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	{
		28	if(compare(p,numerical,0)==0) _skip_contents(isif); /* skip if false */
		29	else if(!isif) m_file.for_idx++;
		30	return;
		31	}
		32
7379	bpr	33	/* 'if' non-numerical (unless comparisons are < or >, etc.) */
10	reyssat	34	void exec_if(char *p)
		35	{
		36	_exec_if_while(p,0,1);
		37	}
		38
8213	bpr	39	/* 'if' numerical. */
10	reyssat	40	void exec_ifval(char *p)
		41	{
7379	bpr	42	_exec_if_while(p,1,1);
10	reyssat	43	}
		44
		45	void _exec_while(char *p, int numerical)
		46	{
		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);
		53	}
		54
8213	bpr	55	/* 'while' non-numerical (unless comparisons are < or >, etc.) */
10	reyssat	56	void exec_while(char *p)
		57	{
		58	_exec_while(p,0);
		59	}
		60
8213	bpr	61	/* 'while' numerical. */
10	reyssat	62	void exec_whileval(char *p)
		63	{
		64	_exec_while(p,1);
		65	}
		66
		67	void exec_endwhile(char *p)
		68	{
		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");
		77	}
		78
8213	bpr	79	/* Should provide a method to stop infinite loop. */
10	reyssat	80	void exec_goto(char *p)
		81	{
		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++) {
7379	bpr	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;
10	reyssat	104	}
		105	m_file.l=old_line;
7379	bpr	106	setvar(error_data_string,label_start); module_error("label_not_found");
10	reyssat	107	/* m_file.linepointer=m_file.linecnt; *p=0;
		108	return;
		109	*/}
		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	{
7379	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	{
		124	return;
		125	}
		126
8213	bpr	127	/* find out the end of a for loop */
10	reyssat	128	void goto_for_end(void)
		129	{
		130	int inner;
		131	char buf[16];
		132	inner=0;
		133	while(m_file.linepointer<m_file.linecnt) {
7379	bpr	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;
		145	}
		146	else break;
		147	}
10	reyssat	148	}
		149	}
		150
8213	bpr	151	/* for */
10	reyssat	152	void exec_for(char *p)
		153	{
		154	char p1, p2, *p3;
		155	double v1, v2, step;
		156	char buf[MAX_LINELEN+1];
		157	FOR_STACK *stk;
		158
		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;
7379	bpr	162	p1=find_word_start(p);
10	reyssat	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=='=') {
7379	bpr	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	}
		190	else {
		191	stk->varval=v1; stk->varend=v2; stk->step=step;
		192	stk->lineno=m_file.linepointer;
		193	m_file.for_idx++;
		194	}
		195	*p=0; return;
10	reyssat	196	}
		197	if(memcmp(p1,"from",strlen("from"))==0 && isspace(*(p1+strlen("from")))) {
7379	bpr	198	p1+=strlen("from"); goto assign;
10	reyssat	199	}
		200	if(memcmp(p1,"in",strlen("in"))==0 && isspace(*(p1+strlen("in")))) {
7379	bpr	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);
		211	}
		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;
10	reyssat	216	}
		217	goto syntax;
		218	}
		219
8213	bpr	220	/* break a for loop */
10	reyssat	221	void exec_break(char *p)
		222	{
		223	FOR_STACK *stk;
		224	if(m_file.for_idx>0) {
7379	bpr	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--;
10	reyssat	229	}
		230	*p=0; return;
		231	}
		232
8213	bpr	233	/* next */
10	reyssat	234	void exec_next(char *p)
		235	{
		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 */
7379	bpr	244	if(stk->list_pt==NULL) {
		245	free(stk->bufpt);
		246	m_file.for_idx--;
		247	*p=0; return;
		248	}
		249	p1=strchr(stk->list_pt,',');
		250	if(p1!=NULL) {
		251	*p1=0; p2=find_word_start(p1+1);
		252	}
		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;
10	reyssat	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 */
7379	bpr	263	loop_back:
		264	m_file.linepointer=stk->lineno;
		265	executed_gotos++;
		266	if(executed_gotos>=GOTO_LIMIT) module_error("too_many_gotos");
10	reyssat	267	}
		268	else m_file.for_idx--;
		269	*p=0; return;
		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	{
		277	direct_exec=1;
		278	calc_mexec(p);
		279	direct_exec=0;
		280	}
		281
8213	bpr	282	/* call shell. */
10	reyssat	283	void _exec_ex(char p, char arg0, char *arg1, int n)
		284	{
		285	char *abuf[8];
		286	char errorfname[MAX_FNAME+1];
		287
		288	if(robot_access) {
7379	bpr	289	*p=0; return;
10	reyssat	290	}
		291	if(!noout \|\| !trusted_module() \|\| is_class_module) {
7379	bpr	292	_calc_exec(p,arg0,arg1,n); if(outputing) output0(p);
		293	return;
10	reyssat	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);
		299	}
		300
8213	bpr	301	/* call shell. */
10	reyssat	302	void exec_sh(char *p)
		303	{
		304	_exec_ex(p,"sh","-c",2);
		305	}
		306
8213	bpr	307	/* call perl. */
10	reyssat	308	void exec_perl(char *p)
		309	{
		310	_exec_ex(p,"perl","-e",2);
		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	{
		344	WORKING_FILE save;
		345	char parmsave[MAX_LINELEN+1];
		346	char pp,ps;
		347	int t,cache;
7379	bpr	348
10	reyssat	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) {
7379	bpr	360	if((untrust&255)!=0 &&
		361	(m_file.name[0]=='/' \|\| strncmp(m_file.name,"wimshome/",9)==0))
		362	module_error("Illegal_file_access");
		363	untrust\|=0x200;
10	reyssat	364	}
		365	if((untrust&0x202)!=0) {
7379	bpr	366	pp=getvar("wims_trustfile");
		367	if(pp!=NULL && *pp!=0 && wordchr(pp,p)!=NULL)
		368	untrust&=0xfdfd;
10	reyssat	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	setvar("wims_read_parm",parmsave);
		375	}
		376
8213	bpr	377	/* read a variable processing file */
10	reyssat	378	void exec_readproc(char *p)
		379	{
		380	int o=outputing; outputing=0; exec_read(p); outputing=o;
		381	}
		382
		383	void exec_defread(char *p)
		384	{
		385	int t,o;
		386	secure_exec();
		387	t=untrust; untrust\|=0x400;
		388	o=outputing; outputing=0;
		389	exec_read(p); untrust=t; outputing=o;
		390	}
		391
8213	bpr	392	/* Change to another file (no return) */
10	reyssat	393	void exec_changeto(char *p)
		394	{
		395	m_file.linepointer=m_file.linecnt;
		396	exec_read(p);
		397	}
		398
		399	int header_executed=0, tail_executed=0;
		400
8213	bpr	401	/* internal routine: get other language versions */
10	reyssat	402	void other_langs(void)
		403	{
		404	int i,j,k;
		405	char p, lbuf[4], pbuf[MAX_FNAME+1], phtml;
		406	char namebuf[MAX_FNAME+1], listbuf[4*MAX_LANGUAGES];
		407	static int otherlangs_got=0;
		408
		409	if(otherlangs_got) return;
		410	mystrncpy(namebuf,module_prefix,sizeof(namebuf));
		411	listbuf[0]=0;j=strlen(namebuf)-3; p=listbuf;
		412	if(j>=2 && strcmp("light",namebuf+j-2)==0) {
7379	bpr	413	setvar("wims_light_module","yes");
		414	phtml=getvar("phtml");
		415	if(phtml==NULL \|\| *phtml==0) return;
		416	mystrncpy(pbuf,phtml,sizeof(pbuf));
		417	j=strlen(pbuf)-3;
		418	if(pbuf[j]!='.') return;
		419	j++; ovlstrcpy(lbuf,pbuf+j); pbuf[j]=0;
		420	j=strlen(namebuf);
		421	snprintf(namebuf+j,MAX_FNAME-j-10,"/pages/%s",pbuf);
		422	j=strlen(namebuf);
		423	for(i=k=0;i<available_lang_no;i++) {
		424	if(strcmp(lbuf,available_lang[i])==0) continue;
		425	mystrncpy(namebuf+j,available_lang[i],MAX_FNAME-j);
		426	if(ftest(namebuf)<0) continue;
		427	if(k>0) *p++=',';
		428	mystrncpy(p,available_lang[i],sizeof(listbuf)-4-(p-listbuf));
		429	p+=strlen(p);
		430	k++;
		431	}
		432	goto end;
10	reyssat	433	}
		434	if(j>0 && namebuf[j]=='.') {
7379	bpr	435	setvar("wims_light_module","");
		436	j++; ovlstrcpy(lbuf,namebuf+j); namebuf[j]=0;
		437	for(i=k=0;i<available_lang_no;i++) {
		438	if(strcmp(lbuf,available_lang[i])==0) continue;
		439	snprintf(namebuf+j,MAX_FNAME-j,"%s/main.phtml",
		440	available_lang[i]);
		441	if(ftest(namebuf)<0) continue;
		442	if(k>0) *p++=',';
		443	mystrncpy(p,available_lang[i],sizeof(listbuf)-4-(p-listbuf));
		444	p+=strlen(p);
		445	k++;
		446	}
10	reyssat	447	}
		448	end: setvar("wims_otherlangs",listbuf); otherlangs_got=1;
		449	}
		450
8213	bpr	451	/* Standardised reference to wims home */
10	reyssat	452	void exec_homeref(char *p)
		453	{
		454	char ref, user;
7379	bpr	455
10	reyssat	456	if(ismhelp \|\| tail_executed) return;
		457	setvar("wims_homeref_parm",p); *p=0;
		458	user=getvar("wims_user");
		459	if(user==NULL) user="";
		460	if(*user==0 \|\| robot_access) ref=home_referer;
		461	else {
7379	bpr	462	if(strcmp(user,"supervisor")==0) ref=home_referer_supervisor;
		463	else ref=home_referer_user;
10	reyssat	464	}
		465	if(user[0]==0 && !robot_access) other_langs();
		466	phtml_put_base(ref,0); tail_executed=1;
		467	}
		468
8213	bpr	469	/* Standardised header menu */
10	reyssat	470	void exec_headmenu(char *p)
		471	{
		472	char ref, user;
7379	bpr	473
10	reyssat	474	if(header_executed) return;
		475	setvar("wims_headmenu_parm",p); *p=0;
		476	user=getvar("wims_user");
		477	if(user==NULL) user="";
		478	if(*user==0 \|\| robot_access) ref=header_menu;
		479	else {
7379	bpr	480	if(strcmp(user,"supervisor")==0) ref=header_menu_supervisor;
		481	else ref=header_menu_user;
10	reyssat	482	}
		483	if(user[0]==0 && !robot_access) other_langs();
		484	phtml_put_base(ref,0); header_executed=1;
		485	}
		486
