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 &&\
8494	bpr	525	(navigator.userAgent.toLowerCase().indexOf(\"safari\") == -1 \|\|\
		526	navigator.userAgent.toLowerCase().indexOf(\"chrome\") > 0 \|\|\
		527	navigator.userAgent.toLowerCase().indexOf(\"android\") > 0)\
7379	bpr	528	){var script = document.createElement(\"script\");\
7370	bpr	529	script.type = \"text/javascript\";\
7379	bpr	530	script.src = \"scripts/js/mathjax/MathJax.js?config=MML_HTMLorMML-full.js\";\
7370	bpr	531	document.body.appendChild(script);\
7380	bpr	532	}/]]>/</script>\n");
7370	bpr	533	}
		534
8213	bpr	535	/* standardized header */
1050	bpr	536	void _header(char *p, int option)
10	reyssat	537	{
		538	char s1, s2, hbuf[MAX_LINELEN+1], ws="", ws2="", bo, ol;
		539	char wsbuf[MAX_LINELEN+1],wsbuf2[MAX_LINELEN+1];
		540	setvar("wims_header_parm",p); *p=0;
		541	if(!outputing \|\| header_executed) return;
		542	s1=getvar("wims_window");
		543	if(mode==mode_popup) {
7370	bpr	544	if(s1!=NULL && *s1!=0) {
7379	bpr	545	char p1, p2;
		546	int t1,t2/,t3,t4/;
		547	p1=find_word_start(s1);
		548	for(p2=p1; myisdigit(*p2); p2++);
		549	*p2=0; t1=atoi(p1); p1=p2+1;
		550	while(!myisdigit(p1) && p1) p1++;
		551	for(p2=p1; myisdigit(*p2); p2++);
		552	*p2=0; t2=atoi(p1); p1=p2+1;
		553	/* while(!myisdigit(p1) && p1) p1++;
		554	for(p2=p1; myisdigit(*p2); p2++);
		555	*p2=0; t3=atoi(p1); p1=p2+1;
		556	while(!myisdigit(p1) && p1) p1++;
		557	for(p2=p1; myisdigit(*p2); p2++);
		558	*p2=0; t4=atoi(p1); p1=p2+1;
		559	while(!myisdigit(p1) && p1) p1++;
		560	for(p2=p1; myisdigit(*p2); p2++);
		561	if(t3<5) t3=5; if(t4<20) t4=20;
		562	*/ snprintf(wsbuf,sizeof(wsbuf),
		563	"window.focus();window.resizeTo(%d,%d);",t1,t2); ws=wsbuf;
		564	/* snprintf(wsbuf,sizeof(wsbuf),
		565	"window.focus();window.resizeto(%d,%d);window.moveto(%d,%d);",
		566	t1,t2,t3,t4); ws=wsbuf;
		567	*/ }
10	reyssat	568	}
		569	else {
7379	bpr	570	if(s1!=NULL && strcmp(s1,"new")==0)
		571	ws="window.focus();window.resizeTo(800,640);window.moveTo(15,35);";
10	reyssat	572	}
		573	if(strstr(session_prefix,"_exam")!=NULL) {
7379	bpr	574	/* char buf[64]; */
		575	if(*ws==0) ws="window.focus();";
		576	else ws= "window.focus();window.moveTo(5,70);";
		577	/* snprintf(buf,sizeof(buf),"name.phtml.%s",lang);
		578	phtml_put_base(buf);
		579	phtml_put_base("jsclock.phtml"); */
10	reyssat	580	}
		581	s1=getvar("wims_html_header"); if(s1==NULL) s1="";
		582	determine_font(getvar("module_language"));
		583	s2=getvar("module_title"); if(s2!=NULL && *s2!=0) {
7379	bpr	584	mystrncpy(hbuf,s2,sizeof(hbuf)); calc_detag(hbuf);
		585	setvar("module_title2",hbuf);
10	reyssat	586	}
		587	mystrncpy(hbuf,s1,sizeof(hbuf)); substit(hbuf);
		588	s2=getvar("wims_htmlbody"); if(s2==NULL) s2="";
		589	bo=getvar("wims_html_bodyoption"); if(bo==NULL) bo="";
		590	ws2=getvar("wims_html_onload"); if(ws2==NULL) ws2="";
		591	snprintf(wsbuf2,sizeof(wsbuf2),"%s%s",ws,ws2);
		592	setvar("wims_html_onload",wsbuf2);
		593	if(wsbuf2[0]) ol=" onload="; else ol="";
		594	/* output("<html xmlns=\"http://www.w3.org/1999/xhtml\"><head>%s\n\
		595	</head><body %s %s%s %s>\n", */
256	bpr	596	/* output("<html>\n\
10	reyssat	597	<head>%s\n\
		598	</head><body %s %s%s %s>\n",
7370	bpr	599	hbuf,s2,ol,wsbuf2,bo);*/
		600	/http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd/
		601	if(ol[0]) {
		602	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\">\
		603	\n<html xml:lang=\"%s\"\
		604	xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:mathml=\"http://www.w3.org/1998/Math/MathML\"><head>%s\n\
		605	</head>\n<body %s %s\"%s\" %s>", lang,hbuf,s2,ol,wsbuf2,bo);}
		606	else {
		607	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\">\
		608	\n<html xml:lang=\"%s\" xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:mathml=\"http://www.w3.org/1998/Math/MathML\"><head>%s\n\
		609	</head>\n<body %s %s%s %s>", lang,hbuf,s2,ol,wsbuf2,bo);
		610	}
		611	_headmathjax(p);
10	reyssat	612	exec_headmenu(p);
1050	bpr	613	if(option) exec_title(p);
10	reyssat	614	if(cmd_type==cmd_help) {
7370	bpr	615	char *s=getvar("special_parm");
		616	if(s==NULL) s="";
		617	m_file.linepointer=m_file.linecnt;
		618	if(strcmp(s,"about")==0) ovlstrcpy(hbuf,"about.phtml");
		619	else ovlstrcpy(hbuf,"help.phtml");
		620	exec_read(hbuf); exec_tail(p); /* param of exec_...() must be readable */
		621	return;
10	reyssat	622	}
		623	header_executed=1;
		624	}
		625
1050	bpr	626	void exec_header(char *p) { _header(p,1);}
		627	void exec_header1(char *p) { _header(p,0);}
		628
10	reyssat	629	char href_target[128];
		630	char jsbuf[512];
5729	bpr	631	#define jsstr " onclick=\"%s=window.open('','%s','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')\""
10	reyssat	632	int ref_mhelp=0;
		633	int follow_list[]={
		634	ro_session, ro_lang, ro_useropts, ro_module
		635	};
		636	#define follow_no (sizeof(follow_list)/sizeof(follow_list[0]))
		637
		638	void _httpfollow(char b1[], char *wn, int new)
		639	{
		640	int i;
		641	char p1, s, *ss, sb[MAX_LINELEN+1], qbuf[MAX_LINELEN+1];
		642
		643	sb[0]=0;
		644	for(i=0;i<follow_no;i++) {
7379	bpr	645	if(robot_access && follow_list[i]==ro_session) continue;
		646	if(!new && follow_list[i]!=ro_session
		647	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		648	continue;
		649	if(follow_list[i]==ro_module) {
		650	char *pp;
		651	if(new) continue;
		652	pp=strstr(b1,"cmd=");
		653	if(pp==NULL) continue;
		654	pp+=strlen("cmd=");
		655	if(memcmp(pp,"intro",strlen("intro"))==0 \|\|
		656	memcmp(pp,"new",strlen("new"))==0) continue;
		657	}
		658	s=getvar(ro_name[follow_list[i]]);
		659	ss=strstr(b1,ro_name[follow_list[i]]);
		660	if(s!=NULL && *s!=0 &&
		661	(ss==NULL \|\| (ss>b1 && *(ss-1)!='&')
		662	\|\| *(ss+strlen(ro_name[follow_list[i]]))!='=')) {
		663	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		664	char st[MAX_LINELEN+1];
		665	char *s1;
		666	s1=getvar("wims_session");
		667	if(s1==NULL) internal_error("exec_href() error.\n");
		668	if(ref_mhelp) {
		669	if(strstr(s1,"_mhelp")!=0)
		670	snprintf(st,sizeof(st),"%s",s1);
		671	else
		672	snprintf(st,sizeof(st),"%s_mhelp",s1);
		673	}
		674	else snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		675	s=st;
		676	}
		677	snprintf(sb+strlen(sb),MAX_LINELEN-strlen(sb),"%s=%s&",
		678	ro_name[follow_list[i]],s);
		679	if(ismhelp && follow_list[i]==ro_session &&
		680	strstr(sb,"_mhelp")==NULL)
		681	snprintf(sb+strlen(sb)-1,MAX_LINELEN-strlen(sb)+1,"_mhelp&");
		682	}
10	reyssat	683	}
		684	snprintf(qbuf,MAX_LINELEN,"%s%s%s",wn,sb,b1);
7379	bpr	685	/* cleaning up query string */
10	reyssat	686	for(p1=qbuf;*p1;p1++) {
7379	bpr	687	if(*p1=='"') string_modify(qbuf,p1,p1+1,"%22");
		688	if(p1=='&' && isalpha((p1+1))) {
		689	p1++; string_modify(qbuf,p1,p1,"+");
		690	}
10	reyssat	691	}
		692	mystrncpy(b1,qbuf,MAX_LINELEN);
		693	}
		694
8213	bpr	695	/* Restart with a new module, using http code 302. */
10	reyssat	696	void exec_restart(char *p)
		697	{
		698	char buf[MAX_LINELEN+1], *rfn, buf2[MAX_LINELEN+1];
		699	/* long int t; */
7379	bpr	700
10	reyssat	701	if(robot_access \|\| outputing \|\| !trusted_module() \|\| is_class_module) return;
		702	/* accessfile(buf,"r","%s/restart.time",s2_prefix);
7379	bpr	703	t=atoi(buf); if(t==nowtime) return; / / possible looping */
10	reyssat	704	mystrncpy(buf,find_word_start(p),sizeof(buf));
		705	*find_word_end(buf)=0;
		706	_httpfollow(buf,"",0);
