
		1494	if(p2==NULL) p2="";
		1495	setvar(p1,int2str(atoi(p2)+1)); *p=0;
10	reyssat	1496	}
		1497
8957	bpr	1498	void exec_setseed(char *p)
12245	bpr	1499	{
		1500	char buf[64];
		1501	snprintf(buf,sizeof(buf),"%s",p);
		1502	force_setvar("wims_seed",buf);
		1503	double d=evalue(p);
		1504	srandom(d); *p=0;
8957	bpr	1505	}
		1506
7370	bpr	1507	/* bound a variable */
10	reyssat	1508	void exec_bound(char *p)
		1509	{
12245	bpr	1510	char p1, p2, *p3;
		1511	int doub,i,bcnt,defaulted;
		1512	double d1,d2,dd,val;
		1513	char nbuf[MAX_LINELEN+1],lbuf[MAX_LINELEN+1],dbuf[MAX_LINELEN+1];
		1514	char vbuf[MAX_LINELEN+1];
		1515	char *blist[2048];
7379	bpr	1516
12245	bpr	1517	p1=find_word_start(p); p2=find_word_end(p1);
		1518	if(*p2==0) {
		1519	syntax: module_error("syntax_error");
		1520	}
		1521	*p2=0; ovlstrcpy(nbuf,p1);substit(nbuf); p1=find_word_start(p2+1);
		1522	p2=getvar(nbuf);if(p2==NULL) p2="";
		1523	mystrncpy(vbuf,find_word_start(p2),sizeof(vbuf));
		1524	strip_trailing_spaces(vbuf);
		1525	p2=find_word_end(p1); if(*p2==0) goto syntax;
		1526	*p2=0;p2++;
		1527	p3=wordchr(p2,"default");
		1528	if(p3!=NULL) {
		1529	*p3=0; defaulted=1;
		1530	p3=find_word_start(p3+strlen("default"));
		1531	ovlstrcpy(dbuf,p3); substit(dbuf);
		1532	}
		1533	else defaulted=0;
		1534	if(strcmp(p1,"between")==0) {
		1535	p1=find_word_start(p2);
		1536	i=strlen("integer");
		1537	if(strncmp(p1,"integer",i)==0 &&
		1538	(isspace((p1+i)) \|\| ((p1+i)=='s' && isspace(*(p1+i+1))))) {
		1539	doub=0; p1=find_word_start(find_word_end(p1));
		1540	val=rint(evalue(vbuf));
		1541	if(vbuf[0]) float2str(val,vbuf);
10	reyssat	1542	}
12245	bpr	1543	else {
		1544	doub=1;val=evalue(vbuf);
10	reyssat	1545	}
12245	bpr	1546	p2=wordchr(p1,"and"); p3=p2+strlen("and");
		1547	if(p2==NULL) {
		1548	p2=strchr(p1,','); p3=p2+1;
		1549	}
		1550	if(p2==NULL) goto syntax;
		1551	*p2=0;p2=find_word_start(p3);
		1552	if(p1==0 \|\| p2==0) goto syntax;
		1553	d1=evalue(p1);d2=evalue(p2);
		1554	if(!isfinite(d1) \|\| !isfinite(d2) \|\|
		1555	fabs(d1)>(double)(1E10) \|\| fabs(d2)>(double)(1E10)) goto syntax;
		1556	if(d1>d2) {
		1557	dd=d1;d1=d2;d2=dd;
		1558	}
		1559	if(vbuf[0] && val<=d2 && val>=d1) {
		1560	if(!doub) setvar(nbuf,vbuf);
		1561	*p=0; return;
		1562	}
		1563	if(defaulted) ovlstrcpy(p,dbuf);
		1564	else {
7379	bpr	1565	if(!doub) {
12245	bpr	1566	d1=ceil(d1);d2=floor(d2);
7379	bpr	1567	}
		1568	if(vbuf[0]==0 \|\| val<d1) val=d1;
		1569	else val=d2;
		1570	float2str(val,p);
10	reyssat	1571	}
12245	bpr	1572	setvar(nbuf,p); *p=0; return;
		1573	}
		1574	else {
7379	bpr	1575	if(strcmp(p1,"within")==0 \|\| strcmp(p1,"among")==0) {
12245	bpr	1576	ovlstrcpy(lbuf,p2);substit(lbuf);
		1577	bcnt=cutitems(lbuf,blist,2048);
		1578	if(bcnt<=0) {
		1579	*p=0; return;
		1580	}
		1581	for(i=0;i<bcnt;i++) {
		1582	if(strcmp(blist[i],vbuf)==0) {
7379	bpr	1583	*p=0; return;
		1584	}
12245	bpr	1585	}
		1586	if(defaulted) ovlstrcpy(p,dbuf); else ovlstrcpy(p,blist[0]);
		1587	setvar(nbuf,p); *p=0;
		1588	return;
10	reyssat	1589	}
12245	bpr	1590	else goto syntax;
		1591	}
10	reyssat	1592	}
		1593
8155	bpr	1594	/* detrust the module. */
10	reyssat	1595	void exec_detrust(char *p)
12245	bpr	1596	{
		1597	untrust\|=1; *p=0;
		1598	}
10	reyssat	1599
		1600	void exec_warn(char *p)
		1601	{
12245	bpr	1602	char p1,p2;
		1603	char buf[MAX_FNAME+1];
		1604	WORKING_FILE save;
10	reyssat	1605
12245	bpr	1606	if(!outputing) goto end;
		1607	p1=find_word_start(p);p2=find_word_end(p1);
		1608	if(p2<=p1) goto end;
		1609	*p2=0;
		1610	snprintf(buf,sizeof(buf),"wims_warn_%s",p1);
		1611	p2=getvar(buf);
		1612	if(p2==NULL \|\| *p2==0) goto end;
		1613	p2=getvar("module_language");if(p2==NULL) p2="en";
		1614	mkfname(buf,"msg/warn_%s.phtml.%s",p1,p2);
		1615	memmove(&save,&m_file,sizeof(WORKING_FILE));
		1616	if(open_working_file(&m_file,buf)==0) phtml_put(NULL,0);