8213	bpr	487	/* uniformized title */
10	reyssat	488	void exec_title(char *p)
		489	{
		490	char *s;
		491	*p=0;
		492	if(!outputing) return;
		493	s=getvar("wims_title_title");
		494	if(s==NULL \|\| *s==0) {
7379	bpr	495	s=getvar("module_title");
		496	if(s==NULL \|\| *s==0) return;
		497	force_setvar("wims_title_title",s);
10	reyssat	498	}
		499	phtml_put_base(title_page,0);
		500	}
		501
8213	bpr	502	/* standardized html tail */
10	reyssat	503	void exec_tail(char *p)
		504	{
		505	if(!outputing \|\| tail_executed) {
7379	bpr	506	*p=0; return;
10	reyssat	507	}
		508	if(!ismhelp) exec_homeref(p); *p=0;
		509	_output_("</body></html>");
		510	tail_executed=1;
		511	}
		512
5925	bpr	513	void exec_formend(char *p)
		514	{
		515	_output_("\n</div></form>");
		516	}
		517
10	reyssat	518	void determine_font(char *l);
		519
7379	bpr	520	void _headmathjax ( char *p)
		521	{
7380	bpr	522	_output_("\n<script type=\"text/javascript\">/<![CDATA[/if(\
7379	bpr	523	navigator.userAgent.toLowerCase().indexOf(\"firefox\") == -1 &&\
7370	bpr	524	navigator.userAgent.toLowerCase().indexOf(\"opera\") == -1 &&\
7379	bpr	525	(navigator.userAgent.toLowerCase().indexOf(\"safari\") == -1 \|\| navigator.userAgent.toLowerCase().indexOf(\"chrome\") > 0)\
		526	){var script = document.createElement(\"script\");\
7370	bpr	527	script.type = \"text/javascript\";\
7379	bpr	528	script.src = \"scripts/js/mathjax/MathJax.js?config=MML_HTMLorMML-full.js\";\
7370	bpr	529	document.body.appendChild(script);\
7380	bpr	530	}/]]>/</script>\n");
7370	bpr	531	}
		532
8213	bpr	533	/* standardized header */
1050	bpr	534	void _header(char *p, int option)
10	reyssat	535	{
		536	char s1, s2, hbuf[MAX_LINELEN+1], ws="", ws2="", bo, ol;
		537	char wsbuf[MAX_LINELEN+1],wsbuf2[MAX_LINELEN+1];
		538	setvar("wims_header_parm",p); *p=0;
		539	if(!outputing \|\| header_executed) return;
		540	s1=getvar("wims_window");
		541	if(mode==mode_popup) {
7370	bpr	542	if(s1!=NULL && *s1!=0) {
7379	bpr	543	char p1, p2;
		544	int t1,t2/,t3,t4/;
		545	p1=find_word_start(s1);
		546	for(p2=p1; myisdigit(*p2); p2++);
		547	*p2=0; t1=atoi(p1); p1=p2+1;
		548	while(!myisdigit(p1) && p1) p1++;
		549	for(p2=p1; myisdigit(*p2); p2++);
		550	*p2=0; t2=atoi(p1); p1=p2+1;
		551	/* while(!myisdigit(p1) && p1) p1++;
		552	for(p2=p1; myisdigit(*p2); p2++);
		553	*p2=0; t3=atoi(p1); p1=p2+1;
		554	while(!myisdigit(p1) && p1) p1++;
		555	for(p2=p1; myisdigit(*p2); p2++);
		556	*p2=0; t4=atoi(p1); p1=p2+1;
		557	while(!myisdigit(p1) && p1) p1++;
		558	for(p2=p1; myisdigit(*p2); p2++);
		559	if(t3<5) t3=5; if(t4<20) t4=20;
		560	*/ snprintf(wsbuf,sizeof(wsbuf),
		561	"window.focus();window.resizeTo(%d,%d);",t1,t2); ws=wsbuf;
		562	/* snprintf(wsbuf,sizeof(wsbuf),
		563	"window.focus();window.resizeto(%d,%d);window.moveto(%d,%d);",
		564	t1,t2,t3,t4); ws=wsbuf;
		565	*/ }
10	reyssat	566	}
		567	else {
7379	bpr	568	if(s1!=NULL && strcmp(s1,"new")==0)
		569	ws="window.focus();window.resizeTo(800,640);window.moveTo(15,35);";
10	reyssat	570	}
		571	if(strstr(session_prefix,"_exam")!=NULL) {
7379	bpr	572	/* char buf[64]; */
		573	if(*ws==0) ws="window.focus();";
		574	else ws= "window.focus();window.moveTo(5,70);";
		575	/* snprintf(buf,sizeof(buf),"name.phtml.%s",lang);
		576	phtml_put_base(buf);
		577	phtml_put_base("jsclock.phtml"); */
10	reyssat	578	}
		579	s1=getvar("wims_html_header"); if(s1==NULL) s1="";
		580	determine_font(getvar("module_language"));
		581	s2=getvar("module_title"); if(s2!=NULL && *s2!=0) {
7379	bpr	582	mystrncpy(hbuf,s2,sizeof(hbuf)); calc_detag(hbuf);
		583	setvar("module_title2",hbuf);
10	reyssat	584	}
		585	mystrncpy(hbuf,s1,sizeof(hbuf)); substit(hbuf);
		586	s2=getvar("wims_htmlbody"); if(s2==NULL) s2="";
		587	bo=getvar("wims_html_bodyoption"); if(bo==NULL) bo="";
		588	ws2=getvar("wims_html_onload"); if(ws2==NULL) ws2="";
		589	snprintf(wsbuf2,sizeof(wsbuf2),"%s%s",ws,ws2);
		590	setvar("wims_html_onload",wsbuf2);
		591	if(wsbuf2[0]) ol=" onload="; else ol="";
		592	/* output("<html xmlns=\"http://www.w3.org/1999/xhtml\"><head>%s\n\
		593	</head><body %s %s%s %s>\n", */
256	bpr	594	/* output("<html>\n\
10	reyssat	595	<head>%s\n\
		596	</head><body %s %s%s %s>\n",
7370	bpr	597	hbuf,s2,ol,wsbuf2,bo);*/
		598	/http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd/
		599	if(ol[0]) {
		600	output("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN\" \"http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd\">\
		601	\n<html xml:lang=\"%s\"\
		602	xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:mathml=\"http://www.w3.org/1998/Math/MathML\"><head>%s\n\
		603	</head>\n<body %s %s\"%s\" %s>", lang,hbuf,s2,ol,wsbuf2,bo);}
		604	else {
		605	output("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN\" \"http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd\">\
		606	\n<html xml:lang=\"%s\" xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:mathml=\"http://www.w3.org/1998/Math/MathML\"><head>%s\n\
		607	</head>\n<body %s %s%s %s>", lang,hbuf,s2,ol,wsbuf2,bo);
		608	}
		609	_headmathjax(p);
10	reyssat	610	exec_headmenu(p);
1050	bpr	611	if(option) exec_title(p);
10	reyssat	612	if(cmd_type==cmd_help) {
7370	bpr	613	char *s=getvar("special_parm");
		614	if(s==NULL) s="";
		615	m_file.linepointer=m_file.linecnt;
		616	if(strcmp(s,"about")==0) ovlstrcpy(hbuf,"about.phtml");
		617	else ovlstrcpy(hbuf,"help.phtml");
		618	exec_read(hbuf); exec_tail(p); /* param of exec_...() must be readable */
		619	return;
10	reyssat	620	}
		621	header_executed=1;
		622	}
		623
1050	bpr	624	void exec_header(char *p) { _header(p,1);}
		625	void exec_header1(char *p) { _header(p,0);}
		626
10	reyssat	627	char href_target[128];
		628	char jsbuf[512];
5729	bpr	629	#define jsstr " onclick=\"%s=window.open('','%s','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')\""
10	reyssat	630	int ref_mhelp=0;
		631	int follow_list[]={
		632	ro_session, ro_lang, ro_useropts, ro_module
		633	};
		634	#define follow_no (sizeof(follow_list)/sizeof(follow_list[0]))
		635
		636	void _httpfollow(char b1[], char *wn, int new)
		637	{
		638	int i;
		639	char p1, s, *ss, sb[MAX_LINELEN+1], qbuf[MAX_LINELEN+1];
		640
		641	sb[0]=0;
		642	for(i=0;i<follow_no;i++) {
7379	bpr	643	if(robot_access && follow_list[i]==ro_session) continue;
		644	if(!new && follow_list[i]!=ro_session
		645	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		646	continue;
		647	if(follow_list[i]==ro_module) {
		648	char *pp;
		649	if(new) continue;
		650	pp=strstr(b1,"cmd=");
		651	if(pp==NULL) continue;
		652	pp+=strlen("cmd=");
		653	if(memcmp(pp,"intro",strlen("intro"))==0 \|\|
		654	memcmp(pp,"new",strlen("new"))==0) continue;
		655	}
		656	s=getvar(ro_name[follow_list[i]]);
		657	ss=strstr(b1,ro_name[follow_list[i]]);
		658	if(s!=NULL && *s!=0 &&
		659	(ss==NULL \|\| (ss>b1 && *(ss-1)!='&')
		660	\|\| *(ss+strlen(ro_name[follow_list[i]]))!='=')) {
		661	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		662	char st[MAX_LINELEN+1];
		663	char *s1;
		664	s1=getvar("wims_session");
		665	if(s1==NULL) internal_error("exec_href() error.\n");
		666	if(ref_mhelp) {
		667	if(strstr(s1,"_mhelp")!=0)
		668	snprintf(st,sizeof(st),"%s",s1);
		669	else
		670	snprintf(st,sizeof(st),"%s_mhelp",s1);
		671	}
		672	else snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		673	s=st;
		674	}
		675	snprintf(sb+strlen(sb),MAX_LINELEN-strlen(sb),"%s=%s&",
		676	ro_name[follow_list[i]],s);
		677	if(ismhelp && follow_list[i]==ro_session &&
		678	strstr(sb,"_mhelp")==NULL)
		679	snprintf(sb+strlen(sb)-1,MAX_LINELEN-strlen(sb)+1,"_mhelp&");
		680	}
10	reyssat	681	}
		682	snprintf(qbuf,MAX_LINELEN,"%s%s%s",wn,sb,b1);
7379	bpr	683	/* cleaning up query string */
10	reyssat	684	for(p1=qbuf;*p1;p1++) {
7379	bpr	685	if(*p1=='"') string_modify(qbuf,p1,p1+1,"%22");
		686	if(p1=='&' && isalpha((p1+1))) {
		687	p1++; string_modify(qbuf,p1,p1,"+");
		688	}
10	reyssat	689	}
		690	mystrncpy(b1,qbuf,MAX_LINELEN);
		691	}
		692
8213	bpr	693	/* Restart with a new module, using http code 302. */
10	reyssat	694	void exec_restart(char *p)
		695	{
		696	char buf[MAX_LINELEN+1], *rfn, buf2[MAX_LINELEN+1];
		697	/* long int t; */
7379	bpr	698
10	reyssat	699	if(robot_access \|\| outputing \|\| !trusted_module() \|\| is_class_module) return;
		700	/* accessfile(buf,"r","%s/restart.time",s2_prefix);
7379	bpr	701	t=atoi(buf); if(t==nowtime) return; / / possible looping */
10	reyssat	702	mystrncpy(buf,find_word_start(p),sizeof(buf));
		703	*find_word_end(buf)=0;
		704	_httpfollow(buf,"",0);
		705	nph_header(301);
		706	rfn=strchr(ref_name,':'); if(rfn==NULL) {
7379	bpr	707	usual: snprintf(buf2,sizeof(buf2),"%s?%s",ref_name,buf);
10	reyssat	708	}
		709	else {
7379	bpr	710	char *p;
		711	p=getvar("wims_protocol");
		712	if(p!=NULL && strcmp(p,"https")==0) {
		713	snprintf(buf2,sizeof(buf2),"https%s?%s",rfn,buf);
		714	}
		715	else goto usual;
10	reyssat	716	}
		717	printf("Location: %s\r\n\r\n\
4957	obado	718	<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\
