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
8213	bpr	317	/* Read another file. */
10	reyssat	318	void exec_read(char *p)
		319	{
		320	WORKING_FILE save;
		321	char parmsave[MAX_LINELEN+1];
		322	char pp,ps;
		323	int t,cache;
7379	bpr	324
10	reyssat	325	strip_trailing_spaces(p);p=find_word_start(p);
		326	if(*p==0) return;
		327	pp=find_word_end(p); if(pp) pp++=0;
		328	pp=find_word_start(pp);
		329	ps=getvar("wims_read_parm"); if(ps==NULL) ps="";
		330	mystrncpy(parmsave,ps,sizeof(parmsave));
		331	setvar("wims_read_parm",pp);
		332	memmove(&save,&m_file,sizeof(WORKING_FILE));
		333	cache=1; if(p[0]=='.' && p[1]=='/') {p+=2; cache=0;}
		334	t=untrust;
		335	if(strncmp(p,"wimshome/",9)==0) {
7379	bpr	336	if((untrust&255)!=0 &&
		337	(m_file.name[0]=='/' \|\| strncmp(m_file.name,"wimshome/",9)==0))
		338	module_error("Illegal_file_access");
		339	untrust\|=0x200;
10	reyssat	340	}
		341	if((untrust&0x202)!=0) {
7379	bpr	342	pp=getvar("wims_trustfile");
		343	if(pp!=NULL && *pp!=0 && wordchr(pp,p)!=NULL)
		344	untrust&=0xfdfd;
10	reyssat	345	}
		346	readnest++; if(readnest>MAX_READNEST) module_error("too_many_nested_read");
		347	if(outputing) phtml_put(p,cache); else var_proc(p,cache);
		348	readnest--; untrust=t;
		349	memmove(&m_file,&save,sizeof(WORKING_FILE));
		350	setvar("wims_read_parm",parmsave);
		351	}
		352
8213	bpr	353	/* read a variable processing file */
10	reyssat	354	void exec_readproc(char *p)
		355	{
		356	int o=outputing; outputing=0; exec_read(p); outputing=o;
		357	}
		358
		359	void exec_defread(char *p)
		360	{
		361	int t,o;
		362	secure_exec();
		363	t=untrust; untrust\|=0x400;
		364	o=outputing; outputing=0;
		365	exec_read(p); untrust=t; outputing=o;
		366	}
		367
8213	bpr	368	/* Change to another file (no return) */
10	reyssat	369	void exec_changeto(char *p)
		370	{
		371	m_file.linepointer=m_file.linecnt;
		372	exec_read(p);
		373	}
		374
		375	int header_executed=0, tail_executed=0;
		376
8213	bpr	377	/* internal routine: get other language versions */
10	reyssat	378	void other_langs(void)
		379	{
		380	int i,j,k;
		381	char p, lbuf[4], pbuf[MAX_FNAME+1], phtml;
		382	char namebuf[MAX_FNAME+1], listbuf[4*MAX_LANGUAGES];
		383	static int otherlangs_got=0;
		384
		385	if(otherlangs_got) return;
		386	mystrncpy(namebuf,module_prefix,sizeof(namebuf));
		387	listbuf[0]=0;j=strlen(namebuf)-3; p=listbuf;
		388	if(j>=2 && strcmp("light",namebuf+j-2)==0) {
7379	bpr	389	setvar("wims_light_module","yes");
		390	phtml=getvar("phtml");
		391	if(phtml==NULL \|\| *phtml==0) return;
		392	mystrncpy(pbuf,phtml,sizeof(pbuf));
		393	j=strlen(pbuf)-3;
		394	if(pbuf[j]!='.') return;
		395	j++; ovlstrcpy(lbuf,pbuf+j); pbuf[j]=0;
		396	j=strlen(namebuf);
		397	snprintf(namebuf+j,MAX_FNAME-j-10,"/pages/%s",pbuf);
		398	j=strlen(namebuf);
		399	for(i=k=0;i<available_lang_no;i++) {
		400	if(strcmp(lbuf,available_lang[i])==0) continue;
		401	mystrncpy(namebuf+j,available_lang[i],MAX_FNAME-j);
		402	if(ftest(namebuf)<0) continue;
		403	if(k>0) *p++=',';
		404	mystrncpy(p,available_lang[i],sizeof(listbuf)-4-(p-listbuf));
		405	p+=strlen(p);
		406	k++;
		407	}
		408	goto end;
10	reyssat	409	}
		410	if(j>0 && namebuf[j]=='.') {
7379	bpr	411	setvar("wims_light_module","");
		412	j++; ovlstrcpy(lbuf,namebuf+j); namebuf[j]=0;
		413	for(i=k=0;i<available_lang_no;i++) {
		414	if(strcmp(lbuf,available_lang[i])==0) continue;
		415	snprintf(namebuf+j,MAX_FNAME-j,"%s/main.phtml",
		416	available_lang[i]);
		417	if(ftest(namebuf)<0) continue;
		418	if(k>0) *p++=',';
		419	mystrncpy(p,available_lang[i],sizeof(listbuf)-4-(p-listbuf));
		420	p+=strlen(p);
		421	k++;
		422	}
10	reyssat	423	}
		424	end: setvar("wims_otherlangs",listbuf); otherlangs_got=1;
		425	}
		426
8213	bpr	427	/* Standardised reference to wims home */
10	reyssat	428	void exec_homeref(char *p)
		429	{
		430	char ref, user;
7379	bpr	431