		707	nph_header(301);
		708	rfn=strchr(ref_name,':'); if(rfn==NULL) {
7379	bpr	709	usual: snprintf(buf2,sizeof(buf2),"%s?%s",ref_name,buf);
10	reyssat	710	}
		711	else {
7379	bpr	712	char *p;
		713	p=getvar("wims_protocol");
		714	if(p!=NULL && strcmp(p,"https")==0) {
		715	snprintf(buf2,sizeof(buf2),"https%s?%s",rfn,buf);
		716	}
		717	else goto usual;
10	reyssat	718	}
		719	printf("Location: %s\r\n\r\n\
4957	obado	720	<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\
10	reyssat	721	<html><body><a href=\"%s\">%s</a></body></html>",buf2,buf2,buf2);
		722	close_working_file(&m_file,0); write_logs();
		723	snprintf(buf,sizeof(buf),"%ld",nowtime);
		724	/* accessfile(buf,"w","%s/restart.time",s2_prefix);
		725	*/ delete_pid(); exit(0);
		726	}
		727
8213	bpr	728	/* extract target tag from parm string. */
10	reyssat	729	void href_find_target(char *p)
		730	{
		731	char pp, pe,buf1[MAX_LINELEN+1];
		732	href_target[0]=0; jsbuf[0]=0; ref_mhelp=0;
		733	for(pp=find_word_start(p);*pp!=0;pp=find_word_start(pe)) {
7379	bpr	734	pe=find_word_end(pp);
		735	if(strncasecmp(pp,"target=wims_",strlen("target=wims_"))!=0) continue;
		736	memmove(buf1,pp,pe-pp); buf1[pe-pp]=0; substit(buf1);
		737	if(strncasecmp(buf1,"target=wims_mhelp",strlen("target=wims_mhelp"))==0) {
		738	if(pe!=0) pe++=0; ovlstrcpy(href_target,"wims_help");
		739	ref_mhelp=1;
		740	}
		741	else {
		742	if(pe!=0) pe++=0;
		743	mystrncpy(href_target,buf1+strlen("target="),sizeof(href_target));
		744	}
		745	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
		746	ovlstrcpy(pp,pe);return;
10	reyssat	747	}
		748	pp=getvar("module_help");
		749	if(href_target[0]==0 && pp!=NULL && strcmp(pp,"popup")==0 &&
		750	(pe=strstr(p,"cmd=help"))!=NULL) {
7379	bpr	751	if(pe==p \|\| *(pe-1)=='&') {
		752	ovlstrcpy(href_target,"wims_help"); ref_mhelp=1;
		753	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
		754	}
10	reyssat	755	}
		756	}
		757
		758	void _href_getdef(char src[], char vname[], char buf[], int buflen)
		759	{
		760	char p1, p2, *p3;
		761	buf[0]=0;
		762	for(p1=strstr(src,vname); p1; p1=strstr(p2,vname)) {
7379	bpr	763	p2=p1+strlen(vname); if(*p2!='=') continue;
		764	if(p1>src && *(p1-1)!='&') continue;
		765	p2++; p3=strchr(p2,'&'); if(p3==NULL) p3=p2+strlen(p2);
		766	if(p3-p2>=buflen) return; /* too long */
		767	memmove(buf,p2, p3-p2); buf[p3-p2]=0; return;
10	reyssat	768	}
		769	}
		770
8213	bpr	771	/* Create href to wims requests. subst() is not done. */
10	reyssat	772	void exec_href(char *p)
		773	{
2026	bpr	774	char s, st[128], sti[128], stc[128], stt[128], p1, p2, p3, *wn="";
6186	bpr	775	char *U="<span style=\"color:#A0A0C0;text-decoration:underline;\">%s</span>";
10	reyssat	776	char b1[MAX_LINELEN+1], b2[MAX_LINELEN+1];
		777	int new=0;
		778	if(!outputing) return;
		779	href_find_target(p);
		780	p1=find_word_start(p);
		781	p2=find_word_end(p1); if(p2) (p2++)=0;
		782	mystrncpy(b1,p1,sizeof(b1));
		783	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		784	substit(b1); substit(b2);
7379	bpr	785	/* standard reference */
10	reyssat	786	if(*b2==0 && strchr(b1,'=')==NULL) {
7379	bpr	787	char b[MAX_LINELEN+1], *ll;
		788	p1=find_word_start(b1); *find_word_end(p1)=0;
		789	if(*p1==0 \|\| strlen(p1)>64) return;
		790	ll=getvar("module_language");
		791	if(ll==NULL \|\| ll==0 \|\| (ll+1)==0 \|\| *(ll+2)!=0) ll=lang;
		792	accessfile(b,"r","html/href.%s",ll);
		793	memmove(p1+1,p1,64); *p1='\n'; strcat(p1," ");
		794	p2=strstr(b,p1); if(p2==NULL) return;
		795	p1=find_word_start(p2+strlen(p1)); p2=find_word_end(p1);
		796	if(p2) (p2++)=0;
		797	p3=strchr(p2,'\n'); if(p3!=NULL) *p3=0;
		798	mystrncpy(b1,p1,sizeof(b1));
		799	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		800	substit(b1); substit(b2);
10	reyssat	801	}
7379	bpr	802	/* for robots: only references without defining cmd. */
10	reyssat	803	if(robot_access && strstr(b1,"cmd=")!=NULL &&
		804	strstr(b1,"module=adm/doc")==NULL) {
7379	bpr	805	_output_(b2); return;
10	reyssat	806	}
		807	if(robot_access && strstr(aliased_cgi,"yes")!=NULL) {
7379	bpr	808	char mbuf[256], lbuf[16];
		809	_href_getdef(b1,"module",mbuf,sizeof(mbuf));
		810	if(mbuf[0]==0) mystrncpy(mbuf,home_module,sizeof(mbuf));
		811	_href_getdef(b1,"lang",lbuf,sizeof(lbuf));
		812	if(strlen(lbuf)!=2) {mystrncpy(lbuf,lang,4);lbuf[2]=0;}
		813	if(strncmp(mbuf,"adm/doc",strlen("adm/doc"))==0) {
		814	char dbuf[256], bbuf[256];
		815	_href_getdef(b1,"doc",dbuf,sizeof(dbuf));
		816	_href_getdef(b1,"block",bbuf,sizeof(bbuf));
		817	if(!myisdigit(dbuf[0])) dbuf[0]=0;
		818	if(dbuf[0]!=0 && bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"main");
		819	if(dbuf[0]==0)
		820	output("<a href=\"%s%s_doc~.html\">%s</a>", ref_base,lbuf,b2);
		821	else
		822	output("<a href=\"%s%s_doc~%s~%s.html\">%s</a>",
		823	ref_base,lbuf,dbuf,bbuf,b2);
		824	}
		825	else {
		826	for(s=strchr(mbuf,'/'); s!=NULL; s=strchr(s+1,'/')) *s='~';
		827	output("<a href=\"%s%s_%s.html\">%s</a>", ref_base,lbuf,mbuf,b2);
		828	}
		829	return;
10	reyssat	830	}
1363	bpr	831	s=getvar("wims_ref_id");
		832	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	833	snprintf(sti,sizeof(sti)," id=\"%s\"",s);
1363	bpr	834	}
		835	else sti[0]=0;
7379	bpr	836
1363	bpr	837	s=getvar("wims_ref_class");
		838	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	839	snprintf(stc,sizeof(stc)," class=\"%s\"",s);
1363	bpr	840	}
		841	else stc[0]=0;
7379	bpr	842
2026	bpr	843	s=getvar("wims_ref_title");
		844	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	845	snprintf(stt,sizeof(stt)," title=\"%s\"",s);
2026	bpr	846	}
		847	else stt[0]=0;
7379	bpr	848
10	reyssat	849	s=getvar("wims_ref_target");
		850	if(href_target[0]!=0) s=href_target;
		851	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	852	snprintf(st,sizeof(st)," target=\"%s\"",s);
		853	if(strcmp(s,"_parent")!=0) {
		854	new=1; wn="wims_window=new&";
		855	}
10	reyssat	856	}
		857	else st[0]=0;
		858	_httpfollow(b1,wn,new);
		859	tohttpquery(b1);
		860	if(strstr(session_prefix,"_check")!=NULL) {
7379	bpr	861	if(*b2) output(U,b2);
		862	else _output_("<a id=\"0\"></a>");
		863	return;
10	reyssat	864	}
		865	if(jsbuf[0]==0 && st[0]==0 && strstr(session_prefix,"_exam")!=NULL) {
7407	bpr	866	p1=strstr(b1,"cmd=");
7379	bpr	867	if(p1!=NULL) {
		868	p1+=strlen("cmd=");
		869	if(strncmp(p1,"new",3)==0 \|\| strncmp(p1,"renew",5)==0 \|\|
		870	strncmp(p1,"intro",5)==0) {
		871	if(*b2) output(U,b2);
		872	else _output_("<a id=\"#\"></a>");
		873	return;
		874	}
		875	}
10	reyssat	876	}
		877	if(*b2)
2026	bpr	878	output("<a href=\"%s?%s\"%s%s %s %s %s>%s</a>",
7379	bpr	879	ref_name, b1, st, jsbuf,sti,stc,stt,b2);
10	reyssat	880	else
2026	bpr	881	output("<a href=\"%s?%s\"%s%s %s %s %s>",ref_name, b1, st, jsbuf,sti,stc,stt);
		882	setvar("wims_ref_id","");
		883	setvar("wims_ref_class","");
		884	setvar("wims_ref_title","");
10	reyssat	885	}
		886
8213	bpr	887	/* Create form refering to the page. */
10	reyssat	888	void exec_form(char *p)
		889	{
		890	char s, p1, p2, a, m, opt, st[128], *wn="";
		891	char abuf[128];
		892	int i, new=0;
		893	if(!outputing) return;
		894	href_find_target(p);
		895	s=getvar("wims_ref_target");
		896	if(href_target[0]!=0) s=href_target;
		897	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	898	snprintf(st,sizeof(st)," target=\"%s\"",s);
		899	if(strcmp(s,"_parent")!=0) {
		900	new=1; wn="<input type=\"hidden\" name=\"wims_window\" value=\"yes\" />\n";