10	reyssat	719	<html><body><a href=\"%s\">%s</a></body></html>",buf2,buf2,buf2);
		720	close_working_file(&m_file,0); write_logs();
		721	snprintf(buf,sizeof(buf),"%ld",nowtime);
		722	/* accessfile(buf,"w","%s/restart.time",s2_prefix);
		723	*/ delete_pid(); exit(0);
		724	}
		725
8213	bpr	726	/* extract target tag from parm string. */
10	reyssat	727	void href_find_target(char *p)
		728	{
		729	char pp, pe,buf1[MAX_LINELEN+1];
		730	href_target[0]=0; jsbuf[0]=0; ref_mhelp=0;
		731	for(pp=find_word_start(p);*pp!=0;pp=find_word_start(pe)) {
7379	bpr	732	pe=find_word_end(pp);
		733	if(strncasecmp(pp,"target=wims_",strlen("target=wims_"))!=0) continue;
		734	memmove(buf1,pp,pe-pp); buf1[pe-pp]=0; substit(buf1);
		735	if(strncasecmp(buf1,"target=wims_mhelp",strlen("target=wims_mhelp"))==0) {
		736	if(pe!=0) pe++=0; ovlstrcpy(href_target,"wims_help");
		737	ref_mhelp=1;
		738	}
		739	else {
		740	if(pe!=0) pe++=0;
		741	mystrncpy(href_target,buf1+strlen("target="),sizeof(href_target));
		742	}
		743	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
		744	ovlstrcpy(pp,pe);return;
10	reyssat	745	}
		746	pp=getvar("module_help");
		747	if(href_target[0]==0 && pp!=NULL && strcmp(pp,"popup")==0 &&
		748	(pe=strstr(p,"cmd=help"))!=NULL) {
7379	bpr	749	if(pe==p \|\| *(pe-1)=='&') {
		750	ovlstrcpy(href_target,"wims_help"); ref_mhelp=1;
		751	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
		752	}
10	reyssat	753	}
		754	}
		755
		756	void _href_getdef(char src[], char vname[], char buf[], int buflen)
		757	{
		758	char p1, p2, *p3;
		759	buf[0]=0;
		760	for(p1=strstr(src,vname); p1; p1=strstr(p2,vname)) {
7379	bpr	761	p2=p1+strlen(vname); if(*p2!='=') continue;
		762	if(p1>src && *(p1-1)!='&') continue;
		763	p2++; p3=strchr(p2,'&'); if(p3==NULL) p3=p2+strlen(p2);
		764	if(p3-p2>=buflen) return; /* too long */
		765	memmove(buf,p2, p3-p2); buf[p3-p2]=0; return;
10	reyssat	766	}
		767	}
		768
8213	bpr	769	/* Create href to wims requests. subst() is not done. */
10	reyssat	770	void exec_href(char *p)
		771	{
2026	bpr	772	char s, st[128], sti[128], stc[128], stt[128], p1, p2, p3, *wn="";
6186	bpr	773	char *U="<span style=\"color:#A0A0C0;text-decoration:underline;\">%s</span>";
10	reyssat	774	char b1[MAX_LINELEN+1], b2[MAX_LINELEN+1];
		775	int new=0;
		776	if(!outputing) return;
		777	href_find_target(p);
		778	p1=find_word_start(p);
		779	p2=find_word_end(p1); if(p2) (p2++)=0;
		780	mystrncpy(b1,p1,sizeof(b1));
		781	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		782	substit(b1); substit(b2);
7379	bpr	783	/* standard reference */
10	reyssat	784	if(*b2==0 && strchr(b1,'=')==NULL) {
7379	bpr	785	char b[MAX_LINELEN+1], *ll;
		786	p1=find_word_start(b1); *find_word_end(p1)=0;
		787	if(*p1==0 \|\| strlen(p1)>64) return;
		788	ll=getvar("module_language");
		789	if(ll==NULL \|\| ll==0 \|\| (ll+1)==0 \|\| *(ll+2)!=0) ll=lang;
		790	accessfile(b,"r","html/href.%s",ll);
		791	memmove(p1+1,p1,64); *p1='\n'; strcat(p1," ");
		792	p2=strstr(b,p1); if(p2==NULL) return;
		793	p1=find_word_start(p2+strlen(p1)); p2=find_word_end(p1);
		794	if(p2) (p2++)=0;
		795	p3=strchr(p2,'\n'); if(p3!=NULL) *p3=0;
		796	mystrncpy(b1,p1,sizeof(b1));
		797	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		798	substit(b1); substit(b2);
10	reyssat	799	}
7379	bpr	800	/* for robots: only references without defining cmd. */
10	reyssat	801	if(robot_access && strstr(b1,"cmd=")!=NULL &&
		802	strstr(b1,"module=adm/doc")==NULL) {
7379	bpr	803	_output_(b2); return;
10	reyssat	804	}
		805	if(robot_access && strstr(aliased_cgi,"yes")!=NULL) {
7379	bpr	806	char mbuf[256], lbuf[16];
		807	_href_getdef(b1,"module",mbuf,sizeof(mbuf));
		808	if(mbuf[0]==0) mystrncpy(mbuf,home_module,sizeof(mbuf));
		809	_href_getdef(b1,"lang",lbuf,sizeof(lbuf));
		810	if(strlen(lbuf)!=2) {mystrncpy(lbuf,lang,4);lbuf[2]=0;}
		811	if(strncmp(mbuf,"adm/doc",strlen("adm/doc"))==0) {
		812	char dbuf[256], bbuf[256];
		813	_href_getdef(b1,"doc",dbuf,sizeof(dbuf));
		814	_href_getdef(b1,"block",bbuf,sizeof(bbuf));
		815	if(!myisdigit(dbuf[0])) dbuf[0]=0;
		816	if(dbuf[0]!=0 && bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"main");
		817	if(dbuf[0]==0)
		818	output("<a href=\"%s%s_doc~.html\">%s</a>", ref_base,lbuf,b2);
		819	else
		820	output("<a href=\"%s%s_doc~%s~%s.html\">%s</a>",
		821	ref_base,lbuf,dbuf,bbuf,b2);
		822	}
		823	else {
		824	for(s=strchr(mbuf,'/'); s!=NULL; s=strchr(s+1,'/')) *s='~';
		825	output("<a href=\"%s%s_%s.html\">%s</a>", ref_base,lbuf,mbuf,b2);
		826	}
		827	return;
10	reyssat	828	}
1363	bpr	829	s=getvar("wims_ref_id");
		830	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	831	snprintf(sti,sizeof(sti)," id=\"%s\"",s);
1363	bpr	832	}
		833	else sti[0]=0;
7379	bpr	834
1363	bpr	835	s=getvar("wims_ref_class");
		836	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	837	snprintf(stc,sizeof(stc)," class=\"%s\"",s);
1363	bpr	838	}
		839	else stc[0]=0;
7379	bpr	840
2026	bpr	841	s=getvar("wims_ref_title");
		842	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	843	snprintf(stt,sizeof(stt)," title=\"%s\"",s);
2026	bpr	844	}
		845	else stt[0]=0;
7379	bpr	846
10	reyssat	847	s=getvar("wims_ref_target");
		848	if(href_target[0]!=0) s=href_target;
		849	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	850	snprintf(st,sizeof(st)," target=\"%s\"",s);
		851	if(strcmp(s,"_parent")!=0) {
		852	new=1; wn="wims_window=new&";
		853	}
10	reyssat	854	}
		855	else st[0]=0;
		856	_httpfollow(b1,wn,new);
		857	tohttpquery(b1);
		858	if(strstr(session_prefix,"_check")!=NULL) {
7379	bpr	859	if(*b2) output(U,b2);
		860	else _output_("<a id=\"0\"></a>");
		861	return;
10	reyssat	862	}
		863	if(jsbuf[0]==0 && st[0]==0 && strstr(session_prefix,"_exam")!=NULL) {
7407	bpr	864	p1=strstr(b1,"cmd=");
7379	bpr	865	if(p1!=NULL) {
		866	p1+=strlen("cmd=");
		867	if(strncmp(p1,"new",3)==0 \|\| strncmp(p1,"renew",5)==0 \|\|
		868	strncmp(p1,"intro",5)==0) {
		869	if(*b2) output(U,b2);
		870	else _output_("<a id=\"#\"></a>");
		871	return;
		872	}
		873	}
10	reyssat	874	}
		875	if(*b2)
2026	bpr	876	output("<a href=\"%s?%s\"%s%s %s %s %s>%s</a>",
7379	bpr	877	ref_name, b1, st, jsbuf,sti,stc,stt,b2);
10	reyssat	878	else
2026	bpr	879	output("<a href=\"%s?%s\"%s%s %s %s %s>",ref_name, b1, st, jsbuf,sti,stc,stt);
		880	setvar("wims_ref_id","");
		881	setvar("wims_ref_class","");
		882	setvar("wims_ref_title","");
10	reyssat	883	}
		884
8213	bpr	885	/* Create form refering to the page. */
10	reyssat	886	void exec_form(char *p)
		887	{
		888	char s, p1, p2, a, m, opt, st[128], *wn="";
		889	char abuf[128];
		890	int i, new=0;
		891	if(!outputing) return;
		892	href_find_target(p);
		893	s=getvar("wims_ref_target");
		894	if(href_target[0]!=0) s=href_target;
		895	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	896	snprintf(st,sizeof(st)," target=\"%s\"",s);
		897	if(strcmp(s,"_parent")!=0) {
		898	new=1; wn="<input type=\"hidden\" name=\"wims_window\" value=\"yes\" />\n";
		899	}
10	reyssat	900	}
		901	else st[0]=0;
		902	a=getvar("wims_ref_anchor"); if(a==NULL) a="";
		903	opt=find_word_start(find_word_end(find_word_start(p)));
		904	m=getvar("wims_form_method");
		905	if(m!=NULL) {
7379	bpr	906	m=find_word_start(m);
		907	if(strncasecmp(m,"post",4)==0) m="post";
		908	else if(strncasecmp(m,"get",3)==0) m="get";
		909	else if(strncasecmp(m,"file",4)==0) {
		910	m="post\" enctype=\"multipart/form-data";
		911	snprintf(abuf,sizeof(abuf),"?form-data%ld%s",random(),a); a=abuf;
		912	force_setvar("wims_form_method","");
		913	}
		914	else m=default_form_method;
10	reyssat	915	}
		916	else m=default_form_method;
		917	if(strstr(session_prefix,"_check")!=NULL) {
7379	bpr	918	output("<form action=\"NON_EXISTING_PAGE\" onsubmit=\"window.close();\" %s>\n",
		919	opt);
		920	return;
10	reyssat	921	}
7557	obado	922	output("<form action=\"%s%s\"%s method=\"%s\" %s>\n<div class='wims_form'>%s",ref_name,a,st,m,opt,wn);
10	reyssat	923	if(a!=abuf && a[0]) force_setvar("wims_ref_anchor","");
		924	for(i=0;i<follow_no;i++) {
7379	bpr	925	if(robot_access && follow_list[i]==ro_session) continue;
		926	if(!new && follow_list[i]!=ro_session
		927	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		928	continue;
		929	if(follow_list[i]==ro_module) continue;
		930	s=getvar(ro_name[follow_list[i]]);
		931	if(s!=NULL && *s!=0) {
		932	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		933	char st[MAX_LINELEN+1];
		934	char *s1;
		935	s1=getvar("wims_session");
		936	if(s1==NULL) internal_error("exec_form() error.\n");
		937	snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		938	s=st;
		939	}
		940	output("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
		941	ro_name[follow_list[i]],s);
		942	}
10	reyssat	943	}
		944	p1=find_word_start(p);p2=find_word_end(p1);
		945	if(p2>p1) {
7379	bpr	946	char buf[64];
		947	int i;
		948	i=p2-p1; if(i>60) i=60;
		949	memmove(buf,p1,i);buf[i]=0;
		950	for(i=0;i<CMD_NO && strcmp(buf,commands[i]);i++);