		1617	memmove(&m_file,&save,sizeof(WORKING_FILE));
		1618	end:
		1619	*p=0; return;
10	reyssat	1620	}
		1621
8155	bpr	1622	/* write an error message. */
10	reyssat	1623	void exec_msg(char *p)
		1624	{
12245	bpr	1625	char p1,p2, buf[64], *l;
		1626	secure_exec();
		1627	p1=find_word_start(p); p2=find_word_end(p1);
		1628	if(*p2) {
		1629	*p2=0; p2=find_word_start(p2+1);
		1630	}
		1631	force_setvar("wims_error",p1); force_setvar("wims_error_parm",p2);
		1632	l=getvar("module_language");
		1633	if(l!=NULL && strlen(l)==2) {
		1634	snprintf(buf,sizeof(buf),"msg.phtml.%s",l);
		1635	phtml_put_base(buf,0);
		1636	}
		1637	*p=0;
10	reyssat	1638	}
		1639
8185	bpr	1640	struct distr_cmd distr_cmd[]={
12245	bpr	1641	{"char", NULL},
		1642	{"charof", NULL},
		1643	{"chars", NULL},
		1644	{"charsof", NULL},
		1645	{"item", cutitems},
		1646	{"itemof", cutitems},
		1647	{"items", cutitems},
		1648	{"itemsof", cutitems},
		1649	{"line", cutlines},
		1650	{"lineof", cutlines},
		1651	{"lines", cutlines},
		1652	{"linesof", cutlines},
		1653	{"list", cutitems},
		1654	{"word", cutwords},
		1655	{"wordof", cutwords},
		1656	{"words", cutwords},
		1657	{"wordsof", cutwords}
10	reyssat	1658	};
		1659
8185	bpr	1660	int distr_cmd_no=(sizeof(distr_cmd)/sizeof(distr_cmd[0]));
10	reyssat	1661
8155	bpr	1662	/* distribute a number of lines, items, etc. into a list of vars. */
10	reyssat	1663	void exec_distribute(char *p)
		1664	{
12245	bpr	1665	int i,k,n;
		1666	char p1, p2;
		1667	char bf1[MAX_LINELEN+1],bf2[MAX_LINELEN+1];
		1668	char names[4096],vals[4096];
		1669	p1=find_word_start(p); p2=find_word_end(p1);
		1670	if(p2<=p1 \|\| *p2==0) module_error("syntax_error");
		1671	*p2++=0;
		1672	i=search_list(distr_cmd,distr_cmd_no,sizeof(distr_cmd[0]),p1);
		1673	if(i<0) module_error("syntax_error");
		1674	p2=find_word_start(p2); p1=wordchr(p2,"into");
		1675	if(p1==NULL) module_error("syntax_error");
		1676	*p1=0;mystrncpy(bf1,p2,sizeof(bf1));
		1677	p1=find_word_start(p1+strlen("into"));
		1678	mystrncpy(bf2,p1,sizeof(bf2));
		1679	substit(bf1);substit(bf2);
		1680	strip_trailing_spaces(bf1);
		1681	items2words(bf2); n=cutwords(bf2,names,4096);
		1682	if(distr_cmd[i].routine!=NULL) {
		1683	k=distr_cmd[i].routine(bf1,vals,n);
		1684	for(i=0;i<k;i++) setvar(names[i],vals[i]);
		1685	for(;i<n;i++) setvar(names[i],"");
		1686	}
		1687	else {
		1688	char buf[2];
		1689	buf[1]=0;
		1690	for(p1=bf1,i=0;i<n;i++) {
		1691	buf[0]=p1; if(p1) p1++;
		1692	setvar(names[i],buf);
10	reyssat	1693	}
12245	bpr	1694	}
10	reyssat	1695	}
		1696
8155	bpr	1697	/* reset variables */
10	reyssat	1698	void exec_reset(char *p)
		1699	{
12245	bpr	1700	char p1, p2;
10	reyssat	1701
12245	bpr	1702	items2words(p);
		1703	for(p1=find_word_start(p); *p1; p1=find_word_start(p2)) {
		1704	p2=find_word_end(p1); if(p2) p2++=0;
		1705	setvar(p1,"");
		1706	}
10	reyssat	1707	}
		1708
8155	bpr	1709	/* exchange the values of two variables */
10	reyssat	1710	void exec_exchange(char *p)
		1711	{
12245	bpr	1712	char buf[MAX_LINELEN+1],b1[MAX_LINELEN+1],b2[MAX_LINELEN+1];
		1713	char p1,p2,*pb;
		1714	p1=wordchr(p,"and");
		1715	if(p1!=NULL) {
		1716	*p1=0; p2=find_word_start(p1+strlen("and"));
		1717	}
		1718	else {
		1719	p1=strchr(p,',');
		1720	if(p1==NULL) module_error("syntax_error");
		1721	*p1=0; p2=find_word_start(p1+1);
		1722	}
		1723	p1=find_word_start(p);
		1724	mystrncpy(b1,p1,sizeof(b1)); substit(b1); *find_word_end(b1)=0;
		1725	mystrncpy(b2,p2,sizeof(b2)); substit(b2); *find_word_end(b2)=0;
		1726	if(b1==0 \|\| b2==0) module_error("syntax_error");
		1727	pb=getvar(b1);if(pb==NULL) pb="";
		1728	mystrncpy(buf,pb,sizeof(buf));
		1729	pb=getvar(b2);if(pb==NULL) pb="";
		1730	setvar(b1,pb); setvar(b2,buf);
10	reyssat	1731	}
		1732
8155	bpr	1733	/* Send a mail */
10	reyssat	1734	void exec_mailto(char *p)
		1735	{