10	reyssat	432	if(ismhelp \|\| tail_executed) return;
		433	setvar("wims_homeref_parm",p); *p=0;
		434	user=getvar("wims_user");
		435	if(user==NULL) user="";
		436	if(*user==0 \|\| robot_access) ref=home_referer;
		437	else {
7379	bpr	438	if(strcmp(user,"supervisor")==0) ref=home_referer_supervisor;
		439	else ref=home_referer_user;
10	reyssat	440	}
		441	if(user[0]==0 && !robot_access) other_langs();
		442	phtml_put_base(ref,0); tail_executed=1;
		443	}
		444
8213	bpr	445	/* Standardised header menu */
10	reyssat	446	void exec_headmenu(char *p)
		447	{
		448	char ref, user;
7379	bpr	449
10	reyssat	450	if(header_executed) return;
		451	setvar("wims_headmenu_parm",p); *p=0;
		452	user=getvar("wims_user");
		453	if(user==NULL) user="";
		454	if(*user==0 \|\| robot_access) ref=header_menu;
		455	else {
7379	bpr	456	if(strcmp(user,"supervisor")==0) ref=header_menu_supervisor;
		457	else ref=header_menu_user;
10	reyssat	458	}
		459	if(user[0]==0 && !robot_access) other_langs();
		460	phtml_put_base(ref,0); header_executed=1;
		461	}
		462
8213	bpr	463	/* uniformized title */
10	reyssat	464	void exec_title(char *p)
		465	{
		466	char *s;
		467	*p=0;
		468	if(!outputing) return;
		469	s=getvar("wims_title_title");
		470	if(s==NULL \|\| *s==0) {
7379	bpr	471	s=getvar("module_title");
		472	if(s==NULL \|\| *s==0) return;
		473	force_setvar("wims_title_title",s);
10	reyssat	474	}
		475	phtml_put_base(title_page,0);
		476	}
		477
8213	bpr	478	/* standardized html tail */
10	reyssat	479	void exec_tail(char *p)
		480	{
		481	if(!outputing \|\| tail_executed) {
7379	bpr	482	*p=0; return;
10	reyssat	483	}
		484	if(!ismhelp) exec_homeref(p); *p=0;
		485	_output_("</body></html>");
		486	tail_executed=1;
		487	}
		488
5925	bpr	489	void exec_formend(char *p)
		490	{
		491	_output_("\n</div></form>");
		492	}
		493
10	reyssat	494	void determine_font(char *l);
		495
7379	bpr	496	void _headmathjax ( char *p)
		497	{
7380	bpr	498	_output_("\n<script type=\"text/javascript\">/<![CDATA[/if(\
7379	bpr	499	navigator.userAgent.toLowerCase().indexOf(\"firefox\") == -1 &&\
7370	bpr	500	navigator.userAgent.toLowerCase().indexOf(\"opera\") == -1 &&\
7379	bpr	501	(navigator.userAgent.toLowerCase().indexOf(\"safari\") == -1 \|\| navigator.userAgent.toLowerCase().indexOf(\"chrome\") > 0)\
		502	){var script = document.createElement(\"script\");\
7370	bpr	503	script.type = \"text/javascript\";\
7379	bpr	504	script.src = \"scripts/js/mathjax/MathJax.js?config=MML_HTMLorMML-full.js\";\
7370	bpr	505	document.body.appendChild(script);\
7380	bpr	506	}/]]>/</script>\n");
7370	bpr	507	}
		508
8213	bpr	509	/* standardized header */
1050	bpr	510	void _header(char *p, int option)
10	reyssat	511	{
		512	char s1, s2, hbuf[MAX_LINELEN+1], ws="", ws2="", bo, ol;
		513	char wsbuf[MAX_LINELEN+1],wsbuf2[MAX_LINELEN+1];
		514	setvar("wims_header_parm",p); *p=0;
		515	if(!outputing \|\| header_executed) return;
		516	s1=getvar("wims_window");
		517	if(mode==mode_popup) {
7370	bpr	518	if(s1!=NULL && *s1!=0) {
7379	bpr	519	char p1, p2;
		520	int t1,t2/,t3,t4/;
		521	p1=find_word_start(s1);
		522	for(p2=p1; myisdigit(*p2); p2++);
		523	*p2=0; t1=atoi(p1); p1=p2+1;
		524	while(!myisdigit(p1) && p1) p1++;
		525	for(p2=p1; myisdigit(*p2); p2++);
		526	*p2=0; t2=atoi(p1); p1=p2+1;
		527	/* while(!myisdigit(p1) && p1) p1++;
		528	for(p2=p1; myisdigit(*p2); p2++);
		529	*p2=0; t3=atoi(p1); p1=p2+1;
		530	while(!myisdigit(p1) && p1) p1++;
		531	for(p2=p1; myisdigit(*p2); p2++);
		532	*p2=0; t4=atoi(p1); p1=p2+1;
		533	while(!myisdigit(p1) && p1) p1++;
		534	for(p2=p1; myisdigit(*p2); p2++);
		535	if(t3<5) t3=5; if(t4<20) t4=20;
		536	*/ snprintf(wsbuf,sizeof(wsbuf),
		537	"window.focus();window.resizeTo(%d,%d);",t1,t2); ws=wsbuf;
		538	/* snprintf(wsbuf,sizeof(wsbuf),
		539	"window.focus();window.resizeto(%d,%d);window.moveto(%d,%d);",
		540	t1,t2,t3,t4); ws=wsbuf;