		951	if(i<CMD_NO) {
		952	output("<input type=\"hidden\" name=\"cmd\" value=\"%s\" />\n",buf);
		953	if(i!=cmd_intro && i!=cmd_new)
		954	output("<input type=\"hidden\" name=\"module\" value=\"%s\" />\n",
		955	getvar(ro_name[ro_module]));
		956	}
		957	}
10	reyssat	958	}
		959
8213	bpr	960	/* Creat link to trap robot access, an internal command
		961	* which should not be documented
		962	*/
10	reyssat	963	void exec_robottrap(char *p)
		964	{
		965	char buf[MAX_LINELEN+1];
		966	if(robot_access) return;
3718	reyssat	967	ovlstrcpy(buf,"session=$wims_session.1&module=adm/trap");
7557	obado	968	_output_("<!-- "); exec_href(buf);_output_("Robot trapper, do not click!</a> -->");
		969	_output_("<div class='wimstrap'>");exec_href(buf); _output_("<span></span></a></div>");
10	reyssat	970	}
		971
8213	bpr	972	/* set definitions in a file. Trusted modules only. */
10	reyssat	973	void exec_setdef(char *p)
		974	{
		975	char p1, pp;
		976	char nbuf[MAX_LINELEN+1], fbuf[MAX_LINELEN+1], tbuf[MAX_LINELEN+1];
		977	if(robot_access \|\| !trusted_module() \|\| is_class_module) return;
		978	p1=wordchr(p,"in"); if(p1==NULL) module_error("syntax_error");
		979	*p1=0; p1=find_word_start(p1+strlen("in"));
3718	reyssat	980	ovlstrcpy(nbuf,p);
10	reyssat	981	mystrncpy(tbuf,p1,sizeof(tbuf));
		982	substit(nbuf); substit(tbuf);
		983	if(find_module_file(tbuf,fbuf,1)) return;
		984	pp=find_word_start(nbuf); p1=find_word_start(fbuf); *find_word_end(p1)=0;
		985	strip_trailing_spaces(pp);
		986	setdef(p1,pp);
		987	}
		988
8213	bpr	989	/* Set a variable. */
10	reyssat	990	void exec_set(char *name)
		991	{
		992	char p, defn, *parm;
		993	char tbuf2[MAX_LINELEN+1], namebuf[MAX_LINELEN+1];
		994	int i;
		995
		996	p=strchr(name,'=');
		997	if(p==NULL) return; /* warning or error! */
		998	*p=0; defn=find_word_start(p+1);
		999	*find_word_end(name)=0;
		1000	mystrncpy(namebuf,find_word_start(name),sizeof(namebuf));
8213	bpr	1001	/* we allow substit in names, to implement array */
7379	bpr	1002	substit(namebuf); *find_word_end(namebuf)=0;
10	reyssat	1003	if(*defn!=calc_prefix_char) {
7379	bpr	1004	/* substitute by default */
		1005	mystrncpy(tbuf2,defn,sizeof(tbuf2));
		1006	substit(tbuf2); setvar(namebuf,tbuf2); return;
10	reyssat	1007	}
7379	bpr	1008	/* called from !readdef */
10	reyssat	1009	if((untrust&4)!=0) module_error("not_trusted");
7379	bpr	1010	/* definition is a command */
		1011	parm=find_word_end(defn+1);
10	reyssat	1012	if( parm != 0 ) { parm=0; parm=find_word_start(parm+1); }
		1013	i=m_file.lines[m_file.l].varcode;
		1014	if(i<0) {
7379	bpr	1015	i=search_list(calc_routine,CALC_FN_NO,sizeof(calc_routine[0]),defn+1);
		1016	m_file.lines[m_file.l].varcode=i;
10	reyssat	1017	}
		1018	if(i<0) {
7379	bpr	1019	/* replace by warning? */
		1020	setvar(error_data_string,defn+1); module_error("bad_cmd");
		1021	return;
10	reyssat	1022	}
		1023	mystrncpy(tbuf2,parm,sizeof(tbuf2)); execnt++;
		1024	if(calc_routine[i].tag==0) substit(tbuf2);
		1025	tbuf2[sizeof(tbuf2)-1]=0; calc_routine[i].routine(tbuf2);
7379	bpr	1026	/* remove trailing new line */
10	reyssat	1027	tbuf2[sizeof(tbuf2)-1]=0;
		1028	if(tbuf2[strlen(tbuf2)-1]=='\n') tbuf2[strlen(tbuf2)-1]=0;
		1029	setvar(namebuf,tbuf2);
		1030	}
		1031
8213	bpr	1032	/* set but do not overwrite. */
10	reyssat	1033	void exec_default(char *p)
		1034	{
		1035	char start, end, c, *pp;
		1036	char namebuf[MAX_LINELEN+1];
		1037	start=find_word_start(p);
		1038	for(end=start;end!=0 && !isspace(end) && *end!='='; end++);
		1039	c=end; end=0;
		1040	if(end-start<=MAX_LINELEN-1) {
7379	bpr	1041	memmove(namebuf,start,end-start+1); substit(namebuf);
		1042	pp=getvar(namebuf);
		1043	if(pp!=NULL && *pp!=0) return;
10	reyssat	1044	}
		1045	*end=c; exec_set(p);
		1046	}
		1047
8213	bpr	1048	/* Does nothing; just a comment. */
10	reyssat	1049	void exec_comment(char *p)
		1050	{
		1051	return;
		1052	}
		1053
8213	bpr	1054	/* Exit the file under interpretation */
10	reyssat	1055	void exec_exit(char *p)
		1056	{
		1057	m_file.linepointer=m_file.linecnt;
		1058	return;
		1059	}
		1060
8213	bpr	1061	/* output a file. Undocumented. Aliases:
7379	bpr	1062	* getfile, outfile, fileout */
10	reyssat	1063	void exec_getfile(char *p)
		1064	{
		1065	char s, p1, url[MAX_LINELEN+1];
		1066	char *prompt;
7379	bpr	1067
10	reyssat	1068	p=find_word_start(p); prompt=find_word_end(p);
		1069	if(prompt!=0) prompt++=0;
		1070	prompt=find_word_start(prompt);
		1071	if(*p==0 \|\| !outputing) return;
		1072	if(!trusted_module() \|\| is_class_module) return;
		1073	s=getvar(ro_name[ro_session]);
		1074	if(s==NULL \|\| *s==0 \|\| strstr(s,"robot")!=NULL) return;
		1075	mystrncpy(url,ref_name,sizeof(url));
		1076	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1077	if(good_httpd) snprintf(p1,sizeof(url)+p1-url,
7379	bpr	1078	"getfile/%s?&+session=%s&+modif=%ld",
		1079	p,s,nowtime);
10	reyssat	1080	else snprintf(url,sizeof(url),
7379	bpr	1081	"%s?cmd=getfile&+session=%s&+special_parm=%s&+modif=%ld",
		1082	ref_name,s,p,nowtime);
10	reyssat	1083	snprintf(jsbuf,sizeof(jsbuf),jsstr,"wims_file","wims_file");
1050	bpr	1084	if(*prompt) output("<a href=\"%s\">%s</a>\n", url,prompt);
1119	bpr	1085	else output("<a href=\"%s\"></a>",url);
10	reyssat	1086	}
		1087
8213	bpr	1088	/* internal */
10	reyssat	1089	void count_insert(void)
		1090	{
		1091	insert_no++;
		1092	if(insert_no>=INS_LIMIT) module_error("too_many_ins");
		1093	}
		1094
		1095	int animated_ins=0;
		1096	int grouped_ins=0;
		1097
8185	bpr	1098	/* generic insertion */
10	reyssat	1099	void _exec_ins(char p, char script_name,char *format)
		1100	{
		1101	char s, b, at, tag, tag2, al, fmt, mh;
		1102	char p1, pt;
		1103	char buf[1024],buf2[1024],url[MAX_LINELEN+1],altbuf[1024];
		1104	char outbuf[1024];
		1105	int border, middle, vspace;
		1106	long int tel;
		1107
		1108	if(robot_access) return;
		1109	count_insert(); outbuf[0]=0;
		1110	setenv("ins_source",p,1); /* value kept from user tamper */
		1111	if(animated_ins) fmt=getvar("anim_format"); else fmt=format;
		1112	if(fmt==NULL) fmt="gif";
		1113	if(ismhelp) mh="mh"; else mh="";
		1114	snprintf(buf,sizeof(buf),"%s/insert%s-%d.%s",s2_prefix,mh,insert_no,fmt);
		1115	if(grouped_ins) {unlink(buf); goto grouped;}
		1116	exportall();
		1117	call_ssh("%s/%s %d %s >%s/ins.out 2>%s/ins.err",
7379	bpr	1118	bin_dir,script_name,insert_no,tmp_dir,tmp_dir,tmp_dir);
10	reyssat	1119	unlink(buf); wrapexec=1;
		1120	if(trusted_module()) setenv("trusted_module","yes",1);
		1121	else if(untrust) setenv("trusted_module","no",1);
		1122	call_ssh("mv %s/insert%s-%d.%s %s >/dev/null 2>/dev/null",
7379	bpr	1123	tmp_dir,mh,insert_no,fmt,s2_prefix);
10	reyssat	1124	tel=filelength("%s", buf);
		1125	if(tel<=5) {
7379	bpr	1126	char bbuf[MAX_LINELEN+1];
		1127	accessfile(bbuf,"r","%s/ins.err",tmp_dir);
		1128	snprintf(url,sizeof(url),"gifs/badins.gif");
		1129	for(p1=bbuf;p1<bbuf+512 && *p1;p1++)
		1130	if(p1=='<' \|\| p1=='>') *p1='?';
		1131	*p1=0;
		1132	if(bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"Fail");
		1133	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1134	" <img src=\"%s\" alt=\"Error\" /> <small><pre>%s</pre></small> <br /> ",
		1135	url,bbuf);
		1136	setvar("ins_warn","fail");
		1137	setvar("ins_cnt","0");
		1138	goto reset;
10	reyssat	1139	}
		1140	grouped:
		1141	s=getvar(ro_name[ro_session]);
		1142	b=getvar("ins_border"); at=getvar("ins_attr");
		1143	tag=getvar("ins_tag"); al=getvar("ins_align");
		1144	if(at==NULL) at="";
		1145	if(tag==NULL) tag="";
		1146	if(al==NULL) al="";al=find_word_start(al);
6265	bpr	1147	if(*al!=0) snprintf(buf2,sizeof(buf2),"vertical-align:%s",al); else buf2[0]=0;
10	reyssat	1148	if(strcasecmp(al,"middle")==0) middle=1; else middle=0;
		1149	tag2=""; vspace=0;
		1150	if(*tag!=0) {
7379	bpr	1151	mystrncpy(buf,tag,sizeof(buf)); tag=find_word_start(buf);
		1152	tag2=find_word_end(tag);
		1153	if(tag2!=0) tag2++=0;
		1154	tag2=find_word_start(tag2);
10	reyssat	1155	}
		1156	if(b==NULL \|\| *b==0) border=0;
		1157	else border=atoi(b);
		1158	if(border<0) border=0; if(border>100) border=100;
		1159	if(middle) {
7379	bpr	1160	snprintf(outbuf+strlen(outbuf),
		1161	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup1);
		1162	vspace=2;
10	reyssat	1163	}
		1164	mystrncpy(url,ref_name,sizeof(url));
		1165	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1166	snprintf(p1,sizeof(url)+p1-url,
7379	bpr	1167	"wims.%s?cmd=getins&+session=%s&+special_parm=insert%s-%d.%s&+modif=%ld",
		1168	fmt,s,mh,insert_no,fmt,nowtime);
10	reyssat	1169	if(strchr(ins_alt,'"')!=NULL \|\| strlen(ins_alt)>256) ins_alt[0]=0;
		1170	pt=getvar("wims_ins_alt"); if(pt==NULL) pt="";
		1171	if(ins_alt[0] && strcmp(pt,"none")!=0)
3522	bpr	1172	snprintf(altbuf,sizeof(altbuf)," alt=\"%s\"",ins_alt);
		1173	else snprintf(altbuf,sizeof(altbuf)," alt=\"\"");
10	reyssat	1174	if(strcasecmp(tag,"form")!=0) {
7379	bpr	1175	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1176	"<img src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1177	url, border, vspace, buf2, at, altbuf);