12245	bpr	1736	char p1,p2,*pp;
10	reyssat	1737
12245	bpr	1738	if(!trusted_module() \|\| is_class_module) return;
		1739	p1=strchr(p,'\n'); if(p1==NULL) return;
		1740	*p1++=0; p=find_word_start(p);
		1741	if(*p==0) return;
		1742	p2=strchr(p1,'\n'); if(p2==NULL) return;
		1743	*p2++=0;
		1744	for(pp=p1;pp;pp++) if(pp=='"' \|\| pp=='\n') pp=' ';
		1745	accessfile(p2,"w","%s/mail.body",tmp_dir);
		1746	wrapexec=1;
14281	obado	1747	call_sh("mail %s -s \" %s \nContent-Type: text/html\" %s <%s/mail.body; chmod og-rwx %s/mail.body",
12245	bpr	1748	mail_opt, p1,p,tmp_dir,tmp_dir);
		1749	mail_log(p);
		1750	*p=0;
10	reyssat	1751	}
		1752
8155	bpr	1753	/* Generates a user error. Internal and undocumented. */
10	reyssat	1754	void exec_usererror(char *p)
		1755	{
12245	bpr	1756	if(trusted_module()) user_error(p);
10	reyssat	1757	}
		1758
8155	bpr	1759	/* stop output. */
10	reyssat	1760	void exec_directout(char *p)
		1761	{
12245	bpr	1762	if(outputing \|\| !trusted_module()) return;
		1763	printf("%s",p);
		1764	noout=1;
10	reyssat	1765	}
		1766
		1767	enum {
12245	bpr	1768	EXEC_IF, EXEC_JUMP, EXEC_ELSE, EXEC_ENDIF, EXEC_EXEC,
		1769	EXEC_WHILE, EXEC_ENDWHILE,
		1770	EXEC_FOR, EXEC_VAR, EXEC_DEBUG, EXEC_DAEMON,
		1771	EXEC_SET, EXEC_DEFAULT, EXEC_COMMENT, EXEC_READ, EXEC_HREF,
		1772	EXEC_INS, EXEC_STRING, EXEC_PEDIA, EXEC_DIR,
		1773	EXEC_TRUST, EXEC_WARN, EXEC_ERROR, EXEC_SQL, EXEC_SCORE,
		1774	EXEC_MAIL, EXEC_OTHER
10	reyssat	1775	} EXEC_TYPES;
		1776	#define EXEC_SUBST 0x1000
		1777	#define EXEC_USECALC 0x2000
		1778	#define EXEC_PROCTOO 0x4000
		1779	MYFUNCTION exec_routine[]={
12245	bpr	1780	{"!", EXEC_COMMENT, exec_comment},
		1781	{"TeXmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1782	{"add", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1783	{"advance", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1784	{"append", EXEC_STRING\|EXEC_USECALC,calc_append},
		1785	{"appendfile",EXEC_DIR\|EXEC_SUBST, fileappend},
		1786	{"bound", EXEC_STRING, exec_bound},
		1787	{"break", EXEC_FOR, exec_break},
		1788	{"call", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1789	{"changeto", EXEC_READ\|EXEC_SUBST, exec_changeto},
		1790	{"char", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1791	{"chars", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1792	{"checkhost", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_checkhost},
		1793	{"column", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1794	{"columns", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1795	{"comment", EXEC_COMMENT, exec_comment},
		1796	{"daemon", EXEC_DAEMON\|EXEC_USECALC\|EXEC_SUBST,calc_daemon},
		1797	{"date", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_date},
		1798	{"deaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,deaccent},
		1799	{"debug", EXEC_DEBUG, calc_debug},
		1800	{"declosing", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_declosing},
		1801	{"def", EXEC_SET, exec_set},
		1802	{"default", EXEC_SET, exec_default},
		1803	{"define", EXEC_SET, exec_set},
		1804	{"definitionof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1805	{"defof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1806	{"defread", EXEC_READ\|EXEC_SUBST, exec_defread},
		1807	{"detag", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_detag},
		1808	{"detrust", EXEC_TRUST, exec_detrust},
7379	bpr	1809	/* {"dictionary",EXEC_STRING\|EXEC_USECALC,calc_dictionary}, */
12245	bpr	1810	{"dir", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1811	{"distribute",EXEC_STRING, exec_distribute},
		1812	{"distrust", EXEC_TRUST, exec_detrust},
		1813	{"else", EXEC_ELSE, exec_else},
		1814	{"embraced", EXEC_STRING\|EXEC_USECALC,calc_embraced},
		1815	{"encyclo", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1816	{"encyclopedia",EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1817	{"endif", EXEC_ENDIF, exec_endif},