		541	*/ }
10	reyssat	542	}
		543	else {
7379	bpr	544	if(s1!=NULL && strcmp(s1,"new")==0)
		545	ws="window.focus();window.resizeTo(800,640);window.moveTo(15,35);";
10	reyssat	546	}
		547	if(strstr(session_prefix,"_exam")!=NULL) {
7379	bpr	548	/* char buf[64]; */
		549	if(*ws==0) ws="window.focus();";
		550	else ws= "window.focus();window.moveTo(5,70);";
		551	/* snprintf(buf,sizeof(buf),"name.phtml.%s",lang);
		552	phtml_put_base(buf);
		553	phtml_put_base("jsclock.phtml"); */
10	reyssat	554	}
		555	s1=getvar("wims_html_header"); if(s1==NULL) s1="";
		556	determine_font(getvar("module_language"));
		557	s2=getvar("module_title"); if(s2!=NULL && *s2!=0) {
7379	bpr	558	mystrncpy(hbuf,s2,sizeof(hbuf)); calc_detag(hbuf);
		559	setvar("module_title2",hbuf);
10	reyssat	560	}
		561	mystrncpy(hbuf,s1,sizeof(hbuf)); substit(hbuf);
		562	s2=getvar("wims_htmlbody"); if(s2==NULL) s2="";
		563	bo=getvar("wims_html_bodyoption"); if(bo==NULL) bo="";
		564	ws2=getvar("wims_html_onload"); if(ws2==NULL) ws2="";
		565	snprintf(wsbuf2,sizeof(wsbuf2),"%s%s",ws,ws2);
		566	setvar("wims_html_onload",wsbuf2);
		567	if(wsbuf2[0]) ol=" onload="; else ol="";
		568	/* output("<html xmlns=\"http://www.w3.org/1999/xhtml\"><head>%s\n\
		569	</head><body %s %s%s %s>\n", */
256	bpr	570	/* output("<html>\n\
10	reyssat	571	<head>%s\n\
		572	</head><body %s %s%s %s>\n",
7370	bpr	573	hbuf,s2,ol,wsbuf2,bo);*/
		574	/http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd/
		575	if(ol[0]) {
		576	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\">\
		577	\n<html xml:lang=\"%s\"\
		578	xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:mathml=\"http://www.w3.org/1998/Math/MathML\"><head>%s\n\
		579	</head>\n<body %s %s\"%s\" %s>", lang,hbuf,s2,ol,wsbuf2,bo);}
		580	else {
		581	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\">\
		582	\n<html xml:lang=\"%s\" xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:mathml=\"http://www.w3.org/1998/Math/MathML\"><head>%s\n\
		583	</head>\n<body %s %s%s %s>", lang,hbuf,s2,ol,wsbuf2,bo);
		584	}
		585	_headmathjax(p);
10	reyssat	586	exec_headmenu(p);
1050	bpr	587	if(option) exec_title(p);
10	reyssat	588	if(cmd_type==cmd_help) {
7370	bpr	589	char *s=getvar("special_parm");
		590	if(s==NULL) s="";
		591	m_file.linepointer=m_file.linecnt;
		592	if(strcmp(s,"about")==0) ovlstrcpy(hbuf,"about.phtml");
		593	else ovlstrcpy(hbuf,"help.phtml");
		594	exec_read(hbuf); exec_tail(p); /* param of exec_...() must be readable */
		595	return;
10	reyssat	596	}
		597	header_executed=1;
		598	}
		599
1050	bpr	600	void exec_header(char *p) { _header(p,1);}
		601	void exec_header1(char *p) { _header(p,0);}
		602
10	reyssat	603	char href_target[128];
		604	char jsbuf[512];
5729	bpr	605	#define jsstr " onclick=\"%s=window.open('','%s','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')\""
10	reyssat	606	int ref_mhelp=0;
		607	int follow_list[]={
		608	ro_session, ro_lang, ro_useropts, ro_module
		609	};
		610	#define follow_no (sizeof(follow_list)/sizeof(follow_list[0]))
		611
		612	void _httpfollow(char b1[], char *wn, int new)
		613	{
		614	int i;
		615	char p1, s, *ss, sb[MAX_LINELEN+1], qbuf[MAX_LINELEN+1];
		616
		617	sb[0]=0;
		618	for(i=0;i<follow_no;i++) {
7379	bpr	619	if(robot_access && follow_list[i]==ro_session) continue;
		620	if(!new && follow_list[i]!=ro_session
		621	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		622	continue;
		623	if(follow_list[i]==ro_module) {
		624	char *pp;
		625	if(new) continue;
		626	pp=strstr(b1,"cmd=");
		627	if(pp==NULL) continue;
		628	pp+=strlen("cmd=");
		629	if(memcmp(pp,"intro",strlen("intro"))==0 \|\|
		630	memcmp(pp,"new",strlen("new"))==0) continue;
		631	}
		632	s=getvar(ro_name[follow_list[i]]);
		633	ss=strstr(b1,ro_name[follow_list[i]]);
		634	if(s!=NULL && *s!=0 &&
		635	(ss==NULL \|\| (ss>b1 && *(ss-1)!='&')