		901	}
10	reyssat	902	}
		903	else st[0]=0;
		904	a=getvar("wims_ref_anchor"); if(a==NULL) a="";
		905	opt=find_word_start(find_word_end(find_word_start(p)));
		906	m=getvar("wims_form_method");
		907	if(m!=NULL) {
7379	bpr	908	m=find_word_start(m);
		909	if(strncasecmp(m,"post",4)==0) m="post";
		910	else if(strncasecmp(m,"get",3)==0) m="get";
		911	else if(strncasecmp(m,"file",4)==0) {
		912	m="post\" enctype=\"multipart/form-data";
		913	snprintf(abuf,sizeof(abuf),"?form-data%ld%s",random(),a); a=abuf;
		914	force_setvar("wims_form_method","");
		915	}
		916	else m=default_form_method;
10	reyssat	917	}
		918	else m=default_form_method;
		919	if(strstr(session_prefix,"_check")!=NULL) {
7379	bpr	920	output("<form action=\"NON_EXISTING_PAGE\" onsubmit=\"window.close();\" %s>\n",
		921	opt);
		922	return;
10	reyssat	923	}
7557	obado	924	output("<form action=\"%s%s\"%s method=\"%s\" %s>\n<div class='wims_form'>%s",ref_name,a,st,m,opt,wn);
10	reyssat	925	if(a!=abuf && a[0]) force_setvar("wims_ref_anchor","");
		926	for(i=0;i<follow_no;i++) {
7379	bpr	927	if(robot_access && follow_list[i]==ro_session) continue;
		928	if(!new && follow_list[i]!=ro_session
		929	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		930	continue;
		931	if(follow_list[i]==ro_module) continue;
		932	s=getvar(ro_name[follow_list[i]]);
		933	if(s!=NULL && *s!=0) {
		934	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		935	char st[MAX_LINELEN+1];
		936	char *s1;
		937	s1=getvar("wims_session");
		938	if(s1==NULL) internal_error("exec_form() error.\n");
		939	snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		940	s=st;
		941	}
		942	output("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
		943	ro_name[follow_list[i]],s);
		944	}
10	reyssat	945	}
		946	p1=find_word_start(p);p2=find_word_end(p1);
		947	if(p2>p1) {
7379	bpr	948	char buf[64];
		949	int i;
		950	i=p2-p1; if(i>60) i=60;
		951	memmove(buf,p1,i);buf[i]=0;
		952	for(i=0;i<CMD_NO && strcmp(buf,commands[i]);i++);
		953	if(i<CMD_NO) {
		954	output("<input type=\"hidden\" name=\"cmd\" value=\"%s\" />\n",buf);
		955	if(i!=cmd_intro && i!=cmd_new)
		956	output("<input type=\"hidden\" name=\"module\" value=\"%s\" />\n",
		957	getvar(ro_name[ro_module]));
		958	}
		959	}
10	reyssat	960	}
		961
8213	bpr	962	/* Creat link to trap robot access, an internal command
		963	* which should not be documented
		964	*/
10	reyssat	965	void exec_robottrap(char *p)
		966	{
		967	char buf[MAX_LINELEN+1];
		968	if(robot_access) return;
3718	reyssat	969	ovlstrcpy(buf,"session=$wims_session.1&module=adm/trap");
7557	obado	970	_output_("<!-- "); exec_href(buf);_output_("Robot trapper, do not click!</a> -->");
		971	_output_("<div class='wimstrap'>");exec_href(buf); _output_("<span></span></a></div>");
10	reyssat	972	}
		973
8213	bpr	974	/* set definitions in a file. Trusted modules only. */
10	reyssat	975	void exec_setdef(char *p)
		976	{
		977	char p1, pp;
		978	char nbuf[MAX_LINELEN+1], fbuf[MAX_LINELEN+1], tbuf[MAX_LINELEN+1];
		979	if(robot_access \|\| !trusted_module() \|\| is_class_module) return;
		980	p1=wordchr(p,"in"); if(p1==NULL) module_error("syntax_error");
		981	*p1=0; p1=find_word_start(p1+strlen("in"));
3718	reyssat	982	ovlstrcpy(nbuf,p);
10	reyssat	983	mystrncpy(tbuf,p1,sizeof(tbuf));
		984	substit(nbuf); substit(tbuf);
		985	if(find_module_file(tbuf,fbuf,1)) return;
		986	pp=find_word_start(nbuf); p1=find_word_start(fbuf); *find_word_end(p1)=0;
		987	strip_trailing_spaces(pp);
		988	setdef(p1,pp);
		989	}
		990
8213	bpr	991	/* Set a variable. */
10	reyssat	992	void exec_set(char *name)
		993	{
		994	char p, defn, *parm;
		995	char tbuf2[MAX_LINELEN+1], namebuf[MAX_LINELEN+1];
		996	int i;
		997
		998	p=strchr(name,'=');
		999	if(p==NULL) return; /* warning or error! */
		1000	*p=0; defn=find_word_start(p+1);
		1001	*find_word_end(name)=0;
		1002	mystrncpy(namebuf,find_word_start(name),sizeof(namebuf));
8213	bpr	1003	/* we allow substit in names, to implement array */
7379	bpr	1004	substit(namebuf); *find_word_end(namebuf)=0;
10	reyssat	1005	if(*defn!=calc_prefix_char) {
7379	bpr	1006	/* substitute by default */
		1007	mystrncpy(tbuf2,defn,sizeof(tbuf2));
		1008	substit(tbuf2); setvar(namebuf,tbuf2); return;
10	reyssat	1009	}
7379	bpr	1010	/* called from !readdef */
10	reyssat	1011	if((untrust&4)!=0) module_error("not_trusted");
7379	bpr	1012	/* definition is a command */
		1013	parm=find_word_end(defn+1);
10	reyssat	1014	if( parm != 0 ) { parm=0; parm=find_word_start(parm+1); }
		1015	i=m_file.lines[m_file.l].varcode;
		1016	if(i<0) {
7379	bpr	1017	i=search_list(calc_routine,CALC_FN_NO,sizeof(calc_routine[0]),defn+1);
		1018	m_file.lines[m_file.l].varcode=i;
10	reyssat	1019	}
		1020	if(i<0) {
7379	bpr	1021	/* replace by warning? */
		1022	setvar(error_data_string,defn+1); module_error("bad_cmd");
		1023	return;
10	reyssat	1024	}
		1025	mystrncpy(tbuf2,parm,sizeof(tbuf2)); execnt++;
		1026	if(calc_routine[i].tag==0) substit(tbuf2);
		1027	tbuf2[sizeof(tbuf2)-1]=0; calc_routine[i].routine(tbuf2);
7379	bpr	1028	/* remove trailing new line */
10	reyssat	1029	tbuf2[sizeof(tbuf2)-1]=0;
		1030	if(tbuf2[strlen(tbuf2)-1]=='\n') tbuf2[strlen(tbuf2)-1]=0;
		1031	setvar(namebuf,tbuf2);
		1032	}
		1033
8213	bpr	1034	/* set but do not overwrite. */
10	reyssat	1035	void exec_default(char *p)
		1036	{
		1037	char start, end, c, *pp;
		1038	char namebuf[MAX_LINELEN+1];
		1039	start=find_word_start(p);
		1040	for(end=start;end!=0 && !isspace(end) && *end!='='; end++);
		1041	c=end; end=0;
		1042	if(end-start<=MAX_LINELEN-1) {
7379	bpr	1043	memmove(namebuf,start,end-start+1); substit(namebuf);
		1044	pp=getvar(namebuf);
		1045	if(pp!=NULL && *pp!=0) return;
10	reyssat	1046	}
		1047	*end=c; exec_set(p);
		1048	}
		1049
8213	bpr	1050	/* Does nothing; just a comment. */
10	reyssat	1051	void exec_comment(char *p)
		1052	{
		1053	return;
		1054	}
		1055
8213	bpr	1056	/* Exit the file under interpretation */
10	reyssat	1057	void exec_exit(char *p)
		1058	{
		1059	m_file.linepointer=m_file.linecnt;
		1060	return;
		1061	}
		1062
8213	bpr	1063	/* output a file. Undocumented. Aliases:
7379	bpr	1064	* getfile, outfile, fileout */
10	reyssat	1065	void exec_getfile(char *p)
		1066	{
		1067	char s, p1, url[MAX_LINELEN+1];
		1068	char *prompt;
7379	bpr	1069
10	reyssat	1070	p=find_word_start(p); prompt=find_word_end(p);
		1071	if(prompt!=0) prompt++=0;
		1072	prompt=find_word_start(prompt);
		1073	if(*p==0 \|\| !outputing) return;
		1074	if(!trusted_module() \|\| is_class_module) return;
		1075	s=getvar(ro_name[ro_session]);
		1076	if(s==NULL \|\| *s==0 \|\| strstr(s,"robot")!=NULL) return;
		1077	mystrncpy(url,ref_name,sizeof(url));
		1078	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1079	if(good_httpd) snprintf(p1,sizeof(url)+p1-url,
7379	bpr	1080	"getfile/%s?&+session=%s&+modif=%ld",
		1081	p,s,nowtime);
10	reyssat	1082	else snprintf(url,sizeof(url),
7379	bpr	1083	"%s?cmd=getfile&+session=%s&+special_parm=%s&+modif=%ld",
		1084	ref_name,s,p,nowtime);
10	reyssat	1085	snprintf(jsbuf,sizeof(jsbuf),jsstr,"wims_file","wims_file");
1050	bpr	1086	if(*prompt) output("<a href=\"%s\">%s</a>\n", url,prompt);
1119	bpr	1087	else output("<a href=\"%s\"></a>",url);
10	reyssat	1088	}
		1089
8213	bpr	1090	/* internal */
10	reyssat	1091	void count_insert(void)
		1092	{
		1093	insert_no++;