		1818	{"endwhile", EXEC_ENDWHILE, exec_endwhile},
		1819	{"evalsubst", EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1820	{"evalsubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1821	{"evalsubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1822	{"evaluesubst",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1823	{"evaluesubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1824	{"evaluesubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1825	{"examscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_examscore},
		1826	{"exchange", EXEC_STRING, exec_exchange},
		1827	{"exec", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1828	{"execute", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1829	{"exit", EXEC_JUMP, exec_exit},
		1830	{"fileappend",EXEC_DIR\|EXEC_SUBST, fileappend},
		1831	{"fileexists",EXEC_STRING\|EXEC_USECALC, calc_fileexists},
		1832	{"filelist", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1833	{"fileout", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1834	{"filewrite", EXEC_DIR\|EXEC_SUBST, filewrite},
		1835	{"filexists",EXEC_STRING\|EXEC_USECALC, calc_fileexists},
		1836	{"for", EXEC_FOR, exec_for},
		1837	{"form", EXEC_HREF\|EXEC_SUBST, exec_form},
		1838	{"formbar", EXEC_HREF, exec_formbar},
		1839	{"formcheckbox",EXEC_HREF, exec_formcheckbox},
		1840	{"formend", EXEC_STRING, exec_formend},
		1841	{"formradio", EXEC_HREF, exec_formradio},
		1842	{"formradiobar",EXEC_HREF, exec_formbar},
		1843	{"formselect",EXEC_HREF, exec_formselect},
		1844	{"getdef", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1845	{"getfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1846	{"getscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscore},
		1847	{"getscorebest",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorebest},
		1848	{"getscorelast",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelast},
		1849	{"getscorelevel",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelevel},
		1850	{"getscoremean",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
		1851	{"getscorepercent",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorepercent},
		1852	{"getscorequality",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
		1853	{"getscoreremain",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreremain},
		1854	{"getscorerequire",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorerequire},
		1855	{"getscoretry",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoretry},
		1856	{"getscoreweight",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreweight},
		1857	{"goto", EXEC_JUMP\|EXEC_SUBST, exec_goto},
		1858	{"header", EXEC_HREF, exec_header},
		1859	{"header1", EXEC_HREF, exec_header1},
		1860	{"headmenu", EXEC_HREF, exec_headmenu},
		1861	{"hex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1862	{"homeref", EXEC_HREF, exec_homeref},
		1863	{"href", EXEC_HREF, exec_href},
13757	bpr	1864	{"html2iso", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_html2iso},
12245	bpr	1865	{"htmlbar", EXEC_HREF, exec_formbar},
		1866	{"htmlcheckbox",EXEC_HREF, exec_formcheckbox},
		1867	{"htmlheader",EXEC_HREF, exec_header},
		1868	{"htmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1869	{"htmlradio", EXEC_HREF, exec_formradio},
		1870	{"htmlradiobar",EXEC_HREF, exec_formbar},
		1871	{"htmlselect",EXEC_HREF, exec_formselect},
		1872	{"htmltail", EXEC_HREF, exec_tail},
		1873	{"htmltitle", EXEC_HREF, exec_title},
		1874	{"if", EXEC_IF, exec_if},
		1875	{"ifval", EXEC_IF, exec_ifval},
		1876	{"ifvalue", EXEC_IF, exec_ifval},
		1877	{"imgrename", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_imgrename},
		1878	{"include", EXEC_READ\|EXEC_SUBST, exec_read},