		636	\|\| *(ss+strlen(ro_name[follow_list[i]]))!='=')) {
		637	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		638	char st[MAX_LINELEN+1];
		639	char *s1;
		640	s1=getvar("wims_session");
		641	if(s1==NULL) internal_error("exec_href() error.\n");
		642	if(ref_mhelp) {
		643	if(strstr(s1,"_mhelp")!=0)
		644	snprintf(st,sizeof(st),"%s",s1);
		645	else
		646	snprintf(st,sizeof(st),"%s_mhelp",s1);
		647	}
		648	else snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		649	s=st;
		650	}
		651	snprintf(sb+strlen(sb),MAX_LINELEN-strlen(sb),"%s=%s&",
		652	ro_name[follow_list[i]],s);
		653	if(ismhelp && follow_list[i]==ro_session &&
		654	strstr(sb,"_mhelp")==NULL)
		655	snprintf(sb+strlen(sb)-1,MAX_LINELEN-strlen(sb)+1,"_mhelp&");
		656	}
10	reyssat	657	}
		658	snprintf(qbuf,MAX_LINELEN,"%s%s%s",wn,sb,b1);
7379	bpr	659	/* cleaning up query string */
10	reyssat	660	for(p1=qbuf;*p1;p1++) {
7379	bpr	661	if(*p1=='"') string_modify(qbuf,p1,p1+1,"%22");
		662	if(p1=='&' && isalpha((p1+1))) {
		663	p1++; string_modify(qbuf,p1,p1,"+");
		664	}
10	reyssat	665	}
		666	mystrncpy(b1,qbuf,MAX_LINELEN);
		667	}
		668
8213	bpr	669	/* Restart with a new module, using http code 302. */
10	reyssat	670	void exec_restart(char *p)
		671	{
		672	char buf[MAX_LINELEN+1], *rfn, buf2[MAX_LINELEN+1];
		673	/* long int t; */
7379	bpr	674
10	reyssat	675	if(robot_access \|\| outputing \|\| !trusted_module() \|\| is_class_module) return;
		676	/* accessfile(buf,"r","%s/restart.time",s2_prefix);
7379	bpr	677	t=atoi(buf); if(t==nowtime) return; / / possible looping */
10	reyssat	678	mystrncpy(buf,find_word_start(p),sizeof(buf));
		679	*find_word_end(buf)=0;
		680	_httpfollow(buf,"",0);
		681	nph_header(301);
		682	rfn=strchr(ref_name,':'); if(rfn==NULL) {
7379	bpr	683	usual: snprintf(buf2,sizeof(buf2),"%s?%s",ref_name,buf);
10	reyssat	684	}
		685	else {
7379	bpr	686	char *p;
		687	p=getvar("wims_protocol");
		688	if(p!=NULL && strcmp(p,"https")==0) {
		689	snprintf(buf2,sizeof(buf2),"https%s?%s",rfn,buf);
		690	}
		691	else goto usual;
10	reyssat	692	}
		693	printf("Location: %s\r\n\r\n\
4957	obado	694	<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\
10	reyssat	695	<html><body><a href=\"%s\">%s</a></body></html>",buf2,buf2,buf2);
		696	close_working_file(&m_file,0); write_logs();
		697	snprintf(buf,sizeof(buf),"%ld",nowtime);
		698	/* accessfile(buf,"w","%s/restart.time",s2_prefix);
		699	*/ delete_pid(); exit(0);
		700	}
		701
8213	bpr	702	/* extract target tag from parm string. */
10	reyssat	703	void href_find_target(char *p)
		704	{
		705	char pp, pe,buf1[MAX_LINELEN+1];
		706	href_target[0]=0; jsbuf[0]=0; ref_mhelp=0;
		707	for(pp=find_word_start(p);*pp!=0;pp=find_word_start(pe)) {
7379	bpr	708	pe=find_word_end(pp);
		709	if(strncasecmp(pp,"target=wims_",strlen("target=wims_"))!=0) continue;
		710	memmove(buf1,pp,pe-pp); buf1[pe-pp]=0; substit(buf1);
		711	if(strncasecmp(buf1,"target=wims_mhelp",strlen("target=wims_mhelp"))==0) {
		712	if(pe!=0) pe++=0; ovlstrcpy(href_target,"wims_help");
		713	ref_mhelp=1;
		714	}
		715	else {
		716	if(pe!=0) pe++=0;
		717	mystrncpy(href_target,buf1+strlen("target="),sizeof(href_target));
		718	}
		719	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
		720	ovlstrcpy(pp,pe);return;
10	reyssat	721	}
		722	pp=getvar("module_help");
		723	if(href_target[0]==0 && pp!=NULL && strcmp(pp,"popup")==0 &&
		724	(pe=strstr(p,"cmd=help"))!=NULL) {
7379	bpr	725	if(pe==p \|\| *(pe-1)=='&') {
		726	ovlstrcpy(href_target,"wims_help"); ref_mhelp=1;
		727	snprintf(jsbuf,sizeof(jsbuf),jsstr,href_target,href_target);
		728	}
10	reyssat	729	}
		730	}
		731
		732	void _href_getdef(char src[], char vname[], char buf[], int buflen)
		733	{
		734	char p1, p2, *p3;
		735	buf[0]=0;
		736	for(p1=strstr(src,vname); p1; p1=strstr(p2,vname)) {
7379	bpr	737	p2=p1+strlen(vname); if(*p2!='=') continue;
		738	if(p1>src && *(p1-1)!='&') continue;