		1094	if(insert_no>=INS_LIMIT) module_error("too_many_ins");
		1095	}
		1096
		1097	int animated_ins=0;
		1098	int grouped_ins=0;
		1099
8185	bpr	1100	/* generic insertion */
10	reyssat	1101	void _exec_ins(char p, char script_name,char *format)
		1102	{
		1103	char s, b, at, tag, tag2, al, fmt, mh;
		1104	char p1, pt;
		1105	char buf[1024],buf2[1024],url[MAX_LINELEN+1],altbuf[1024];
		1106	char outbuf[1024];
		1107	int border, middle, vspace;
		1108	long int tel;
		1109
		1110	if(robot_access) return;
		1111	count_insert(); outbuf[0]=0;
		1112	setenv("ins_source",p,1); /* value kept from user tamper */
		1113	if(animated_ins) fmt=getvar("anim_format"); else fmt=format;
		1114	if(fmt==NULL) fmt="gif";
		1115	if(ismhelp) mh="mh"; else mh="";
		1116	snprintf(buf,sizeof(buf),"%s/insert%s-%d.%s",s2_prefix,mh,insert_no,fmt);
		1117	if(grouped_ins) {unlink(buf); goto grouped;}
		1118	exportall();
		1119	call_ssh("%s/%s %d %s >%s/ins.out 2>%s/ins.err",
7379	bpr	1120	bin_dir,script_name,insert_no,tmp_dir,tmp_dir,tmp_dir);
10	reyssat	1121	unlink(buf); wrapexec=1;
		1122	if(trusted_module()) setenv("trusted_module","yes",1);
		1123	else if(untrust) setenv("trusted_module","no",1);
		1124	call_ssh("mv %s/insert%s-%d.%s %s >/dev/null 2>/dev/null",
7379	bpr	1125	tmp_dir,mh,insert_no,fmt,s2_prefix);
10	reyssat	1126	tel=filelength("%s", buf);
		1127	if(tel<=5) {
7379	bpr	1128	char bbuf[MAX_LINELEN+1];
		1129	accessfile(bbuf,"r","%s/ins.err",tmp_dir);
		1130	snprintf(url,sizeof(url),"gifs/badins.gif");
		1131	for(p1=bbuf;p1<bbuf+512 && *p1;p1++)
		1132	if(p1=='<' \|\| p1=='>') *p1='?';
		1133	*p1=0;
		1134	if(bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"Fail");
		1135	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1136	" <img src=\"%s\" alt=\"Error\" /> <small><pre>%s</pre></small> <br /> ",
		1137	url,bbuf);
		1138	setvar("ins_warn","fail");
		1139	setvar("ins_cnt","0");
		1140	goto reset;
10	reyssat	1141	}
		1142	grouped:
		1143	s=getvar(ro_name[ro_session]);
		1144	b=getvar("ins_border"); at=getvar("ins_attr");
		1145	tag=getvar("ins_tag"); al=getvar("ins_align");
		1146	if(at==NULL) at="";
		1147	if(tag==NULL) tag="";
		1148	if(al==NULL) al="";al=find_word_start(al);
6265	bpr	1149	if(*al!=0) snprintf(buf2,sizeof(buf2),"vertical-align:%s",al); else buf2[0]=0;
10	reyssat	1150	if(strcasecmp(al,"middle")==0) middle=1; else middle=0;
		1151	tag2=""; vspace=0;
		1152	if(*tag!=0) {
7379	bpr	1153	mystrncpy(buf,tag,sizeof(buf)); tag=find_word_start(buf);
		1154	tag2=find_word_end(tag);
		1155	if(tag2!=0) tag2++=0;
		1156	tag2=find_word_start(tag2);
10	reyssat	1157	}
		1158	if(b==NULL \|\| *b==0) border=0;
		1159	else border=atoi(b);
		1160	if(border<0) border=0; if(border>100) border=100;
		1161	if(middle) {
7379	bpr	1162	snprintf(outbuf+strlen(outbuf),
		1163	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup1);
		1164	vspace=2;
10	reyssat	1165	}
		1166	mystrncpy(url,ref_name,sizeof(url));
		1167	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1168	snprintf(p1,sizeof(url)+p1-url,
7379	bpr	1169	"wims.%s?cmd=getins&+session=%s&+special_parm=insert%s-%d.%s&+modif=%ld",
		1170	fmt,s,mh,insert_no,fmt,nowtime);
10	reyssat	1171	if(strchr(ins_alt,'"')!=NULL \|\| strlen(ins_alt)>256) ins_alt[0]=0;
		1172	pt=getvar("wims_ins_alt"); if(pt==NULL) pt="";
		1173	if(ins_alt[0] && strcmp(pt,"none")!=0)
3522	bpr	1174	snprintf(altbuf,sizeof(altbuf)," alt=\"%s\"",ins_alt);
		1175	else snprintf(altbuf,sizeof(altbuf)," alt=\"\"");
10	reyssat	1176	if(strcasecmp(tag,"form")!=0) {
7379	bpr	1177	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1178	"<img src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1179	url, border, vspace, buf2, at, altbuf);
10	reyssat	1180	}
		1181	else {
7379	bpr	1182	char n, nend;
6168	bpr	1183	/* fix: add quotes at name=" " */
7379	bpr	1184	if(*tag2!=0) {n="name=\"" ; nend="\"";} else {n=""; nend="";}
		1185	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1186	"<input type=\"image\" %s%s%s src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1187	n,tag2,nend,url,border,vspace,buf2,at,altbuf);
10	reyssat	1188	}
		1189	if(middle) snprintf(outbuf+strlen(outbuf),
7379	bpr	1190	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup2);
10	reyssat	1191	setvar("ins_warn",""); ins_alt[0]=0;
		1192	setvar("ins_cnt",int2str(insert_no));
		1193	reset:
		1194	if(outputing) _output_(outbuf);
		1195	setvar("ins_out",outbuf);
		1196	setvar("ins_attr",""); setvar("ins_tag","");
		1197	setvar("ins_url",url);
		1198	snprintf(buf2,sizeof(buf2),"insert%s-%d.%s",mh,insert_no,fmt);
		1199	setvar("ins_filename",buf2);
		1200	animated_ins=0;
		1201	}
		1202
8155	bpr	1203	/* instex: dynamically insert tex outputs */
10	reyssat	1204	void exec_instex(char *p)
		1205	{
		1206	char ts, tc, f, mh, buf[MAX_FNAME+1];
7379	bpr	1207
10	reyssat	1208	if(robot_access) {
7379	bpr	1209	*p=0; return;
10	reyssat	1210	}
		1211	f=instex_check_static(p); substit(p);
		1212	if(f==NULL) {
8155	bpr	1213	/* Use static instex if there is no real substitution
		1214	* and the source file is not in sessions directory.
		1215	*/
7379	bpr	1216	calc_instexst(p); if(outputing) _output_(p);
		1217	return;
10	reyssat	1218	}
		1219	if(ismhelp) mh="mh"; else mh="";
		1220	fix_tex_size(); f="gif";
		1221	setenv("texgif_style",instex_style,1);
3415	bpr	1222	tc=getvar("instex_texheader"); if (tc) { setenv("texgif_texheader",tc,1);}
10	reyssat	1223	setenv("texgif_tmpdir",tmp_dir,1);
		1224	setenv("texgif_src",p,1);
		1225	if(ins_alt[0]==0) mystrncpy(ins_alt,p,sizeof(ins_alt));
		1226	mkfname(buf,"%s/insert%s-%d.gif",tmp_dir,mh,insert_no+1);
		1227	setenv("texgif_outfile",buf,1);
		1228	ts=getvar("wims_texsize"); tc=getvar("instex_color");
7379	bpr	1229	if(lastout_file!=-1 && (tc==NULL \|\| *tc==0) &&
10	reyssat	1230	(ts==NULL \|\| *ts==0 \|\| strcmp(ts,"0")==0) &&
		1231	strstr(p,"\\begin{")==NULL) {
7379	bpr	1232	int ls, ln;
		1233	char *pagebreak;
		1234	ls=strlen(instex_src); ln=strlen(instex_fname);
		1235	if(ls+strlen(p)>=MAX_LINELEN-256 \|\|
		1236	ln+strlen(buf)>=MAX_LINELEN-16) {
		1237	instex_flush(); ls=ln=0;
		1238	}
		1239	if(instex_cnt>0) pagebreak="\\pagebreak\n"; else pagebreak="";
		1240	snprintf(instex_src+ls,MAX_LINELEN-ls,"%s %s %s %s\n",
		1241	pagebreak,instex_style,p,instex_style);
		1242	snprintf(instex_fname+ln,MAX_LINELEN-ln,"%s\n",buf);
		1243	grouped_ins=1;
10	reyssat	1244	}
		1245	mkfname(buf,"%s/texgif.dvi",tmp_dir); unlink(buf);
		1246	wrapexec=0; _exec_ins(p,instex_processor,f);
		1247	if(grouped_ins) instex_cnt++;
		1248	grouped_ins=0;
		1249	}
		1250
8152	bpr	1251	/* patches the gnuplot integer division (mis)feature. */
10	reyssat	1252	void gnuplot_patch(char *p,int oneline)
		1253	{
		1254	char *pp;
		1255	for(pp=strchr(p,'/');pp!=NULL;pp=strchr(pp+1,'/')) {
7379	bpr	1256	char *p1;
		1257	if(pp<=p \|\| !myisdigit((pp-1)) \|\| !myisdigit((pp+1))) continue;
		1258	for(p1=pp-2;p1>=p && myisdigit(*p1);p1--);
		1259	if(p1>=p && *p1=='.') continue;
		1260	for(p1=pp+2;p1 && myisdigit(p1);p1++);
		1261	if(*p1=='.') continue;
		1262	string_modify(p,p1,p1,".0");
10	reyssat	1263	}
		1264	for(pp=strchr(p,'^');pp!=NULL;pp=strchr(pp+1,'^'))
		1265	string_modify(p,pp,pp+1,"**");
8155	bpr	1266	/* disallow new lines and ';' */
10	reyssat	1267	if(oneline)
		1268	for(pp=p;pp!=0;pp++) if(pp==';' \|\| pp=='\n') pp=' ';
		1269	}
		1270
8152	bpr	1271	/* This is to disable pipe in the gnuplot plotting function.