10	reyssat	1178	}
		1179	else {
7379	bpr	1180	char n, nend;
6168	bpr	1181	/* fix: add quotes at name=" " */
7379	bpr	1182	if(*tag2!=0) {n="name=\"" ; nend="\"";} else {n=""; nend="";}
		1183	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1184	"<input type=\"image\" %s%s%s src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1185	n,tag2,nend,url,border,vspace,buf2,at,altbuf);
10	reyssat	1186	}
		1187	if(middle) snprintf(outbuf+strlen(outbuf),
7379	bpr	1188	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup2);
10	reyssat	1189	setvar("ins_warn",""); ins_alt[0]=0;
		1190	setvar("ins_cnt",int2str(insert_no));
		1191	reset:
		1192	if(outputing) _output_(outbuf);
		1193	setvar("ins_out",outbuf);
		1194	setvar("ins_attr",""); setvar("ins_tag","");
		1195	setvar("ins_url",url);
		1196	snprintf(buf2,sizeof(buf2),"insert%s-%d.%s",mh,insert_no,fmt);
		1197	setvar("ins_filename",buf2);
		1198	animated_ins=0;
		1199	}
		1200
8155	bpr	1201	/* instex: dynamically insert tex outputs */
10	reyssat	1202	void exec_instex(char *p)
		1203	{
		1204	char ts, tc, f, mh, buf[MAX_FNAME+1];
7379	bpr	1205
10	reyssat	1206	if(robot_access) {
7379	bpr	1207	*p=0; return;
10	reyssat	1208	}
		1209	f=instex_check_static(p); substit(p);
		1210	if(f==NULL) {
8155	bpr	1211	/* Use static instex if there is no real substitution
		1212	* and the source file is not in sessions directory.
		1213	*/
7379	bpr	1214	calc_instexst(p); if(outputing) _output_(p);
		1215	return;
10	reyssat	1216	}
		1217	if(ismhelp) mh="mh"; else mh="";
		1218	fix_tex_size(); f="gif";
		1219	setenv("texgif_style",instex_style,1);
3415	bpr	1220	tc=getvar("instex_texheader"); if (tc) { setenv("texgif_texheader",tc,1);}
10	reyssat	1221	setenv("texgif_tmpdir",tmp_dir,1);
		1222	setenv("texgif_src",p,1);
		1223	if(ins_alt[0]==0) mystrncpy(ins_alt,p,sizeof(ins_alt));
		1224	mkfname(buf,"%s/insert%s-%d.gif",tmp_dir,mh,insert_no+1);
		1225	setenv("texgif_outfile",buf,1);
		1226	ts=getvar("wims_texsize"); tc=getvar("instex_color");
7379	bpr	1227	if(lastout_file!=-1 && (tc==NULL \|\| *tc==0) &&
10	reyssat	1228	(ts==NULL \|\| *ts==0 \|\| strcmp(ts,"0")==0) &&
		1229	strstr(p,"\\begin{")==NULL) {
7379	bpr	1230	int ls, ln;
		1231	char *pagebreak;
		1232	ls=strlen(instex_src); ln=strlen(instex_fname);
		1233	if(ls+strlen(p)>=MAX_LINELEN-256 \|\|
		1234	ln+strlen(buf)>=MAX_LINELEN-16) {
		1235	instex_flush(); ls=ln=0;
		1236	}
		1237	if(instex_cnt>0) pagebreak="\\pagebreak\n"; else pagebreak="";
		1238	snprintf(instex_src+ls,MAX_LINELEN-ls,"%s %s %s %s\n",
		1239	pagebreak,instex_style,p,instex_style);
		1240	snprintf(instex_fname+ln,MAX_LINELEN-ln,"%s\n",buf);
		1241	grouped_ins=1;
10	reyssat	1242	}
		1243	mkfname(buf,"%s/texgif.dvi",tmp_dir); unlink(buf);
		1244	wrapexec=0; _exec_ins(p,instex_processor,f);
		1245	if(grouped_ins) instex_cnt++;
		1246	grouped_ins=0;
		1247	}
		1248
8152	bpr	1249	/* patches the gnuplot integer division (mis)feature. */
10	reyssat	1250	void gnuplot_patch(char *p,int oneline)
		1251	{
		1252	char *pp;
		1253	for(pp=strchr(p,'/');pp!=NULL;pp=strchr(pp+1,'/')) {
7379	bpr	1254	char *p1;
		1255	if(pp<=p \|\| !myisdigit((pp-1)) \|\| !myisdigit((pp+1))) continue;
		1256	for(p1=pp-2;p1>=p && myisdigit(*p1);p1--);
		1257	if(p1>=p && *p1=='.') continue;
		1258	for(p1=pp+2;p1 && myisdigit(p1);p1++);
		1259	if(*p1=='.') continue;
		1260	string_modify(p,p1,p1,".0");
10	reyssat	1261	}
		1262	for(pp=strchr(p,'^');pp!=NULL;pp=strchr(pp+1,'^'))
		1263	string_modify(p,pp,pp+1,"**");
8155	bpr	1264	/* disallow new lines and ';' */
10	reyssat	1265	if(oneline)
		1266	for(pp=p;pp!=0;pp++) if(pp==';' \|\| pp=='\n') pp=' ';
		1267	}
		1268
8152	bpr	1269	/* This is to disable pipe in the gnuplot plotting function.
		1270	* We do not allow ' followed by < .
		1271	*/
10	reyssat	1272	void prepare_insplot_parm(char *p)
		1273	{
		1274	int i,j,multanim; char pp, s;
		1275	double d;
		1276	char setbuf[MAX_LINELEN+10],buf[MAX_LINELEN+1];
7379	bpr	1277
10	reyssat	1278	j=strlen(p);
8155	bpr	1279	/* pipe in plot command */
10	reyssat	1280	for(i=0;i<j;i++) {
7379	bpr	1281	if((p+i)!='\'' && (p+i)!='"') continue;
		1282	pp=find_word_start(p+i+1); if(*pp=='<') module_error("illegal_plot_cmd");
10	reyssat	1283	}
		1284	gnuplot_patch(p,1);
8155	bpr	1285	/* multiplot */
10	reyssat	1286	multanim=0;
		1287	pp=getvar("insplot_split");
		1288	if(pp!=NULL) i=linenum(pp); else i=0;
8155	bpr	1289	/* arbitrary limit: 16 multiplots */
10	reyssat	1290	if(i>16) i=16;
		1291	if(i>1) {
7379	bpr	1292	char tbuf[MAX_LINELEN*(i+1)+100], bbuf[MAX_LINELEN+1];
		1293	tbuf[0]=0;
		1294	if(*p!=0) snprintf(tbuf,sizeof(tbuf),"%s\n",p);
		1295	snprintf(buf,sizeof(buf),"%d",i); setenv("multiplot",buf,1);
		1296	for(j=1;j<=i;j++) {
		1297	snprintf(buf,sizeof(buf),"insplot_parm_%d",j);
		1298	pp=getvar(buf);
		1299	if(pp==NULL \|\| *pp==0) {
		1300	if(j==1 && *p!=0) continue;
		1301	pp="";
		1302	}
		1303	else {
		1304	mystrncpy(bbuf,pp,sizeof(bbuf));
		1305	gnuplot_patch(bbuf,1);
		1306	}
		1307	strcat(tbuf,bbuf);strcat(tbuf,"\n");
		1308	}
		1309	setenv("insplot_source",tbuf,1);
		1310	if(varchr(tbuf,"s")!=NULL) multanim=1;
10	reyssat	1311	}
8155	bpr	1312	/* no illegal chaining */
10	reyssat	1313	pp=getvar("insplot_font"); if(pp!=NULL) {
7379	bpr	1314	for(s=pp;s<pp+MAX_LINELEN && *s;s++)
		1315	if(s==';' \|\| s=='\n' \|\| s==' ') s=0;
		1316	if(s>=pp+MAX_LINELEN) *s=0;
		1317	setvar("insplot_font",pp);
10	reyssat	1318	}
		1319	pp=getvar("insplot_set"); if(pp!=NULL) {
7379	bpr	1320	char tbuf[MAX_LINELEN+1];
		1321	mystrncpy(tbuf,pp,sizeof(tbuf));
		1322	i=strlen(tbuf)-1;
		1323	while(i>0 && isspace(tbuf[i])) i--;
		1324	if(tbuf[i]==';') tbuf[i]=0;
		1325	gnuplot_patch(tbuf,0);pp=tbuf;
		1326	ovlstrcpy(setbuf,"set "); j=strlen("set ");
		1327	for(i=0; *(pp+i)!=0 && j<MAX_LINELEN; i++) {
		1328	if(*(pp+i)=='\n') {setbuf[j++]=' '; continue;}
		1329	if((pp+i)!=';') {setbuf[j++]=(pp+i); continue;}
		1330	ovlstrcpy(setbuf+j,"\nset "); j+=strlen("\nset ");
		1331	}
		1332	setbuf[j]=0;
		1333	setenv("insplot_set",setbuf,1);
10	reyssat	1334	}
		1335	else setenv("insplot_set","",1);
8155	bpr	1336	/* frames of animation */
10	reyssat	1337	pp=getvar("ins_anim_frames");
		1338	if(pp!=NULL) i=evalue(pp); else i=1;
		1339	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1; if(i<1) i=1;
		1340	if(strstr(setbuf,"step")==NULL && strstr(p,"step")==NULL
		1341	&& varchr(setbuf,"s")==NULL && varchr(p,"s")==NULL && !multanim) i=1;
		1342	setenv("ins_anim_frames",int2str(i),1);
		1343	setvar("ins_anim_frames","");
		1344	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1345	else setvar("ins_animation","no");
8155	bpr	1346	/* delay of animation */
10	reyssat	1347	pp=getvar("ins_anim_delay");
		1348	if(pp!=NULL) d=evalue(pp); else d=0;
		1349	if(d>=10) d=10; if(d<0) d=0;
		1350	setenv("ins_anim_delay",int2str(d*100),1);
		1351	}
		1352
8152	bpr	1353	/* Insert dynamic 2d plot */
10	reyssat	1354	void exec_insplot(char *p)
		1355	{
		1356	char *fmt;
		1357	if(robot_access) {
7379	bpr	1358	*p=0; return;
10	reyssat	1359	}
		1360	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1361	prepare_insplot_parm(p); setenv("insplot_method","2D",1);
		1362	_exec_ins(p,insplot_processor,fmt);
		1363	wrapexec=1;
		1364	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
		1365	unsetenv("multiplot"); setvar("insplot_split","");
		1366	}
		1367
8213	bpr	1368	/* Insert dynamic 3d plot */
10	reyssat	1369	void exec_insplot3d(char *p)
		1370	{
		1371	char *fmt;
		1372	if(robot_access) {
7370	bpr	1373	*p=0; return;
10	reyssat	1374	}
		1375	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1376	prepare_insplot_parm(p); setenv("insplot_method","3D",1);
		1377	_exec_ins(p,insplot_processor,fmt);
		1378	wrapexec=1;
		1379	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
		1380	unsetenv("multiplot");setvar("insplot_split","");
		1381	}
		1382
8155	bpr	1383	/* Insert dynamic gif draw. The parm preparation is specific to fly. */
10	reyssat	1384	void exec_insdraw(char *p)
		1385	{
		1386	char pp, fmt;
		1387	int i;
		1388	double d;
7379	bpr	1389
10	reyssat	1390	if(robot_access) {
7370	bpr	1391	*p=0; return;
10	reyssat	1392	}
7370	bpr	1393	/* calc_tolower(p);*/
10	reyssat	1394	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1395	while((pp=wordchr(p,"output"))!=NULL) memmove(pp,"zqkwfx",6);
8155	bpr	1396	/* frames of animation */
10	reyssat	1397	pp=getvar("ins_anim_frames");
		1398	if(pp!=NULL) i=evalue(pp); else i=1;
		1399	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1; if(i<1) i=1;
		1400	if(i>1 && varchr(p,"s")==NULL && varchr(p,"animstep")==NULL
		1401	&& varchr(p,"step")==NULL) i=1;
		1402	setenv("ins_anim_frames",int2str(i),1);
		1403	setvar("ins_anim_frames","");
		1404	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1405	else setvar("ins_animation","no");
8155	bpr	1406	/* delay of animation */
10	reyssat	1407	pp=getvar("ins_anim_delay");