		739	p2++; p3=strchr(p2,'&'); if(p3==NULL) p3=p2+strlen(p2);
		740	if(p3-p2>=buflen) return; /* too long */
		741	memmove(buf,p2, p3-p2); buf[p3-p2]=0; return;
10	reyssat	742	}
		743	}
		744
8213	bpr	745	/* Create href to wims requests. subst() is not done. */
10	reyssat	746	void exec_href(char *p)
		747	{
2026	bpr	748	char s, st[128], sti[128], stc[128], stt[128], p1, p2, p3, *wn="";
6186	bpr	749	char *U="<span style=\"color:#A0A0C0;text-decoration:underline;\">%s</span>";
10	reyssat	750	char b1[MAX_LINELEN+1], b2[MAX_LINELEN+1];
		751	int new=0;
		752	if(!outputing) return;
		753	href_find_target(p);
		754	p1=find_word_start(p);
		755	p2=find_word_end(p1); if(p2) (p2++)=0;
		756	mystrncpy(b1,p1,sizeof(b1));
		757	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		758	substit(b1); substit(b2);
7379	bpr	759	/* standard reference */
10	reyssat	760	if(*b2==0 && strchr(b1,'=')==NULL) {
7379	bpr	761	char b[MAX_LINELEN+1], *ll;
		762	p1=find_word_start(b1); *find_word_end(p1)=0;
		763	if(*p1==0 \|\| strlen(p1)>64) return;
		764	ll=getvar("module_language");
		765	if(ll==NULL \|\| ll==0 \|\| (ll+1)==0 \|\| *(ll+2)!=0) ll=lang;
		766	accessfile(b,"r","html/href.%s",ll);
		767	memmove(p1+1,p1,64); *p1='\n'; strcat(p1," ");
		768	p2=strstr(b,p1); if(p2==NULL) return;
		769	p1=find_word_start(p2+strlen(p1)); p2=find_word_end(p1);
		770	if(p2) (p2++)=0;
		771	p3=strchr(p2,'\n'); if(p3!=NULL) *p3=0;
		772	mystrncpy(b1,p1,sizeof(b1));
		773	mystrncpy(b2,find_word_start(p2),sizeof(b2));
		774	substit(b1); substit(b2);
10	reyssat	775	}
7379	bpr	776	/* for robots: only references without defining cmd. */
10	reyssat	777	if(robot_access && strstr(b1,"cmd=")!=NULL &&
		778	strstr(b1,"module=adm/doc")==NULL) {
7379	bpr	779	_output_(b2); return;
10	reyssat	780	}
		781	if(robot_access && strstr(aliased_cgi,"yes")!=NULL) {
7379	bpr	782	char mbuf[256], lbuf[16];
		783	_href_getdef(b1,"module",mbuf,sizeof(mbuf));
		784	if(mbuf[0]==0) mystrncpy(mbuf,home_module,sizeof(mbuf));
		785	_href_getdef(b1,"lang",lbuf,sizeof(lbuf));
		786	if(strlen(lbuf)!=2) {mystrncpy(lbuf,lang,4);lbuf[2]=0;}
		787	if(strncmp(mbuf,"adm/doc",strlen("adm/doc"))==0) {
		788	char dbuf[256], bbuf[256];
		789	_href_getdef(b1,"doc",dbuf,sizeof(dbuf));
		790	_href_getdef(b1,"block",bbuf,sizeof(bbuf));
		791	if(!myisdigit(dbuf[0])) dbuf[0]=0;
		792	if(dbuf[0]!=0 && bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"main");
		793	if(dbuf[0]==0)
		794	output("<a href=\"%s%s_doc~.html\">%s</a>", ref_base,lbuf,b2);
		795	else
		796	output("<a href=\"%s%s_doc~%s~%s.html\">%s</a>",
		797	ref_base,lbuf,dbuf,bbuf,b2);
		798	}
		799	else {
		800	for(s=strchr(mbuf,'/'); s!=NULL; s=strchr(s+1,'/')) *s='~';
		801	output("<a href=\"%s%s_%s.html\">%s</a>", ref_base,lbuf,mbuf,b2);
		802	}
		803	return;
10	reyssat	804	}
1363	bpr	805	s=getvar("wims_ref_id");
		806	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	807	snprintf(sti,sizeof(sti)," id=\"%s\"",s);
1363	bpr	808	}
		809	else sti[0]=0;
7379	bpr	810
1363	bpr	811	s=getvar("wims_ref_class");
		812	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	813	snprintf(stc,sizeof(stc)," class=\"%s\"",s);
1363	bpr	814	}
		815	else stc[0]=0;
7379	bpr	816
2026	bpr	817	s=getvar("wims_ref_title");
		818	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	819	snprintf(stt,sizeof(stt)," title=\"%s\"",s);
2026	bpr	820	}
		821	else stt[0]=0;
7379	bpr	822
10	reyssat	823	s=getvar("wims_ref_target");
		824	if(href_target[0]!=0) s=href_target;
		825	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	826	snprintf(st,sizeof(st)," target=\"%s\"",s);
		827	if(strcmp(s,"_parent")!=0) {
		828	new=1; wn="wims_window=new&";
		829	}
10	reyssat	830	}
		831	else st[0]=0;
		832	_httpfollow(b1,wn,new);
		833	tohttpquery(b1);
		834	if(strstr(session_prefix,"_check")!=NULL) {
7379	bpr	835	if(*b2) output(U,b2);