		1272	* We do not allow ' followed by < .
		1273	*/
10	reyssat	1274	void prepare_insplot_parm(char *p)
		1275	{
		1276	int i,j,multanim; char pp, s;
		1277	double d;
		1278	char setbuf[MAX_LINELEN+10],buf[MAX_LINELEN+1];
7379	bpr	1279
10	reyssat	1280	j=strlen(p);
8155	bpr	1281	/* pipe in plot command */
10	reyssat	1282	for(i=0;i<j;i++) {
7379	bpr	1283	if((p+i)!='\'' && (p+i)!='"') continue;
		1284	pp=find_word_start(p+i+1); if(*pp=='<') module_error("illegal_plot_cmd");
10	reyssat	1285	}
		1286	gnuplot_patch(p,1);
8155	bpr	1287	/* multiplot */
10	reyssat	1288	multanim=0;
		1289	pp=getvar("insplot_split");
		1290	if(pp!=NULL) i=linenum(pp); else i=0;
8155	bpr	1291	/* arbitrary limit: 16 multiplots */
10	reyssat	1292	if(i>16) i=16;
		1293	if(i>1) {
7379	bpr	1294	char tbuf[MAX_LINELEN*(i+1)+100], bbuf[MAX_LINELEN+1];
		1295	tbuf[0]=0;
		1296	if(*p!=0) snprintf(tbuf,sizeof(tbuf),"%s\n",p);
		1297	snprintf(buf,sizeof(buf),"%d",i); setenv("multiplot",buf,1);
		1298	for(j=1;j<=i;j++) {
		1299	snprintf(buf,sizeof(buf),"insplot_parm_%d",j);
		1300	pp=getvar(buf);
		1301	if(pp==NULL \|\| *pp==0) {
		1302	if(j==1 && *p!=0) continue;
		1303	pp="";
		1304	}
		1305	else {
		1306	mystrncpy(bbuf,pp,sizeof(bbuf));
		1307	gnuplot_patch(bbuf,1);
		1308	}
		1309	strcat(tbuf,bbuf);strcat(tbuf,"\n");
		1310	}
		1311	setenv("insplot_source",tbuf,1);
		1312	if(varchr(tbuf,"s")!=NULL) multanim=1;
10	reyssat	1313	}
8155	bpr	1314	/* no illegal chaining */
10	reyssat	1315	pp=getvar("insplot_font"); if(pp!=NULL) {
7379	bpr	1316	for(s=pp;s<pp+MAX_LINELEN && *s;s++)
		1317	if(s==';' \|\| s=='\n' \|\| s==' ') s=0;
		1318	if(s>=pp+MAX_LINELEN) *s=0;
		1319	setvar("insplot_font",pp);
10	reyssat	1320	}
		1321	pp=getvar("insplot_set"); if(pp!=NULL) {
7379	bpr	1322	char tbuf[MAX_LINELEN+1];
		1323	mystrncpy(tbuf,pp,sizeof(tbuf));
		1324	i=strlen(tbuf)-1;
		1325	while(i>0 && isspace(tbuf[i])) i--;
		1326	if(tbuf[i]==';') tbuf[i]=0;
		1327	gnuplot_patch(tbuf,0);pp=tbuf;
		1328	ovlstrcpy(setbuf,"set "); j=strlen("set ");
		1329	for(i=0; *(pp+i)!=0 && j<MAX_LINELEN; i++) {
		1330	if(*(pp+i)=='\n') {setbuf[j++]=' '; continue;}
		1331	if((pp+i)!=';') {setbuf[j++]=(pp+i); continue;}
		1332	ovlstrcpy(setbuf+j,"\nset "); j+=strlen("\nset ");
		1333	}
		1334	setbuf[j]=0;
		1335	setenv("insplot_set",setbuf,1);
10	reyssat	1336	}
		1337	else setenv("insplot_set","",1);
8155	bpr	1338	/* frames of animation */
10	reyssat	1339	pp=getvar("ins_anim_frames");
		1340	if(pp!=NULL) i=evalue(pp); else i=1;
		1341	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1; if(i<1) i=1;
		1342	if(strstr(setbuf,"step")==NULL && strstr(p,"step")==NULL
		1343	&& varchr(setbuf,"s")==NULL && varchr(p,"s")==NULL && !multanim) i=1;
		1344	setenv("ins_anim_frames",int2str(i),1);
		1345	setvar("ins_anim_frames","");
		1346	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1347	else setvar("ins_animation","no");
8155	bpr	1348	/* delay of animation */
10	reyssat	1349	pp=getvar("ins_anim_delay");
		1350	if(pp!=NULL) d=evalue(pp); else d=0;
		1351	if(d>=10) d=10; if(d<0) d=0;
		1352	setenv("ins_anim_delay",int2str(d*100),1);
		1353	}
		1354
8152	bpr	1355	/* Insert dynamic 2d plot */
10	reyssat	1356	void exec_insplot(char *p)
		1357	{
		1358	char *fmt;
		1359	if(robot_access) {
7379	bpr	1360	*p=0; return;
10	reyssat	1361	}
		1362	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1363	prepare_insplot_parm(p); setenv("insplot_method","2D",1);
		1364	_exec_ins(p,insplot_processor,fmt);
		1365	wrapexec=1;
		1366	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
		1367	unsetenv("multiplot"); setvar("insplot_split","");
		1368	}
		1369
8213	bpr	1370	/* Insert dynamic 3d plot */
10	reyssat	1371	void exec_insplot3d(char *p)
		1372	{
		1373	char *fmt;
		1374	if(robot_access) {
7370	bpr	1375	*p=0; return;
10	reyssat	1376	}
		1377	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1378	prepare_insplot_parm(p); setenv("insplot_method","3D",1);
		1379	_exec_ins(p,insplot_processor,fmt);
		1380	wrapexec=1;
		1381	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
		1382	unsetenv("multiplot");setvar("insplot_split","");
		1383	}
		1384
8155	bpr	1385	/* Insert dynamic gif draw. The parm preparation is specific to fly. */
10	reyssat	1386	void exec_insdraw(char *p)
		1387	{
		1388	char pp, fmt;
		1389	int i;
		1390	double d;
7379	bpr	1391
10	reyssat	1392	if(robot_access) {
7370	bpr	1393	*p=0; return;
10	reyssat	1394	}
7370	bpr	1395	/* calc_tolower(p);*/
10	reyssat	1396	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1397	while((pp=wordchr(p,"output"))!=NULL) memmove(pp,"zqkwfx",6);
8155	bpr	1398	/* frames of animation */
10	reyssat	1399	pp=getvar("ins_anim_frames");
		1400	if(pp!=NULL) i=evalue(pp); else i=1;
		1401	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1; if(i<1) i=1;
		1402	if(i>1 && varchr(p,"s")==NULL && varchr(p,"animstep")==NULL
		1403	&& varchr(p,"step")==NULL) i=1;
		1404	setenv("ins_anim_frames",int2str(i),1);
		1405	setvar("ins_anim_frames","");
		1406	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1407	else setvar("ins_animation","no");
8155	bpr	1408	/* delay of animation */
10	reyssat	1409	pp=getvar("ins_anim_delay");
		1410	if(pp!=NULL) d=evalue(pp); else d=0;
		1411	if(d>=10) d=10; if(d<0) d=0;
		1412	setenv("ins_anim_delay",int2str(d*100),1);
		1413	pp=getvar("insdraw_filebase");
		1414	if(pp!=NULL && strstr(pp,parent_dir_string)!=NULL)
		1415	setvar("insdraw_filebase","");
		1416	_exec_ins(p,insdraw_processor,fmt);
		1417	}
		1418
		1419	void exec_increase(char *p)
		1420	{
		1421	char p1, p2;
		1422	p1=find_word_start(p); p2=find_word_end(p1);
		1423	if(p2<=p1) {
7370	bpr	1424	*p=0; return;
10	reyssat	1425	}
		1426	*p2=0;p2=getvar(p1);
		1427	if(p2==NULL) p2="";
		1428	setvar(p1,int2str(atoi(p2)+1)); *p=0;
		1429	}
		1430
7370	bpr	1431	/* bound a variable */
10	reyssat	1432	void exec_bound(char *p)
		1433	{
		1434	char p1, p2, *p3;
		1435	int doub,i,bcnt,defaulted;
		1436	double d1,d2,dd,val;
		1437	char nbuf[MAX_LINELEN+1],lbuf[MAX_LINELEN+1],dbuf[MAX_LINELEN+1];
		1438	char vbuf[MAX_LINELEN+1];
		1439	char *blist[2048];
7379	bpr	1440
10	reyssat	1441	p1=find_word_start(p); p2=find_word_end(p1);
		1442	if(*p2==0) {
7379	bpr	1443	syntax: module_error("syntax_error");
10	reyssat	1444	}
3718	reyssat	1445	*p2=0; ovlstrcpy(nbuf,p1);substit(nbuf); p1=find_word_start(p2+1);
10	reyssat	1446	p2=getvar(nbuf);if(p2==NULL) p2="";
		1447	mystrncpy(vbuf,find_word_start(p2),sizeof(vbuf));
		1448	strip_trailing_spaces(vbuf);
		1449	p2=find_word_end(p1); if(*p2==0) goto syntax;
		1450	*p2=0;p2++;
		1451	p3=wordchr(p2,"default");
		1452	if(p3!=NULL) {
7379	bpr	1453	*p3=0; defaulted=1;
		1454	p3=find_word_start(p3+strlen("default"));
		1455	ovlstrcpy(dbuf,p3); substit(dbuf);
10	reyssat	1456	}
		1457	else defaulted=0;
		1458	if(strcmp(p1,"between")==0) {
7379	bpr	1459	p1=find_word_start(p2);
		1460	i=strlen("integer");
		1461	if(strncmp(p1,"integer",i)==0 &&
		1462	(isspace((p1+i)) \|\| ((p1+i)=='s' && isspace(*(p1+i+1))))) {
		1463	doub=0; p1=find_word_start(find_word_end(p1));
		1464	val=rint(evalue(vbuf));
		1465	if(vbuf[0]) float2str(val,vbuf);
		1466	}
		1467	else {
		1468	doub=1;val=evalue(vbuf);
		1469	}
		1470	p2=wordchr(p1,"and"); p3=p2+strlen("and");
		1471	if(p2==NULL) {
		1472	p2=strchr(p1,','); p3=p2+1;
		1473	}
		1474	if(p2==NULL) goto syntax;
		1475	*p2=0;p2=find_word_start(p3);
		1476	if(p1==0 \|\| p2==0) goto syntax;
		1477	d1=evalue(p1);d2=evalue(p2);
8171	bpr	1478	if(!isfinite(d1) \|\| !isfinite(d2) \|\|
7379	bpr	1479	abs(d1)>(double)(1E10) \|\| abs(d2)>(double)(1E10)) goto syntax;
		1480	if(d1>d2) {
		1481	dd=d1;d1=d2;d2=dd;
		1482	}
		1483	if(vbuf[0] && val<=d2 && val>=d1) {
		1484	if(!doub) setvar(nbuf,vbuf);
		1485	*p=0; return;
		1486	}
		1487	if(defaulted) ovlstrcpy(p,dbuf);
		1488	else {
		1489	if(!doub) {
		1490	d1=ceil(d1);d2=floor(d2);
		1491	}
		1492	if(vbuf[0]==0 \|\| val<d1) val=d1;
		1493	else val=d2;
		1494	float2str(val,p);
		1495	}
		1496	setvar(nbuf,p); *p=0; return;
10	reyssat	1497	}