		1879	{"increase", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1880	{"input", EXEC_READ\|EXEC_SUBST, exec_read},
		1881	{"insdraw", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1882	{"insmath", EXEC_INS, insmath},
		1883	{"inspaint", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1884	{"insplot", EXEC_INS\|EXEC_SUBST, exec_insplot},
		1885	{"insplot3d", EXEC_INS\|EXEC_SUBST, exec_insplot3d},
		1886	{"instex", EXEC_INS, exec_instex},
		1887	{"instexst", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1888	{"instexstatic",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1889	{"item", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1890	{"items", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1891	{"items2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1892	{"items2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1893	{"itemstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1894	{"itemstowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1895	{"let", EXEC_SET, exec_set},
		1896	{"leveldata", EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1897	{"levelpoints",EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1898	{"line", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1899	{"lines", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1900	{"lines2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1901	{"lines2list", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1902	{"lines2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1903	{"linestoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1904	{"linestolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1905	{"linestowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1906	{"list2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1907	{"list2words", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1908	{"listfile", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1909	{"listfiles", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1910	{"listintersect",EXEC_STRING\|EXEC_USECALC,calc_listintersect},
		1911	{"listintersection", EXEC_STRING\|EXEC_USECALC,calc_listintersect},
		1912	{"listtolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1913	{"listtowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1914	{"listunion", EXEC_STRING\|EXEC_USECALC,calc_listunion},
		1915	{"listuniq", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1916	{"listunique", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1917	{"listvar", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		1918	{"lookup", EXEC_STRING\|EXEC_USECALC, calc_lookup},
		1919	{"lower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1920	{"lowercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1921	{"ls", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1922	{"mailto", EXEC_MAIL\|EXEC_SUBST, exec_mailto},
		1923	{"mailurl", EXEC_MAIL\|EXEC_SUBST\|EXEC_USECALC,calc_mailurl},
		1924	{"makelist", EXEC_STRING\|EXEC_USECALC,calc_makelist},
		1925	{"math2html", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1926	{"math2mathml",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1927	{"math2tex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1928	{"mathmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1929	{"mathsubst", EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
		1930	{"mathsubstit",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
		1931	{"mathsubstitute",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
		1932	{"mexec", EXEC_EXEC\|EXEC_SUBST, exec_mexec},
		1933	{"module", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_module},
		1934	{"msg", EXEC_EXEC\|EXEC_SUBST,exec_msg},
		1935	{"multiply", EXEC_STRING\|EXEC_USECALC,calc_product},
		1936	{"next", EXEC_FOR, exec_next},
		1937	{"nocache", EXEC_READ, exec_nocache},