		836	else _output_("<a id=\"0\"></a>");
		837	return;
10	reyssat	838	}
		839	if(jsbuf[0]==0 && st[0]==0 && strstr(session_prefix,"_exam")!=NULL) {
7407	bpr	840	p1=strstr(b1,"cmd=");
7379	bpr	841	if(p1!=NULL) {
		842	p1+=strlen("cmd=");
		843	if(strncmp(p1,"new",3)==0 \|\| strncmp(p1,"renew",5)==0 \|\|
		844	strncmp(p1,"intro",5)==0) {
		845	if(*b2) output(U,b2);
		846	else _output_("<a id=\"#\"></a>");
		847	return;
		848	}
		849	}
10	reyssat	850	}
		851	if(*b2)
2026	bpr	852	output("<a href=\"%s?%s\"%s%s %s %s %s>%s</a>",
7379	bpr	853	ref_name, b1, st, jsbuf,sti,stc,stt,b2);
10	reyssat	854	else
2026	bpr	855	output("<a href=\"%s?%s\"%s%s %s %s %s>",ref_name, b1, st, jsbuf,sti,stc,stt);
		856	setvar("wims_ref_id","");
		857	setvar("wims_ref_class","");
		858	setvar("wims_ref_title","");
10	reyssat	859	}
		860
8213	bpr	861	/* Create form refering to the page. */
10	reyssat	862	void exec_form(char *p)
		863	{
		864	char s, p1, p2, a, m, opt, st[128], *wn="";
		865	char abuf[128];
		866	int i, new=0;
		867	if(!outputing) return;
		868	href_find_target(p);
		869	s=getvar("wims_ref_target");
		870	if(href_target[0]!=0) s=href_target;
		871	if(s!=NULL && s!=0 && !isspace(s)) {
7379	bpr	872	snprintf(st,sizeof(st)," target=\"%s\"",s);
		873	if(strcmp(s,"_parent")!=0) {
		874	new=1; wn="<input type=\"hidden\" name=\"wims_window\" value=\"yes\" />\n";
		875	}
10	reyssat	876	}
		877	else st[0]=0;
		878	a=getvar("wims_ref_anchor"); if(a==NULL) a="";
		879	opt=find_word_start(find_word_end(find_word_start(p)));
		880	m=getvar("wims_form_method");
		881	if(m!=NULL) {
7379	bpr	882	m=find_word_start(m);
		883	if(strncasecmp(m,"post",4)==0) m="post";
		884	else if(strncasecmp(m,"get",3)==0) m="get";
		885	else if(strncasecmp(m,"file",4)==0) {
		886	m="post\" enctype=\"multipart/form-data";
		887	snprintf(abuf,sizeof(abuf),"?form-data%ld%s",random(),a); a=abuf;
		888	force_setvar("wims_form_method","");
		889	}
		890	else m=default_form_method;
10	reyssat	891	}
		892	else m=default_form_method;
		893	if(strstr(session_prefix,"_check")!=NULL) {
7379	bpr	894	output("<form action=\"NON_EXISTING_PAGE\" onsubmit=\"window.close();\" %s>\n",
		895	opt);
		896	return;
10	reyssat	897	}
7557	obado	898	output("<form action=\"%s%s\"%s method=\"%s\" %s>\n<div class='wims_form'>%s",ref_name,a,st,m,opt,wn);
10	reyssat	899	if(a!=abuf && a[0]) force_setvar("wims_ref_anchor","");
		900	for(i=0;i<follow_no;i++) {
7379	bpr	901	if(robot_access && follow_list[i]==ro_session) continue;
		902	if(!new && follow_list[i]!=ro_session
		903	&& follow_list[i]!=ro_module && follow_list[i]!=ro_lang)
		904	continue;
		905	if(follow_list[i]==ro_module) continue;
		906	s=getvar(ro_name[follow_list[i]]);
		907	if(s!=NULL && *s!=0) {
		908	if(follow_list[i]==ro_session && memcmp(href_target,"wims_",5)==0) {
		909	char st[MAX_LINELEN+1];
		910	char *s1;
		911	s1=getvar("wims_session");
		912	if(s1==NULL) internal_error("exec_form() error.\n");
		913	snprintf(st,sizeof(st),"%.10s%s",s1,href_target+4);
		914	s=st;
		915	}
		916	output("<input type=\"hidden\" name=\"%s\" value=\"%s\" />\n",
		917	ro_name[follow_list[i]],s);
		918	}
10	reyssat	919	}
		920	p1=find_word_start(p);p2=find_word_end(p1);
		921	if(p2>p1) {
7379	bpr	922	char buf[64];
		923	int i;
		924	i=p2-p1; if(i>60) i=60;
		925	memmove(buf,p1,i);buf[i]=0;
		926	for(i=0;i<CMD_NO && strcmp(buf,commands[i]);i++);
		927	if(i<CMD_NO) {
		928	output("<input type=\"hidden\" name=\"cmd\" value=\"%s\" />\n",buf);
		929	if(i!=cmd_intro && i!=cmd_new)
		930	output("<input type=\"hidden\" name=\"module\" value=\"%s\" />\n",
		931	getvar(ro_name[ro_module]));
		932	}
		933	}
10	reyssat	934	}
		935
8213	bpr	936	/* Creat link to trap robot access, an internal command
		937	* which should not be documented
		938	*/
10	reyssat	939	void exec_robottrap(char *p)
		940	{
		941	char buf[MAX_LINELEN+1];
		942	if(robot_access) return;