		1498	else {
7379	bpr	1499	if(strcmp(p1,"within")==0 \|\| strcmp(p1,"among")==0) {
		1500	ovlstrcpy(lbuf,p2);substit(lbuf);
		1501	bcnt=cutitems(lbuf,blist,2048);
		1502	if(bcnt<=0) {
		1503	*p=0; return;
		1504	}
		1505	for(i=0;i<bcnt;i++) {
		1506	if(strcmp(blist[i],vbuf)==0) {
		1507	*p=0; return;
		1508	}
		1509	}
		1510	if(defaulted) ovlstrcpy(p,dbuf); else ovlstrcpy(p,blist[0]);
		1511	setvar(nbuf,p); *p=0;
		1512	return;
10	reyssat	1513	}
7379	bpr	1514	else goto syntax;
		1515	}
10	reyssat	1516	}
		1517
8155	bpr	1518	/* detrust the module. */
10	reyssat	1519	void exec_detrust(char *p)
7379	bpr	1520	{ untrust\|=1; *p=0; }
10	reyssat	1521
		1522	void exec_warn(char *p)
		1523	{
		1524	char p1,p2;
		1525	char buf[MAX_FNAME+1];
		1526	WORKING_FILE save;
		1527
		1528	if(!outputing) goto end;
		1529	p1=find_word_start(p);p2=find_word_end(p1);
		1530	if(p2<=p1) goto end;
		1531	*p2=0;
		1532	snprintf(buf,sizeof(buf),"wims_warn_%s",p1);
		1533	p2=getvar(buf);
		1534	if(p2==NULL \|\| *p2==0) goto end;
		1535	p2=getvar("module_language");if(p2==NULL) p2="en";
		1536	mkfname(buf,"msg/warn_%s.phtml.%s",p1,p2);
		1537	memmove(&save,&m_file,sizeof(WORKING_FILE));
		1538	if(open_working_file(&m_file,buf)==0) phtml_put(NULL,0);
		1539	memmove(&m_file,&save,sizeof(WORKING_FILE));
		1540	end:
		1541	*p=0; return;
		1542	}
		1543
8155	bpr	1544	/* write an error message. */
10	reyssat	1545	void exec_msg(char *p)
		1546	{
		1547	char p1,p2, buf[64], *l;
		1548	secure_exec();
		1549	p1=find_word_start(p); p2=find_word_end(p1);
		1550	if(*p2) {
7379	bpr	1551	*p2=0; p2=find_word_start(p2+1);
10	reyssat	1552	}
		1553	force_setvar("wims_error",p1); force_setvar("wims_error_parm",p2);
		1554	l=getvar("module_language");
		1555	if(l!=NULL && strlen(l)==2) {
7379	bpr	1556	snprintf(buf,sizeof(buf),"msg.phtml.%s",l);
		1557	phtml_put_base(buf,0);
10	reyssat	1558	}
		1559	*p=0;
		1560	}
		1561
8185	bpr	1562	struct distr_cmd distr_cmd[]={
7379	bpr	1563	{"char", NULL},
		1564	{"charof", NULL},
		1565	{"chars", NULL},
		1566	{"charsof", NULL},
		1567	{"item", cutitems},
		1568	{"itemof", cutitems},
		1569	{"items", cutitems},
		1570	{"itemsof", cutitems},
		1571	{"line", cutlines},
		1572	{"lineof", cutlines},
		1573	{"lines", cutlines},
		1574	{"linesof", cutlines},
		1575	{"list", cutitems},
		1576	{"word", cutwords},
		1577	{"wordof", cutwords},
		1578	{"words", cutwords},
		1579	{"wordsof", cutwords}
10	reyssat	1580	};
		1581
8185	bpr	1582	int distr_cmd_no=(sizeof(distr_cmd)/sizeof(distr_cmd[0]));
10	reyssat	1583
8155	bpr	1584	/* distribute a number of lines, items, etc. into a list of vars. */
10	reyssat	1585	void exec_distribute(char *p)
		1586	{
		1587	int i,k,n;
		1588	char p1, p2;
		1589	char bf1[MAX_LINELEN+1],bf2[MAX_LINELEN+1];
		1590	char names[4096],vals[4096];
		1591	p1=find_word_start(p); p2=find_word_end(p1);
		1592	if(p2<=p1 \|\| *p2==0) module_error("syntax_error");
		1593	*p2++=0;
		1594	i=search_list(distr_cmd,distr_cmd_no,sizeof(distr_cmd[0]),p1);
		1595	if(i<0) module_error("syntax_error");
		1596	p2=find_word_start(p2); p1=wordchr(p2,"into");
		1597	if(p1==NULL) module_error("syntax_error");
		1598	*p1=0;mystrncpy(bf1,p2,sizeof(bf1));
		1599	p1=find_word_start(p1+strlen("into"));
		1600	mystrncpy(bf2,p1,sizeof(bf2));
		1601	substit(bf1);substit(bf2);
		1602	strip_trailing_spaces(bf1);
		1603	items2words(bf2); n=cutwords(bf2,names,4096);
		1604	if(distr_cmd[i].routine!=NULL) {
7379	bpr	1605	k=distr_cmd[i].routine(bf1,vals,n);
		1606	for(i=0;i<k;i++) setvar(names[i],vals[i]);
		1607	for(;i<n;i++) setvar(names[i],"");
10	reyssat	1608	}
		1609	else {
7379	bpr	1610	char buf[2];
		1611	buf[1]=0;
		1612	for(p1=bf1,i=0;i<n;i++) {
		1613	buf[0]=p1; if(p1) p1++;
		1614	setvar(names[i],buf);
		1615	}
10	reyssat	1616	}
		1617	}
		1618
8155	bpr	1619	/* reset variables */
10	reyssat	1620	void exec_reset(char *p)
		1621	{
		1622	char p1, p2;
		1623
		1624	items2words(p);
		1625	for(p1=find_word_start(p); *p1; p1=find_word_start(p2)) {
7379	bpr	1626	p2=find_word_end(p1); if(p2) p2++=0;
		1627	setvar(p1,"");
10	reyssat	1628	}
		1629	}
		1630
8155	bpr	1631	/* exchange the values of two variables */
10	reyssat	1632	void exec_exchange(char *p)
		1633	{
		1634	char buf[MAX_LINELEN+1],b1[MAX_LINELEN+1],b2[MAX_LINELEN+1];
		1635	char p1,p2,*pb;
		1636	p1=wordchr(p,"and");
		1637	if(p1!=NULL) {
7379	bpr	1638	*p1=0; p2=find_word_start(p1+strlen("and"));
10	reyssat	1639	}
		1640	else {
7379	bpr	1641	p1=strchr(p,',');
		1642	if(p1==NULL) module_error("syntax_error");
		1643	*p1=0; p2=find_word_start(p1+1);
10	reyssat	1644	}
		1645	p1=find_word_start(p);
		1646	mystrncpy(b1,p1,sizeof(b1)); substit(b1); *find_word_end(b1)=0;
		1647	mystrncpy(b2,p2,sizeof(b2)); substit(b2); *find_word_end(b2)=0;
		1648	if(b1==0 \|\| b2==0) module_error("syntax_error");
		1649	pb=getvar(b1);if(pb==NULL) pb="";
		1650	mystrncpy(buf,pb,sizeof(buf));
		1651	pb=getvar(b2);if(pb==NULL) pb="";
		1652	setvar(b1,pb); setvar(b2,buf);
		1653	}
		1654
8155	bpr	1655	/* Send a mail */
10	reyssat	1656	void exec_mailto(char *p)
		1657	{
		1658	char p1,p2,*pp;
		1659
		1660	if(!trusted_module() \|\| is_class_module) return;
		1661	p1=strchr(p,'\n'); if(p1==NULL) return;
		1662	*p1++=0; p=find_word_start(p);
		1663	if(*p==0) return;
		1664	p2=strchr(p1,'\n'); if(p2==NULL) return;
		1665	*p2++=0;
		1666	for(pp=p1;pp;pp++) if(pp=='"' \|\| pp=='\n') pp=' ';
		1667	accessfile(p2,"w","%s/mail.body",tmp_dir);
		1668	wrapexec=1;
8494	bpr	1669	call_sh("mail %s -s \" %s \" %s <%s/mail.body; chmod og-rwx %s/mail.body",
7379	bpr	1670	mail_opt, p1,p,tmp_dir,tmp_dir);
10	reyssat	1671	mail_log(p);
		1672	*p=0;
		1673	}
		1674
8155	bpr	1675	/* Generates a user error. Internal and undocumented. */
10	reyssat	1676	void exec_usererror(char *p)
		1677	{
		1678	if(trusted_module()) user_error(p);
		1679	}
		1680
8155	bpr	1681	/* stop output. */
10	reyssat	1682	void exec_directout(char *p)
		1683	{
		1684	if(outputing \|\| !trusted_module()) return;
		1685	printf("%s",p);
		1686	noout=1;
		1687	}
		1688
		1689	enum {
		1690	EXEC_IF, EXEC_JUMP, EXEC_ELSE, EXEC_ENDIF, EXEC_EXEC,
		1691	EXEC_WHILE, EXEC_ENDWHILE,
		1692	EXEC_FOR, EXEC_VAR, EXEC_DEBUG, EXEC_DAEMON,
		1693	EXEC_SET, EXEC_DEFAULT, EXEC_COMMENT, EXEC_READ, EXEC_HREF,
		1694	EXEC_INS, EXEC_STRING, EXEC_PEDIA, EXEC_DIR,
		1695	EXEC_TRUST, EXEC_WARN, EXEC_ERROR, EXEC_SQL, EXEC_SCORE,
		1696	EXEC_MAIL, EXEC_OTHER
		1697	} EXEC_TYPES;
		1698	#define EXEC_SUBST 0x1000
		1699	#define EXEC_USECALC 0x2000
		1700	#define EXEC_PROCTOO 0x4000
		1701	MYFUNCTION exec_routine[]={
7379	bpr	1702	{"!", EXEC_COMMENT, exec_comment},
		1703	{"TeXmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1704	{"add", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1705	{"advance", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1706	{"append", EXEC_STRING\|EXEC_USECALC,calc_append},
		1707	{"appendfile",EXEC_DIR\|EXEC_SUBST, fileappend},
		1708	{"bound", EXEC_STRING, exec_bound},
		1709	{"break", EXEC_FOR, exec_break},
		1710	{"call", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1711	{"changeto", EXEC_READ\|EXEC_SUBST, exec_changeto},
		1712	{"char", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1713	{"chars", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1714	{"checkhost", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_checkhost},
		1715	{"column", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1716	{"columns", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1717	{"comment", EXEC_COMMENT, exec_comment},
		1718	{"daemon", EXEC_DAEMON\|EXEC_USECALC\|EXEC_SUBST,calc_daemon},
		1719	{"date", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_date},
		1720	{"deaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,deaccent},
		1721	{"debug", EXEC_DEBUG, calc_debug},
		1722	{"declosing", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_declosing},
		1723	{"def", EXEC_SET, exec_set},
		1724	{"default", EXEC_SET, exec_default},
		1725	{"define", EXEC_SET, exec_set},