		1408	if(pp!=NULL) d=evalue(pp); else d=0;
		1409	if(d>=10) d=10; if(d<0) d=0;
		1410	setenv("ins_anim_delay",int2str(d*100),1);
		1411	pp=getvar("insdraw_filebase");
		1412	if(pp!=NULL && strstr(pp,parent_dir_string)!=NULL)
		1413	setvar("insdraw_filebase","");
		1414	_exec_ins(p,insdraw_processor,fmt);
		1415	}
		1416
		1417	void exec_increase(char *p)
		1418	{
		1419	char p1, p2;
		1420	p1=find_word_start(p); p2=find_word_end(p1);
		1421	if(p2<=p1) {
7370	bpr	1422	*p=0; return;
10	reyssat	1423	}
		1424	*p2=0;p2=getvar(p1);
		1425	if(p2==NULL) p2="";
		1426	setvar(p1,int2str(atoi(p2)+1)); *p=0;
		1427	}
		1428
7370	bpr	1429	/* bound a variable */
10	reyssat	1430	void exec_bound(char *p)
		1431	{
		1432	char p1, p2, *p3;
		1433	int doub,i,bcnt,defaulted;
		1434	double d1,d2,dd,val;
		1435	char nbuf[MAX_LINELEN+1],lbuf[MAX_LINELEN+1],dbuf[MAX_LINELEN+1];
		1436	char vbuf[MAX_LINELEN+1];
		1437	char *blist[2048];
7379	bpr	1438
10	reyssat	1439	p1=find_word_start(p); p2=find_word_end(p1);
		1440	if(*p2==0) {
7379	bpr	1441	syntax: module_error("syntax_error");
10	reyssat	1442	}
3718	reyssat	1443	*p2=0; ovlstrcpy(nbuf,p1);substit(nbuf); p1=find_word_start(p2+1);
10	reyssat	1444	p2=getvar(nbuf);if(p2==NULL) p2="";
		1445	mystrncpy(vbuf,find_word_start(p2),sizeof(vbuf));
		1446	strip_trailing_spaces(vbuf);
		1447	p2=find_word_end(p1); if(*p2==0) goto syntax;
		1448	*p2=0;p2++;
		1449	p3=wordchr(p2,"default");
		1450	if(p3!=NULL) {
7379	bpr	1451	*p3=0; defaulted=1;
		1452	p3=find_word_start(p3+strlen("default"));
		1453	ovlstrcpy(dbuf,p3); substit(dbuf);
10	reyssat	1454	}
		1455	else defaulted=0;
		1456	if(strcmp(p1,"between")==0) {
7379	bpr	1457	p1=find_word_start(p2);
		1458	i=strlen("integer");
		1459	if(strncmp(p1,"integer",i)==0 &&
		1460	(isspace((p1+i)) \|\| ((p1+i)=='s' && isspace(*(p1+i+1))))) {
		1461	doub=0; p1=find_word_start(find_word_end(p1));
		1462	val=rint(evalue(vbuf));
		1463	if(vbuf[0]) float2str(val,vbuf);
		1464	}
		1465	else {
		1466	doub=1;val=evalue(vbuf);
		1467	}
		1468	p2=wordchr(p1,"and"); p3=p2+strlen("and");
		1469	if(p2==NULL) {
		1470	p2=strchr(p1,','); p3=p2+1;
		1471	}
		1472	if(p2==NULL) goto syntax;
		1473	*p2=0;p2=find_word_start(p3);
		1474	if(p1==0 \|\| p2==0) goto syntax;
		1475	d1=evalue(p1);d2=evalue(p2);
8171	bpr	1476	if(!isfinite(d1) \|\| !isfinite(d2) \|\|
7379	bpr	1477	abs(d1)>(double)(1E10) \|\| abs(d2)>(double)(1E10)) goto syntax;
		1478	if(d1>d2) {
		1479	dd=d1;d1=d2;d2=dd;
		1480	}
		1481	if(vbuf[0] && val<=d2 && val>=d1) {
		1482	if(!doub) setvar(nbuf,vbuf);
		1483	*p=0; return;
		1484	}
		1485	if(defaulted) ovlstrcpy(p,dbuf);
		1486	else {
		1487	if(!doub) {
		1488	d1=ceil(d1);d2=floor(d2);
		1489	}
		1490	if(vbuf[0]==0 \|\| val<d1) val=d1;
		1491	else val=d2;
		1492	float2str(val,p);
		1493	}
		1494	setvar(nbuf,p); *p=0; return;
10	reyssat	1495	}
		1496	else {
7379	bpr	1497	if(strcmp(p1,"within")==0 \|\| strcmp(p1,"among")==0) {
		1498	ovlstrcpy(lbuf,p2);substit(lbuf);
		1499	bcnt=cutitems(lbuf,blist,2048);
		1500	if(bcnt<=0) {
		1501	*p=0; return;
		1502	}
		1503	for(i=0;i<bcnt;i++) {
		1504	if(strcmp(blist[i],vbuf)==0) {
		1505	*p=0; return;
		1506	}
		1507	}
		1508	if(defaulted) ovlstrcpy(p,dbuf); else ovlstrcpy(p,blist[0]);
		1509	setvar(nbuf,p); *p=0;
		1510	return;
10	reyssat	1511	}
7379	bpr	1512	else goto syntax;
		1513	}
10	reyssat	1514	}
		1515
8155	bpr	1516	/* detrust the module. */
10	reyssat	1517	void exec_detrust(char *p)
7379	bpr	1518	{ untrust\|=1; *p=0; }
10	reyssat	1519
		1520	void exec_warn(char *p)
		1521	{
		1522	char p1,p2;
		1523	char buf[MAX_FNAME+1];
		1524	WORKING_FILE save;
		1525
		1526	if(!outputing) goto end;
		1527	p1=find_word_start(p);p2=find_word_end(p1);
		1528	if(p2<=p1) goto end;
		1529	*p2=0;
		1530	snprintf(buf,sizeof(buf),"wims_warn_%s",p1);
		1531	p2=getvar(buf);
		1532	if(p2==NULL \|\| *p2==0) goto end;
		1533	p2=getvar("module_language");if(p2==NULL) p2="en";
		1534	mkfname(buf,"msg/warn_%s.phtml.%s",p1,p2);
		1535	memmove(&save,&m_file,sizeof(WORKING_FILE));
		1536	if(open_working_file(&m_file,buf)==0) phtml_put(NULL,0);
		1537	memmove(&m_file,&save,sizeof(WORKING_FILE));
		1538	end:
		1539	*p=0; return;
		1540	}
		1541
8155	bpr	1542	/* write an error message. */
10	reyssat	1543	void exec_msg(char *p)
		1544	{
		1545	char p1,p2, buf[64], *l;
		1546	secure_exec();
		1547	p1=find_word_start(p); p2=find_word_end(p1);
		1548	if(*p2) {
7379	bpr	1549	*p2=0; p2=find_word_start(p2+1);
10	reyssat	1550	}
		1551	force_setvar("wims_error",p1); force_setvar("wims_error_parm",p2);
		1552	l=getvar("module_language");
		1553	if(l!=NULL && strlen(l)==2) {
7379	bpr	1554	snprintf(buf,sizeof(buf),"msg.phtml.%s",l);
		1555	phtml_put_base(buf,0);
10	reyssat	1556	}
		1557	*p=0;
		1558	}
		1559
8185	bpr	1560	struct distr_cmd distr_cmd[]={
7379	bpr	1561	{"char", NULL},
		1562	{"charof", NULL},
		1563	{"chars", NULL},
		1564	{"charsof", NULL},
		1565	{"item", cutitems},
		1566	{"itemof", cutitems},
		1567	{"items", cutitems},
		1568	{"itemsof", cutitems},
		1569	{"line", cutlines},
		1570	{"lineof", cutlines},
		1571	{"lines", cutlines},
		1572	{"linesof", cutlines},
		1573	{"list", cutitems},
		1574	{"word", cutwords},
		1575	{"wordof", cutwords},
		1576	{"words", cutwords},
		1577	{"wordsof", cutwords}
10	reyssat	1578	};
		1579
8185	bpr	1580	int distr_cmd_no=(sizeof(distr_cmd)/sizeof(distr_cmd[0]));
10	reyssat	1581
8155	bpr	1582	/* distribute a number of lines, items, etc. into a list of vars. */
10	reyssat	1583	void exec_distribute(char *p)
		1584	{
		1585	int i,k,n;
		1586	char p1, p2;
		1587	char bf1[MAX_LINELEN+1],bf2[MAX_LINELEN+1];
		1588	char names[4096],vals[4096];
		1589	p1=find_word_start(p); p2=find_word_end(p1);
		1590	if(p2<=p1 \|\| *p2==0) module_error("syntax_error");
		1591	*p2++=0;
		1592	i=search_list(distr_cmd,distr_cmd_no,sizeof(distr_cmd[0]),p1);
		1593	if(i<0) module_error("syntax_error");
		1594	p2=find_word_start(p2); p1=wordchr(p2,"into");
		1595	if(p1==NULL) module_error("syntax_error");
		1596	*p1=0;mystrncpy(bf1,p2,sizeof(bf1));
		1597	p1=find_word_start(p1+strlen("into"));
		1598	mystrncpy(bf2,p1,sizeof(bf2));
		1599	substit(bf1);substit(bf2);
		1600	strip_trailing_spaces(bf1);
		1601	items2words(bf2); n=cutwords(bf2,names,4096);
		1602	if(distr_cmd[i].routine!=NULL) {
7379	bpr	1603	k=distr_cmd[i].routine(bf1,vals,n);
		1604	for(i=0;i<k;i++) setvar(names[i],vals[i]);
		1605	for(;i<n;i++) setvar(names[i],"");
10	reyssat	1606	}
		1607	else {
7379	bpr	1608	char buf[2];
		1609	buf[1]=0;
		1610	for(p1=bf1,i=0;i<n;i++) {
		1611	buf[0]=p1; if(p1) p1++;
		1612	setvar(names[i],buf);
		1613	}
10	reyssat	1614	}
		1615	}
		1616
8155	bpr	1617	/* reset variables */
10	reyssat	1618	void exec_reset(char *p)
		1619	{
		1620	char p1, p2;
		1621
		1622	items2words(p);
		1623	for(p1=find_word_start(p); *p1; p1=find_word_start(p2)) {
7379	bpr	1624	p2=find_word_end(p1); if(p2) p2++=0;
		1625	setvar(p1,"");
10	reyssat	1626	}
		1627	}
		1628
8155	bpr	1629	/* exchange the values of two variables */
10	reyssat	1630	void exec_exchange(char *p)
		1631	{
		1632	char buf[MAX_LINELEN+1],b1[MAX_LINELEN+1],b2[MAX_LINELEN+1];
		1633	char p1,p2,*pb;
		1634	p1=wordchr(p,"and");
		1635	if(p1!=NULL) {
7379	bpr	1636	*p1=0; p2=find_word_start(p1+strlen("and"));
10	reyssat	1637	}
		1638	else {
7379	bpr	1639	p1=strchr(p,',');
		1640	if(p1==NULL) module_error("syntax_error");
		1641	*p1=0; p2=find_word_start(p1+1);
10	reyssat	1642	}
		1643	p1=find_word_start(p);
		1644	mystrncpy(b1,p1,sizeof(b1)); substit(b1); *find_word_end(b1)=0;
		1645	mystrncpy(b2,p2,sizeof(b2)); substit(b2); *find_word_end(b2)=0;
		1646	if(b1==0 \|\| b2==0) module_error("syntax_error");
		1647	pb=getvar(b1);if(pb==NULL) pb="";
		1648	mystrncpy(buf,pb,sizeof(buf));
		1649	pb=getvar(b2);if(pb==NULL) pb="";
		1650	setvar(b1,pb); setvar(b2,buf);
		1651	}
		1652
8155	bpr	1653	/* Send a mail */
10	reyssat	1654	void exec_mailto(char *p)
		1655	{
		1656	char p1,p2,*pp;
		1657
		1658	if(!trusted_module() \|\| is_class_module) return;
		1659	p1=strchr(p,'\n'); if(p1==NULL) return;
		1660	*p1++=0; p=find_word_start(p);
		1661	if(*p==0) return;
		1662	p2=strchr(p1,'\n'); if(p2==NULL) return;
		1663	*p2++=0;
		1664	for(pp=p1;pp;pp++) if(pp=='"' \|\| pp=='\n') pp=' ';
		1665	accessfile(p2,"w","%s/mail.body",tmp_dir);
		1666	wrapexec=1;
8374	bpr	1667	call_sh("mail %s -s \" %s \n\" %s <%s/mail.body; chmod og-rwx %s/mail.body",
7379	bpr	1668	mail_opt, p1,p,tmp_dir,tmp_dir);
10	reyssat	1669	mail_log(p);
		1670	*p=0;
		1671	}
		1672
8155	bpr	1673	/* Generates a user error. Internal and undocumented. */
10	reyssat	1674	void exec_usererror(char *p)
		1675	{
		1676	if(trusted_module()) user_error(p);
		1677	}
		1678
8155	bpr	1679	/* stop output. */
10	reyssat	1680	void exec_directout(char *p)
		1681	{
		1682	if(outputing \|\| !trusted_module()) return;
		1683	printf("%s",p);
		1684	noout=1;
		1685	}
		1686
		1687	enum {
		1688	EXEC_IF, EXEC_JUMP, EXEC_ELSE, EXEC_ENDIF, EXEC_EXEC,