3718	reyssat	943	ovlstrcpy(buf,"session=$wims_session.1&module=adm/trap");
7557	obado	944	_output_("<!-- "); exec_href(buf);_output_("Robot trapper, do not click!</a> -->");
		945	_output_("<div class='wimstrap'>");exec_href(buf); _output_("<span></span></a></div>");
10	reyssat	946	}
		947
8213	bpr	948	/* set definitions in a file. Trusted modules only. */
10	reyssat	949	void exec_setdef(char *p)
		950	{
		951	char p1, pp;
		952	char nbuf[MAX_LINELEN+1], fbuf[MAX_LINELEN+1], tbuf[MAX_LINELEN+1];
		953	if(robot_access \|\| !trusted_module() \|\| is_class_module) return;
		954	p1=wordchr(p,"in"); if(p1==NULL) module_error("syntax_error");
		955	*p1=0; p1=find_word_start(p1+strlen("in"));
3718	reyssat	956	ovlstrcpy(nbuf,p);
10	reyssat	957	mystrncpy(tbuf,p1,sizeof(tbuf));
		958	substit(nbuf); substit(tbuf);
		959	if(find_module_file(tbuf,fbuf,1)) return;
		960	pp=find_word_start(nbuf); p1=find_word_start(fbuf); *find_word_end(p1)=0;
		961	strip_trailing_spaces(pp);
		962	setdef(p1,pp);
		963	}
		964
8213	bpr	965	/* Set a variable. */
10	reyssat	966	void exec_set(char *name)
		967	{
		968	char p, defn, *parm;
		969	char tbuf2[MAX_LINELEN+1], namebuf[MAX_LINELEN+1];
		970	int i;
		971
		972	p=strchr(name,'=');
		973	if(p==NULL) return; /* warning or error! */
		974	*p=0; defn=find_word_start(p+1);
		975	*find_word_end(name)=0;
		976	mystrncpy(namebuf,find_word_start(name),sizeof(namebuf));
8213	bpr	977	/* we allow substit in names, to implement array */
7379	bpr	978	substit(namebuf); *find_word_end(namebuf)=0;
10	reyssat	979	if(*defn!=calc_prefix_char) {
7379	bpr	980	/* substitute by default */
		981	mystrncpy(tbuf2,defn,sizeof(tbuf2));
		982	substit(tbuf2); setvar(namebuf,tbuf2); return;
10	reyssat	983	}
7379	bpr	984	/* called from !readdef */
10	reyssat	985	if((untrust&4)!=0) module_error("not_trusted");
7379	bpr	986	/* definition is a command */
		987	parm=find_word_end(defn+1);
10	reyssat	988	if( parm != 0 ) { parm=0; parm=find_word_start(parm+1); }
		989	i=m_file.lines[m_file.l].varcode;
		990	if(i<0) {
7379	bpr	991	i=search_list(calc_routine,CALC_FN_NO,sizeof(calc_routine[0]),defn+1);
		992	m_file.lines[m_file.l].varcode=i;
10	reyssat	993	}
		994	if(i<0) {
7379	bpr	995	/* replace by warning? */
		996	setvar(error_data_string,defn+1); module_error("bad_cmd");
		997	return;
10	reyssat	998	}
		999	mystrncpy(tbuf2,parm,sizeof(tbuf2)); execnt++;
		1000	if(calc_routine[i].tag==0) substit(tbuf2);
		1001	tbuf2[sizeof(tbuf2)-1]=0; calc_routine[i].routine(tbuf2);
7379	bpr	1002	/* remove trailing new line */
10	reyssat	1003	tbuf2[sizeof(tbuf2)-1]=0;
		1004	if(tbuf2[strlen(tbuf2)-1]=='\n') tbuf2[strlen(tbuf2)-1]=0;
		1005	setvar(namebuf,tbuf2);
		1006	}
		1007
8213	bpr	1008	/* set but do not overwrite. */
10	reyssat	1009	void exec_default(char *p)
		1010	{
		1011	char start, end, c, *pp;
		1012	char namebuf[MAX_LINELEN+1];
		1013	start=find_word_start(p);
		1014	for(end=start;end!=0 && !isspace(end) && *end!='='; end++);
		1015	c=end; end=0;
		1016	if(end-start<=MAX_LINELEN-1) {
7379	bpr	1017	memmove(namebuf,start,end-start+1); substit(namebuf);
		1018	pp=getvar(namebuf);
		1019	if(pp!=NULL && *pp!=0) return;
10	reyssat	1020	}
		1021	*end=c; exec_set(p);
		1022	}
		1023
8213	bpr	1024	/* Does nothing; just a comment. */
10	reyssat	1025	void exec_comment(char *p)
		1026	{
		1027	return;
		1028	}
		1029
8213	bpr	1030	/* Exit the file under interpretation */
10	reyssat	1031	void exec_exit(char *p)
		1032	{
		1033	m_file.linepointer=m_file.linecnt;
		1034	return;
		1035	}
		1036
8213	bpr	1037	/* output a file. Undocumented. Aliases:
7379	bpr	1038	* getfile, outfile, fileout */
10	reyssat	1039	void exec_getfile(char *p)
		1040	{
		1041	char s, p1, url[MAX_LINELEN+1];
		1042	char *prompt;
7379	bpr	1043
10	reyssat	1044	p=find_word_start(p); prompt=find_word_end(p);
		1045	if(prompt!=0) prompt++=0;
		1046	prompt=find_word_start(prompt);