		1726	{"definitionof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1727	{"defof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1728	{"defread", EXEC_READ\|EXEC_SUBST, exec_defread},
		1729	{"detag", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_detag},
		1730	{"detrust", EXEC_TRUST, exec_detrust},
		1731	/* {"dictionary",EXEC_STRING\|EXEC_USECALC,calc_dictionary}, */
		1732	{"dir", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1733	{"distribute",EXEC_STRING, exec_distribute},
		1734	{"distrust", EXEC_TRUST, exec_detrust},
		1735	{"else", EXEC_ELSE, exec_else},
		1736	{"embraced", EXEC_STRING\|EXEC_USECALC,calc_embraced},
		1737	{"encyclo", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1738	{"encyclopedia",EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1739	{"endif", EXEC_ENDIF, exec_endif},
		1740	{"endwhile", EXEC_ENDWHILE, exec_endwhile},
		1741	{"evalsubst", EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1742	{"evalsubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
10	reyssat	1743	{"evalsubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
7379	bpr	1744	{"evaluesubst",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1745	{"evaluesubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
10	reyssat	1746	{"evaluesubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
7379	bpr	1747	{"examscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_examscore},
		1748	{"exchange", EXEC_STRING, exec_exchange},
		1749	{"exec", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1750	{"execute", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1751	{"exit", EXEC_JUMP, exec_exit},
		1752	{"fileappend",EXEC_DIR\|EXEC_SUBST, fileappend},
		1753	{"filelist", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1754	{"fileout", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1755	{"filewrite", EXEC_DIR\|EXEC_SUBST, filewrite},
		1756	{"for", EXEC_FOR, exec_for},
		1757	{"form", EXEC_HREF\|EXEC_SUBST, exec_form},
		1758	{"formbar", EXEC_HREF, exec_formbar},
		1759	{"formcheckbox",EXEC_HREF, exec_formcheckbox},
		1760	{"formend", EXEC_STRING, exec_formend},
		1761	{"formradio", EXEC_HREF, exec_formradio},
		1762	{"formradiobar",EXEC_HREF, exec_formbar},
		1763	{"formselect",EXEC_HREF, exec_formselect},
		1764	{"getdef", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1765	{"getfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1766	{"getscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscore},
7638	bpr	1767	{"getscorebest",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorebest},
7602	bpr	1768	{"getscorelast",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelast},
7657	bpr	1769	{"getscorelevel",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelevel},
7379	bpr	1770	{"getscoremean",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
10	reyssat	1771	{"getscorepercent",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorepercent},
7657	bpr	1772	{"getscorequality",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
10	reyssat	1773	{"getscoreremain",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreremain},
		1774	{"getscorerequire",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorerequire},
7602	bpr	1775	{"getscoretry",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoretry},
10	reyssat	1776	{"getscoreweight",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreweight},
7379	bpr	1777	{"goto", EXEC_JUMP\|EXEC_SUBST, exec_goto},
		1778	{"header", EXEC_HREF, exec_header},
		1779	{"header1", EXEC_HREF, exec_header1},
		1780	{"headmenu", EXEC_HREF, exec_headmenu},
		1781	{"hex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1782	{"homeref", EXEC_HREF, exec_homeref},
		1783	{"href", EXEC_HREF, exec_href},
		1784	{"htmlbar", EXEC_HREF, exec_formbar},
		1785	{"htmlcheckbox",EXEC_HREF, exec_formcheckbox},
		1786	{"htmlheader",EXEC_HREF, exec_header},
		1787	{"htmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1788	{"htmlradio", EXEC_HREF, exec_formradio},
		1789	{"htmlradiobar",EXEC_HREF, exec_formbar},
		1790	{"htmlselect",EXEC_HREF, exec_formselect},
		1791	{"htmltail", EXEC_HREF, exec_tail},
		1792	{"htmltitle", EXEC_HREF, exec_title},
		1793	{"if", EXEC_IF, exec_if},
		1794	{"ifval", EXEC_IF, exec_ifval},
		1795	{"ifvalue", EXEC_IF, exec_ifval},
		1796	{"imgrename", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_imgrename},
		1797	{"include", EXEC_READ\|EXEC_SUBST, exec_read},
		1798	{"increase", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1799	{"input", EXEC_READ\|EXEC_SUBST, exec_read},
		1800	{"insdraw", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1801	{"insmath", EXEC_INS, insmath},
		1802	{"inspaint", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1803	{"insplot", EXEC_INS\|EXEC_SUBST, exec_insplot},
		1804	{"insplot3d", EXEC_INS\|EXEC_SUBST, exec_insplot3d},
		1805	{"instex", EXEC_INS, exec_instex},
		1806	{"instexst", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1807	{"instexstatic",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1808	{"item", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1809	{"items", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1810	{"items2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1811	{"items2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1812	{"itemstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1813	{"itemstowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1814	{"let", EXEC_SET, exec_set},
		1815	{"leveldata", EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1816	{"levelpoints",EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1817	{"line", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1818	{"lines", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1819	{"lines2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1820	{"lines2list", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1821	{"lines2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1822	{"linestoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1823	{"linestolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1824	{"linestowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1825	{"list2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1826	{"list2words", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1827	{"listfile", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1828	{"listfiles", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1829	{"listintersect",EXEC_STRING\|EXEC_USECALC,calc_listintersect},
10	reyssat	1830	{"listintersection", EXEC_STRING\|EXEC_USECALC,calc_listintersect},
7379	bpr	1831	{"listtolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1832	{"listtowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1833	{"listunion", EXEC_STRING\|EXEC_USECALC,calc_listunion},
		1834	{"listuniq", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1835	{"listunique", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1836	{"listvar", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		1837	{"lookup", EXEC_STRING\|EXEC_USECALC, calc_lookup},
		1838	{"lower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1839	{"lowercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1840	{"ls", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1841	{"mailto", EXEC_MAIL\|EXEC_SUBST, exec_mailto},
		1842	{"mailurl", EXEC_MAIL\|EXEC_SUBST\|EXEC_USECALC,calc_mailurl},
		1843	{"makelist", EXEC_STRING\|EXEC_USECALC,calc_makelist},
		1844	{"math2html", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1845	{"math2mathml",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1846	{"math2tex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1847	{"mathmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1848	{"mathsubst", EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
		1849	{"mathsubstit",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
10	reyssat	1850	{"mathsubstitute",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