		1938	{"non_empty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1939	{"nonempty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1940	{"nospace", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,nospace},
		1941	{"outfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1942	{"pedia", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1943	{"perl", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_perl},
		1944	{"position", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1945	{"positionof",EXEC_STRING\|EXEC_USECALC,calc_pos},
		1946	{"positions", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1947	{"prod", EXEC_STRING\|EXEC_USECALC,calc_product},
		1948	{"product", EXEC_STRING\|EXEC_USECALC,calc_product},
		1949	{"rawmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmath},
		1950	{"rawmatrix", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmatrix},
		1951	{"reaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,reaccent},
		1952	{"read", EXEC_READ\|EXEC_SUBST, exec_read},
		1953	{"readdef", EXEC_READ\|EXEC_SUBST, exec_defread},
		1954	{"readproc", EXEC_READ\|EXEC_SUBST, exec_readproc},
		1955	{"record", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1956	{"records", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1957	{"recursion", EXEC_STRING\|EXEC_USECALC,calc_recursion},
		1958	{"reinput", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_reinput},
		1959	{"rem", EXEC_COMMENT, exec_comment},
		1960	{"remark", EXEC_COMMENT, exec_comment},
		1961	{"replace", EXEC_STRING\|EXEC_USECALC,calc_replace},
		1962	{"reset", EXEC_SET\|EXEC_SUBST, exec_reset},
		1963	{"restart", EXEC_JUMP\|EXEC_SUBST, exec_restart},
		1964	{"return", EXEC_JUMP, exec_exit},
		1965	{"robotrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1966	{"robottrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1967	{"rootof", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1968	{"row", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1969	{"rows", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1970	{"rows2lines",EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_rows2lines},
		1971	{"run", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1972	{"select", EXEC_STRING\|EXEC_USECALC,calc_select},
		1973	{"set", EXEC_SET, exec_set},
		1974	{"setdef", EXEC_OTHER, exec_setdef},
		1975	{"setseed", EXEC_STRING\|EXEC_SUBST, exec_setseed},
		1976	{"sh", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1977	{"shortout", EXEC_JUMP\|EXEC_SUBST, exec_directout},
		1978	{"singlespace",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,singlespace},
		1979	{"solve", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1980	{"sort", EXEC_STRING\|EXEC_USECALC, calc_sort},
7379	bpr	1981	/* {"sql", EXEC_SQL\|EXEC_SUBST\|EXEC_USECALC, calc_sql}, */
12245	bpr	1982	{"staticinstex",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1983	{"stinstex", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1984	{"sum", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1985	{"system", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1986	{"tail", EXEC_HREF, exec_tail},
		1987	{"test", EXEC_DEBUG, exec_test},
		1988	{"texmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1989	{"text", EXEC_STRING\|EXEC_USECALC,text},
		1990	{"title", EXEC_HREF, exec_title},
		1991	{"tohex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1992	{"tolower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1993	{"toupper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1994	{"translate", EXEC_STRING\|EXEC_USECALC,calc_translate},
		1995	{"trim", EXEC_STRING\|EXEC_USECALC,calc_trim},
		1996	{"upper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1997	{"uppercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1998	{"usererror", EXEC_WARN\|EXEC_SUBST, exec_usererror},
		1999	{"values", EXEC_STRING\|EXEC_USECALC,calc_values},