		1689	EXEC_WHILE, EXEC_ENDWHILE,
		1690	EXEC_FOR, EXEC_VAR, EXEC_DEBUG, EXEC_DAEMON,
		1691	EXEC_SET, EXEC_DEFAULT, EXEC_COMMENT, EXEC_READ, EXEC_HREF,
		1692	EXEC_INS, EXEC_STRING, EXEC_PEDIA, EXEC_DIR,
		1693	EXEC_TRUST, EXEC_WARN, EXEC_ERROR, EXEC_SQL, EXEC_SCORE,
		1694	EXEC_MAIL, EXEC_OTHER
		1695	} EXEC_TYPES;
		1696	#define EXEC_SUBST 0x1000
		1697	#define EXEC_USECALC 0x2000
		1698	#define EXEC_PROCTOO 0x4000
		1699	MYFUNCTION exec_routine[]={
7379	bpr	1700	{"!", EXEC_COMMENT, exec_comment},
		1701	{"TeXmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1702	{"add", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1703	{"advance", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1704	{"append", EXEC_STRING\|EXEC_USECALC,calc_append},
		1705	{"appendfile",EXEC_DIR\|EXEC_SUBST, fileappend},
		1706	{"bound", EXEC_STRING, exec_bound},
		1707	{"break", EXEC_FOR, exec_break},
		1708	{"call", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1709	{"changeto", EXEC_READ\|EXEC_SUBST, exec_changeto},
		1710	{"char", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1711	{"chars", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1712	{"checkhost", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_checkhost},
		1713	{"column", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1714	{"columns", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1715	{"comment", EXEC_COMMENT, exec_comment},
		1716	{"daemon", EXEC_DAEMON\|EXEC_USECALC\|EXEC_SUBST,calc_daemon},
		1717	{"date", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_date},
		1718	{"deaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,deaccent},
		1719	{"debug", EXEC_DEBUG, calc_debug},
		1720	{"declosing", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_declosing},
		1721	{"def", EXEC_SET, exec_set},
		1722	{"default", EXEC_SET, exec_default},
		1723	{"define", EXEC_SET, exec_set},
		1724	{"definitionof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1725	{"defof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1726	{"defread", EXEC_READ\|EXEC_SUBST, exec_defread},
		1727	{"detag", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_detag},
		1728	{"detrust", EXEC_TRUST, exec_detrust},
		1729	/* {"dictionary",EXEC_STRING\|EXEC_USECALC,calc_dictionary}, */
		1730	{"dir", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1731	{"distribute",EXEC_STRING, exec_distribute},
		1732	{"distrust", EXEC_TRUST, exec_detrust},
		1733	{"else", EXEC_ELSE, exec_else},
		1734	{"embraced", EXEC_STRING\|EXEC_USECALC,calc_embraced},
		1735	{"encyclo", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1736	{"encyclopedia",EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1737	{"endif", EXEC_ENDIF, exec_endif},
		1738	{"endwhile", EXEC_ENDWHILE, exec_endwhile},
		1739	{"evalsubst", EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1740	{"evalsubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
10	reyssat	1741	{"evalsubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
7379	bpr	1742	{"evaluesubst",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1743	{"evaluesubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
10	reyssat	1744	{"evaluesubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
7379	bpr	1745	{"examscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_examscore},
		1746	{"exchange", EXEC_STRING, exec_exchange},
		1747	{"exec", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1748	{"execute", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1749	{"exit", EXEC_JUMP, exec_exit},
		1750	{"fileappend",EXEC_DIR\|EXEC_SUBST, fileappend},
		1751	{"filelist", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1752	{"fileout", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1753	{"filewrite", EXEC_DIR\|EXEC_SUBST, filewrite},
		1754	{"for", EXEC_FOR, exec_for},
		1755	{"form", EXEC_HREF\|EXEC_SUBST, exec_form},
		1756	{"formbar", EXEC_HREF, exec_formbar},
		1757	{"formcheckbox",EXEC_HREF, exec_formcheckbox},
		1758	{"formend", EXEC_STRING, exec_formend},
		1759	{"formradio", EXEC_HREF, exec_formradio},
		1760	{"formradiobar",EXEC_HREF, exec_formbar},
		1761	{"formselect",EXEC_HREF, exec_formselect},
		1762	{"getdef", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1763	{"getfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1764	{"getscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscore},
7638	bpr	1765	{"getscorebest",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorebest},
7602	bpr	1766	{"getscorelast",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelast},
7657	bpr	1767	{"getscorelevel",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelevel},
7379	bpr	1768	{"getscoremean",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
10	reyssat	1769	{"getscorepercent",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorepercent},
7657	bpr	1770	{"getscorequality",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
10	reyssat	1771	{"getscoreremain",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreremain},
		1772	{"getscorerequire",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorerequire},
7602	bpr	1773	{"getscoretry",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoretry},
10	reyssat	1774	{"getscoreweight",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreweight},
7379	bpr	1775	{"goto", EXEC_JUMP\|EXEC_SUBST, exec_goto},
		1776	{"header", EXEC_HREF, exec_header},
		1777	{"header1", EXEC_HREF, exec_header1},
		1778	{"headmenu", EXEC_HREF, exec_headmenu},
		1779	{"hex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1780	{"homeref", EXEC_HREF, exec_homeref},
		1781	{"href", EXEC_HREF, exec_href},
		1782	{"htmlbar", EXEC_HREF, exec_formbar},
		1783	{"htmlcheckbox",EXEC_HREF, exec_formcheckbox},
		1784	{"htmlheader",EXEC_HREF, exec_header},
		1785	{"htmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1786	{"htmlradio", EXEC_HREF, exec_formradio},
		1787	{"htmlradiobar",EXEC_HREF, exec_formbar},
		1788	{"htmlselect",EXEC_HREF, exec_formselect},
		1789	{"htmltail", EXEC_HREF, exec_tail},
		1790	{"htmltitle", EXEC_HREF, exec_title},
		1791	{"if", EXEC_IF, exec_if},
		1792	{"ifval", EXEC_IF, exec_ifval},
		1793	{"ifvalue", EXEC_IF, exec_ifval},
		1794	{"imgrename", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_imgrename},
		1795	{"include", EXEC_READ\|EXEC_SUBST, exec_read},
		1796	{"increase", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1797	{"input", EXEC_READ\|EXEC_SUBST, exec_read},
		1798	{"insdraw", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1799	{"insmath", EXEC_INS, insmath},
		1800	{"inspaint", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1801	{"insplot", EXEC_INS\|EXEC_SUBST, exec_insplot},
		1802	{"insplot3d", EXEC_INS\|EXEC_SUBST, exec_insplot3d},
		1803	{"instex", EXEC_INS, exec_instex},
		1804	{"instexst", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1805	{"instexstatic",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1806	{"item", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1807	{"items", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1808	{"items2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1809	{"items2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1810	{"itemstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1811	{"itemstowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1812	{"let", EXEC_SET, exec_set},
		1813	{"leveldata", EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1814	{"levelpoints",EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1815	{"line", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1816	{"lines", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1817	{"lines2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1818	{"lines2list", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1819	{"lines2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1820	{"linestoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1821	{"linestolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1822	{"linestowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1823	{"list2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1824	{"list2words", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1825	{"listfile", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1826	{"listfiles", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1827	{"listintersect",EXEC_STRING\|EXEC_USECALC,calc_listintersect},
10	reyssat	1828	{"listintersection", EXEC_STRING\|EXEC_USECALC,calc_listintersect},
7379	bpr	1829	{"listtolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1830	{"listtowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1831	{"listunion", EXEC_STRING\|EXEC_USECALC,calc_listunion},
		1832	{"listuniq", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1833	{"listunique", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1834	{"listvar", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		1835	{"lookup", EXEC_STRING\|EXEC_USECALC, calc_lookup},