7379	bpr	1851	{"mexec", EXEC_EXEC\|EXEC_SUBST, exec_mexec},
		1852	{"module", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_module},
		1853	{"msg", EXEC_EXEC\|EXEC_SUBST,exec_msg},
		1854	{"multiply", EXEC_STRING\|EXEC_USECALC,calc_product},
		1855	{"next", EXEC_FOR, exec_next},
		1856	{"nocache", EXEC_READ, exec_nocache},
		1857	{"non_empty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1858	{"nonempty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1859	{"nospace", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,nospace},
		1860	{"outfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1861	{"pedia", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1862	{"perl", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_perl},
		1863	{"position", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1864	{"positionof",EXEC_STRING\|EXEC_USECALC,calc_pos},
		1865	{"positions", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1866	{"prod", EXEC_STRING\|EXEC_USECALC,calc_product},
		1867	{"product", EXEC_STRING\|EXEC_USECALC,calc_product},
		1868	{"rawmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmath},
		1869	{"rawmatrix", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmatrix},
		1870	{"reaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,reaccent},
		1871	{"read", EXEC_READ\|EXEC_SUBST, exec_read},
		1872	{"readdef", EXEC_READ\|EXEC_SUBST, exec_defread},
		1873	{"readproc", EXEC_READ\|EXEC_SUBST, exec_readproc},
		1874	{"record", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1875	{"records", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1876	{"recursion", EXEC_STRING\|EXEC_USECALC,calc_recursion},
		1877	{"reinput", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_reinput},
		1878	{"rem", EXEC_COMMENT, exec_comment},
		1879	{"remark", EXEC_COMMENT, exec_comment},
		1880	{"replace", EXEC_STRING\|EXEC_USECALC,calc_replace},
		1881	{"reset", EXEC_SET\|EXEC_SUBST, exec_reset},
		1882	{"restart", EXEC_JUMP\|EXEC_SUBST, exec_restart},
		1883	{"return", EXEC_JUMP, exec_exit},
		1884	{"robotrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1885	{"robottrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1886	{"rootof", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1887	{"row", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1888	{"rows", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1889	{"rows2lines",EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_rows2lines},
		1890	{"run", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1891	{"select", EXEC_STRING\|EXEC_USECALC,calc_select},
		1892	{"set", EXEC_SET, exec_set},
		1893	{"setdef", EXEC_OTHER, exec_setdef},
		1894	{"sh", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1895	{"shortout", EXEC_JUMP\|EXEC_SUBST, exec_directout},
		1896	{"singlespace",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,singlespace},
		1897	{"solve", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1898	{"sort", EXEC_STRING\|EXEC_USECALC, calc_sort},
		1899	/* {"sql", EXEC_SQL\|EXEC_SUBST\|EXEC_USECALC, calc_sql}, */
		1900	{"staticinstex",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1901	{"stinstex", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1902	{"sum", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1903	{"system", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1904	{"tail", EXEC_HREF, exec_tail},
		1905	{"test", EXEC_DEBUG, exec_test},
		1906	{"texmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1907	{"text", EXEC_STRING\|EXEC_USECALC,text},
		1908	{"title", EXEC_HREF, exec_title},
		1909	{"tohex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1910	{"tolower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1911	{"toupper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1912	{"translate", EXEC_STRING\|EXEC_USECALC,calc_translate},
		1913	{"trim", EXEC_STRING\|EXEC_USECALC,calc_trim},
		1914	{"upper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1915	{"uppercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1916	{"usererror", EXEC_WARN\|EXEC_SUBST, exec_usererror},
		1917	{"values", EXEC_STRING\|EXEC_USECALC,calc_values},
		1918	{"varlist", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		1919	{"warn", EXEC_WARN\|EXEC_SUBST, exec_warn},
		1920	{"warning", EXEC_WARN\|EXEC_SUBST, exec_warn},
		1921	{"while", EXEC_WHILE, exec_while},
		1922	{"whileval", EXEC_WHILE, exec_whileval},
		1923	{"whilevalue",EXEC_WHILE, exec_whileval},
		1924	{"wimsheader",EXEC_HREF, exec_header},
		1925	{"wimsref", EXEC_HREF, exec_homeref},
		1926	{"wimstail", EXEC_HREF, exec_tail},
		1927	{"wimstitle", EXEC_HREF, exec_title},
		1928	{"word", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		1929	{"words", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		1930	{"words2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1931	{"words2lines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		1932	{"words2list",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1933	{"wordstoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1934	{"wordstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		1935	{"wordstolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1936	{"writefile", EXEC_DIR\|EXEC_SUBST, filewrite},
10	reyssat	1937	};
8185	bpr	1938	int EXEC_FN_NO=(sizeof(exec_routine)/sizeof(exec_routine[0]));
10	reyssat	1939
8155	bpr	1940	/* internal: to skip the content of a false if/while. */
10	reyssat	1941	static void _skip_contents(int isif)
		1942	{
		1943	char buf[MAX_NAMELEN+8], *p1;
		1944	int i,j,loop;
		1945	loop=0;
		1946	while(m_file.linepointer<m_file.linecnt) {
7379	bpr	1947	j=m_file.linepointer;
		1948	if((m_file.lines[j].isstart&2)==0) {
		1949	m_file.linepointer++; continue;
		1950	}
7407	bpr	1951	i=m_file.lines[j].execcode;
7379	bpr	1952	if(i<0) {
		1953	if(wgetline(buf,MAX_NAMELEN+4,&m_file)==EOF) return;
		1954	p1=buf+1; if(p1!='i' && p1!='e' && *p1!='w') continue;
		1955	*find_word_end(p1)=0;
		1956	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p1);
		1957	if(i>=0) m_file.lines[j].execcode=i;
		1958	}
		1959	else m_file.linepointer++;
		1960	if(i<0) continue;
		1961	switch(exec_routine[i].tag & 0xffff) {
		1962	case EXEC_WHILE:
		1963	if(!isif) loop++; break;
		1964	case EXEC_IF:
		1965	if(isif) loop++; break;
		1966	case EXEC_ELSE: {
		1967	if(!isif) break;
		1968	if(loop<=0) return; else break;
		1969	}
		1970	case EXEC_ENDIF: {
		1971	if(!isif) break;
		1972	if(loop>0) {
		1973	loop--; break;
		1974	}
		1975	else return;
		1976	}
		1977	case EXEC_ENDWHILE: {
		1978	if(isif) break;
		1979	if(loop>0) {
		1980	loop--; break;
		1981	}
		1982	else return;
		1983	}
		1984	default: break;
		1985	}
10	reyssat	1986	}
		1987	}
		1988
8155	bpr	1989	/* Execute a command defined by !. Returns 0 if OK. */
10	reyssat	1990	void exec_main(char *p)
		1991	{
		1992	int i,j;
		1993	char *pp;
		1994	char tbuf2[MAX_LINELEN+1];
		1995
7379	bpr	1996	pp=find_word_end(p);
10	reyssat	1997	if(*pp!=0) {
7379	bpr	1998	*(pp++)=0; pp=find_word_start(pp);
10	reyssat	1999	}
		2000	i=m_file.lines[m_file.l].execcode;
		2001	if(i<0) {
7379	bpr	2002	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p);
		2003	m_file.lines[m_file.l].execcode=i;
10	reyssat	2004	}
		2005	if(i<0) {
7379	bpr	2006	setvar(error_data_string,p); module_error("bad_cmd");
10	reyssat	2007	}
8155	bpr	2008	/* called from !readdef, no right other than set; bail out */
10	reyssat	2009	execnt++;
		2010	if((untrust&4)!=0 && (j=(exec_routine[i].tag&0xffff))!=EXEC_SET) {
7379	bpr	2011	tbuf2[0]=0; exec_exit(tbuf2);
10	reyssat	2012	}
3718	reyssat	2013	ovlstrcpy(tbuf2,pp); j=exec_routine[i].tag;
10	reyssat	2014	if(j&EXEC_SUBST) substit(tbuf2);
		2015	if(j&EXEC_USECALC) {
7379	bpr	2016	if(!outputing && (j&EXEC_PROCTOO)==0) return;
		2017	exec_routine[i].routine(tbuf2); if(outputing) output0(tbuf2);
10	reyssat	2018	}
		2019	else exec_routine[i].routine(tbuf2);
		2020	return;
		2021	}
		2022

Subversion Repositories wimsdev

(root)/trunk/wims/src/exec.c – Rev 8494