		2000	{"varlist", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		2001	{"warn", EXEC_WARN\|EXEC_SUBST, exec_warn},
		2002	{"warning", EXEC_WARN\|EXEC_SUBST, exec_warn},
		2003	{"while", EXEC_WHILE, exec_while},
		2004	{"whileval", EXEC_WHILE, exec_whileval},
		2005	{"whilevalue",EXEC_WHILE, exec_whileval},
		2006	{"wimsheader",EXEC_HREF, exec_header},
		2007	{"wimsref", EXEC_HREF, exec_homeref},
		2008	{"wimstail", EXEC_HREF, exec_tail},
		2009	{"wimstitle", EXEC_HREF, exec_title},
		2010	{"word", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		2011	{"words", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		2012	{"words2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		2013	{"words2lines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		2014	{"words2list",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		2015	{"wordstoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		2016	{"wordstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		2017	{"wordstolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		2018	{"writefile", EXEC_DIR\|EXEC_SUBST, filewrite},
10	reyssat	2019	};
8185	bpr	2020	int EXEC_FN_NO=(sizeof(exec_routine)/sizeof(exec_routine[0]));
10	reyssat	2021
8155	bpr	2022	/* internal: to skip the content of a false if/while. */
10	reyssat	2023	static void _skip_contents(int isif)
		2024	{
12245	bpr	2025	char buf[MAX_NAMELEN+8], *p1;
		2026	int i,j,loop;
		2027	loop=0;
		2028	while(m_file.linepointer<m_file.linecnt) {
		2029	j=m_file.linepointer;
		2030	if((m_file.lines[j].isstart&2)==0) {
		2031	m_file.linepointer++; continue;
		2032	}
		2033	i=m_file.lines[j].execcode;
		2034	if(i<0) {
		2035	if(wgetline(buf,MAX_NAMELEN+4,&m_file)==EOF) return;
		2036	p1=buf+1; if(p1!='i' && p1!='e' && *p1!='w') continue;
		2037	*find_word_end(p1)=0;
		2038	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p1);
		2039	if(i>=0) m_file.lines[j].execcode=i;
		2040	}
		2041	else m_file.linepointer++;
		2042	if(i<0) continue;
		2043	switch(exec_routine[i].tag & 0xffff) {
		2044	case EXEC_WHILE:
		2045	if(!isif) loop++;
		2046	break;
		2047	case EXEC_IF:
		2048	if(isif) loop++;
		2049	break;
		2050	case EXEC_ELSE: {
		2051	if(!isif) break;
		2052	if(loop<=0) return; else break;
7379	bpr	2053	}
12245	bpr	2054	case EXEC_ENDIF: {
		2055	if(!isif) break;
		2056	if(loop>0) {
		2057	loop--; break;
		2058	}
		2059	else return;
7379	bpr	2060	}
12245	bpr	2061	case EXEC_ENDWHILE: {
		2062	if(isif) break;
		2063	if(loop>0) {
		2064	loop--; break;
7379	bpr	2065	}
12245	bpr	2066	else return;
7379	bpr	2067	}
12245	bpr	2068	default: break;
10	reyssat	2069	}
12245	bpr	2070	}
10	reyssat	2071	}
		2072
8155	bpr	2073	/* Execute a command defined by !. Returns 0 if OK. */
10	reyssat	2074	void exec_main(char *p)
		2075	{
12245	bpr	2076	int i,j;
		2077	char *pp;
		2078	char tbuf2[MAX_LINELEN+1];
10	reyssat	2079
12245	bpr	2080	pp=find_word_end(p);
		2081	if(*pp!=0) {
		2082	*(pp++)=0; pp=find_word_start(pp);
		2083	}
		2084	i=m_file.lines[m_file.l].execcode;
		2085	if(i<0) {
		2086	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p);
		2087	m_file.lines[m_file.l].execcode=i;
		2088	}
		2089	if(i<0) {
		2090	setvar(error_data_string,p); module_error("bad_cmd");
		2091	}
8155	bpr	2092	/* called from !readdef, no right other than set; bail out */
12245	bpr	2093	execnt++;
		2094	if((untrust&4)!=0 && (j=(exec_routine[i].tag&0xffff))!=EXEC_SET) {
		2095	tbuf2[0]=0; exec_exit(tbuf2);
		2096	}
		2097	ovlstrcpy(tbuf2,pp); j=exec_routine[i].tag;
		2098	if(j&EXEC_SUBST) substit(tbuf2);
		2099	if(j&EXEC_USECALC) {
		2100	if(!outputing && (j&EXEC_PROCTOO)==0) return;
		2101	exec_routine[i].routine(tbuf2); if(outputing) output0(tbuf2);
		2102	}
		2103	else exec_routine[i].routine(tbuf2);
		2104	return;
10	reyssat	2105	}

Subversion Repositories wimsdev

(root)/trunk/wims/src/exec.c – Rev 15130