		1836	{"lower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1837	{"lowercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1838	{"ls", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1839	{"mailto", EXEC_MAIL\|EXEC_SUBST, exec_mailto},
		1840	{"mailurl", EXEC_MAIL\|EXEC_SUBST\|EXEC_USECALC,calc_mailurl},
		1841	{"makelist", EXEC_STRING\|EXEC_USECALC,calc_makelist},
		1842	{"math2html", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1843	{"math2mathml",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1844	{"math2tex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1845	{"mathmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1846	{"mathsubst", EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
		1847	{"mathsubstit",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
10	reyssat	1848	{"mathsubstitute",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
7379	bpr	1849	{"mexec", EXEC_EXEC\|EXEC_SUBST, exec_mexec},
		1850	{"module", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_module},
		1851	{"msg", EXEC_EXEC\|EXEC_SUBST,exec_msg},
		1852	{"multiply", EXEC_STRING\|EXEC_USECALC,calc_product},
		1853	{"next", EXEC_FOR, exec_next},
		1854	{"nocache", EXEC_READ, exec_nocache},
		1855	{"non_empty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1856	{"nonempty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1857	{"nospace", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,nospace},
		1858	{"outfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1859	{"pedia", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1860	{"perl", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_perl},
		1861	{"position", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1862	{"positionof",EXEC_STRING\|EXEC_USECALC,calc_pos},
		1863	{"positions", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1864	{"prod", EXEC_STRING\|EXEC_USECALC,calc_product},
		1865	{"product", EXEC_STRING\|EXEC_USECALC,calc_product},
		1866	{"rawmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmath},
		1867	{"rawmatrix", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmatrix},
		1868	{"reaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,reaccent},
		1869	{"read", EXEC_READ\|EXEC_SUBST, exec_read},
		1870	{"readdef", EXEC_READ\|EXEC_SUBST, exec_defread},
		1871	{"readproc", EXEC_READ\|EXEC_SUBST, exec_readproc},
		1872	{"record", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1873	{"records", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1874	{"recursion", EXEC_STRING\|EXEC_USECALC,calc_recursion},
		1875	{"reinput", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_reinput},
		1876	{"rem", EXEC_COMMENT, exec_comment},
		1877	{"remark", EXEC_COMMENT, exec_comment},
		1878	{"replace", EXEC_STRING\|EXEC_USECALC,calc_replace},
		1879	{"reset", EXEC_SET\|EXEC_SUBST, exec_reset},
		1880	{"restart", EXEC_JUMP\|EXEC_SUBST, exec_restart},
		1881	{"return", EXEC_JUMP, exec_exit},
		1882	{"robotrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1883	{"robottrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1884	{"rootof", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1885	{"row", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1886	{"rows", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1887	{"rows2lines",EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_rows2lines},
		1888	{"run", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1889	{"select", EXEC_STRING\|EXEC_USECALC,calc_select},
		1890	{"set", EXEC_SET, exec_set},
		1891	{"setdef", EXEC_OTHER, exec_setdef},
		1892	{"sh", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1893	{"shortout", EXEC_JUMP\|EXEC_SUBST, exec_directout},
		1894	{"singlespace",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,singlespace},
		1895	{"solve", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1896	{"sort", EXEC_STRING\|EXEC_USECALC, calc_sort},
		1897	/* {"sql", EXEC_SQL\|EXEC_SUBST\|EXEC_USECALC, calc_sql}, */
		1898	{"staticinstex",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1899	{"stinstex", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1900	{"sum", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1901	{"system", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1902	{"tail", EXEC_HREF, exec_tail},
		1903	{"test", EXEC_DEBUG, exec_test},
		1904	{"texmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1905	{"text", EXEC_STRING\|EXEC_USECALC,text},
		1906	{"title", EXEC_HREF, exec_title},
		1907	{"tohex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1908	{"tolower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1909	{"toupper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1910	{"translate", EXEC_STRING\|EXEC_USECALC,calc_translate},
		1911	{"trim", EXEC_STRING\|EXEC_USECALC,calc_trim},
		1912	{"upper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1913	{"uppercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1914	{"usererror", EXEC_WARN\|EXEC_SUBST, exec_usererror},
		1915	{"values", EXEC_STRING\|EXEC_USECALC,calc_values},
		1916	{"varlist", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		1917	{"warn", EXEC_WARN\|EXEC_SUBST, exec_warn},
		1918	{"warning", EXEC_WARN\|EXEC_SUBST, exec_warn},
		1919	{"while", EXEC_WHILE, exec_while},
		1920	{"whileval", EXEC_WHILE, exec_whileval},
		1921	{"whilevalue",EXEC_WHILE, exec_whileval},
		1922	{"wimsheader",EXEC_HREF, exec_header},
		1923	{"wimsref", EXEC_HREF, exec_homeref},
		1924	{"wimstail", EXEC_HREF, exec_tail},
		1925	{"wimstitle", EXEC_HREF, exec_title},
		1926	{"word", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		1927	{"words", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		1928	{"words2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1929	{"words2lines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		1930	{"words2list",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1931	{"wordstoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1932	{"wordstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		1933	{"wordstolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1934	{"writefile", EXEC_DIR\|EXEC_SUBST, filewrite},
10	reyssat	1935	};
8185	bpr	1936	int EXEC_FN_NO=(sizeof(exec_routine)/sizeof(exec_routine[0]));
10	reyssat	1937
8155	bpr	1938	/* internal: to skip the content of a false if/while. */
10	reyssat	1939	static void _skip_contents(int isif)
		1940	{
		1941	char buf[MAX_NAMELEN+8], *p1;
		1942	int i,j,loop;
		1943	loop=0;
		1944	while(m_file.linepointer<m_file.linecnt) {
7379	bpr	1945	j=m_file.linepointer;
		1946	if((m_file.lines[j].isstart&2)==0) {
		1947	m_file.linepointer++; continue;
		1948	}
7407	bpr	1949	i=m_file.lines[j].execcode;
7379	bpr	1950	if(i<0) {
		1951	if(wgetline(buf,MAX_NAMELEN+4,&m_file)==EOF) return;
		1952	p1=buf+1; if(p1!='i' && p1!='e' && *p1!='w') continue;
		1953	*find_word_end(p1)=0;
		1954	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p1);
		1955	if(i>=0) m_file.lines[j].execcode=i;
		1956	}
		1957	else m_file.linepointer++;
		1958	if(i<0) continue;
		1959	switch(exec_routine[i].tag & 0xffff) {
		1960	case EXEC_WHILE:
		1961	if(!isif) loop++; break;
		1962	case EXEC_IF:
		1963	if(isif) loop++; break;
		1964	case EXEC_ELSE: {
		1965	if(!isif) break;
		1966	if(loop<=0) return; else break;
		1967	}
		1968	case EXEC_ENDIF: {
		1969	if(!isif) break;
		1970	if(loop>0) {
		1971	loop--; break;
		1972	}
		1973	else return;
		1974	}
		1975	case EXEC_ENDWHILE: {
		1976	if(isif) break;
		1977	if(loop>0) {
		1978	loop--; break;
		1979	}
		1980	else return;
		1981	}
		1982	default: break;
		1983	}
10	reyssat	1984	}
		1985	}
		1986
8155	bpr	1987	/* Execute a command defined by !. Returns 0 if OK. */
10	reyssat	1988	void exec_main(char *p)
		1989	{
		1990	int i,j;
		1991	char *pp;
		1992	char tbuf2[MAX_LINELEN+1];
		1993
7379	bpr	1994	pp=find_word_end(p);
10	reyssat	1995	if(*pp!=0) {
7379	bpr	1996	*(pp++)=0; pp=find_word_start(pp);
10	reyssat	1997	}
		1998	i=m_file.lines[m_file.l].execcode;
		1999	if(i<0) {
7379	bpr	2000	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p);
		2001	m_file.lines[m_file.l].execcode=i;
10	reyssat	2002	}
		2003	if(i<0) {
7379	bpr	2004	setvar(error_data_string,p); module_error("bad_cmd");
10	reyssat	2005	}
8155	bpr	2006	/* called from !readdef, no right other than set; bail out */
10	reyssat	2007	execnt++;
		2008	if((untrust&4)!=0 && (j=(exec_routine[i].tag&0xffff))!=EXEC_SET) {
7379	bpr	2009	tbuf2[0]=0; exec_exit(tbuf2);
10	reyssat	2010	}
3718	reyssat	2011	ovlstrcpy(tbuf2,pp); j=exec_routine[i].tag;
10	reyssat	2012	if(j&EXEC_SUBST) substit(tbuf2);
		2013	if(j&EXEC_USECALC) {
7379	bpr	2014	if(!outputing && (j&EXEC_PROCTOO)==0) return;
		2015	exec_routine[i].routine(tbuf2); if(outputing) output0(tbuf2);
10	reyssat	2016	}
		2017	else exec_routine[i].routine(tbuf2);
		2018	return;
		2019	}
		2020

Subversion Repositories wimsdev

(root)/trunk/wims/src/exec.c – Rev 8374