		1047	if(*p==0 \|\| !outputing) return;
		1048	if(!trusted_module() \|\| is_class_module) return;
		1049	s=getvar(ro_name[ro_session]);
		1050	if(s==NULL \|\| *s==0 \|\| strstr(s,"robot")!=NULL) return;
		1051	mystrncpy(url,ref_name,sizeof(url));
		1052	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1053	if(good_httpd) snprintf(p1,sizeof(url)+p1-url,
7379	bpr	1054	"getfile/%s?&+session=%s&+modif=%ld",
		1055	p,s,nowtime);
10	reyssat	1056	else snprintf(url,sizeof(url),
7379	bpr	1057	"%s?cmd=getfile&+session=%s&+special_parm=%s&+modif=%ld",
		1058	ref_name,s,p,nowtime);
10	reyssat	1059	snprintf(jsbuf,sizeof(jsbuf),jsstr,"wims_file","wims_file");
1050	bpr	1060	if(*prompt) output("<a href=\"%s\">%s</a>\n", url,prompt);
1119	bpr	1061	else output("<a href=\"%s\"></a>",url);
10	reyssat	1062	}
		1063
8213	bpr	1064	/* internal */
10	reyssat	1065	void count_insert(void)
		1066	{
		1067	insert_no++;
		1068	if(insert_no>=INS_LIMIT) module_error("too_many_ins");
		1069	}
		1070
		1071	int animated_ins=0;
		1072	int grouped_ins=0;
		1073
8185	bpr	1074	/* generic insertion */
10	reyssat	1075	void _exec_ins(char p, char script_name,char *format)
		1076	{
		1077	char s, b, at, tag, tag2, al, fmt, mh;
		1078	char p1, pt;
		1079	char buf[1024],buf2[1024],url[MAX_LINELEN+1],altbuf[1024];
		1080	char outbuf[1024];
		1081	int border, middle, vspace;
		1082	long int tel;
		1083
		1084	if(robot_access) return;
		1085	count_insert(); outbuf[0]=0;
		1086	setenv("ins_source",p,1); /* value kept from user tamper */
		1087	if(animated_ins) fmt=getvar("anim_format"); else fmt=format;
		1088	if(fmt==NULL) fmt="gif";
		1089	if(ismhelp) mh="mh"; else mh="";
		1090	snprintf(buf,sizeof(buf),"%s/insert%s-%d.%s",s2_prefix,mh,insert_no,fmt);
		1091	if(grouped_ins) {unlink(buf); goto grouped;}
		1092	exportall();
		1093	call_ssh("%s/%s %d %s >%s/ins.out 2>%s/ins.err",
7379	bpr	1094	bin_dir,script_name,insert_no,tmp_dir,tmp_dir,tmp_dir);
10	reyssat	1095	unlink(buf); wrapexec=1;
		1096	if(trusted_module()) setenv("trusted_module","yes",1);
		1097	else if(untrust) setenv("trusted_module","no",1);
		1098	call_ssh("mv %s/insert%s-%d.%s %s >/dev/null 2>/dev/null",
7379	bpr	1099	tmp_dir,mh,insert_no,fmt,s2_prefix);
10	reyssat	1100	tel=filelength("%s", buf);
		1101	if(tel<=5) {
7379	bpr	1102	char bbuf[MAX_LINELEN+1];
		1103	accessfile(bbuf,"r","%s/ins.err",tmp_dir);
		1104	snprintf(url,sizeof(url),"gifs/badins.gif");
		1105	for(p1=bbuf;p1<bbuf+512 && *p1;p1++)
		1106	if(p1=='<' \|\| p1=='>') *p1='?';
		1107	*p1=0;
		1108	if(bbuf[0]==0) snprintf(bbuf,sizeof(bbuf),"Fail");
		1109	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1110	" <img src=\"%s\" alt=\"Error\" /> <small><pre>%s</pre></small> <br /> ",
		1111	url,bbuf);
		1112	setvar("ins_warn","fail");
		1113	setvar("ins_cnt","0");
		1114	goto reset;
10	reyssat	1115	}
		1116	grouped:
		1117	s=getvar(ro_name[ro_session]);
		1118	b=getvar("ins_border"); at=getvar("ins_attr");
		1119	tag=getvar("ins_tag"); al=getvar("ins_align");
		1120	if(at==NULL) at="";
		1121	if(tag==NULL) tag="";
		1122	if(al==NULL) al="";al=find_word_start(al);
6265	bpr	1123	if(*al!=0) snprintf(buf2,sizeof(buf2),"vertical-align:%s",al); else buf2[0]=0;
10	reyssat	1124	if(strcasecmp(al,"middle")==0) middle=1; else middle=0;
		1125	tag2=""; vspace=0;
		1126	if(*tag!=0) {
7379	bpr	1127	mystrncpy(buf,tag,sizeof(buf)); tag=find_word_start(buf);
		1128	tag2=find_word_end(tag);
		1129	if(tag2!=0) tag2++=0;
		1130	tag2=find_word_start(tag2);
10	reyssat	1131	}
		1132	if(b==NULL \|\| *b==0) border=0;
		1133	else border=atoi(b);
		1134	if(border<0) border=0; if(border>100) border=100;
		1135	if(middle) {
7379	bpr	1136	snprintf(outbuf+strlen(outbuf),
		1137	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup1);
		1138	vspace=2;
10	reyssat	1139	}
		1140	mystrncpy(url,ref_name,sizeof(url));
		1141	for(p1=url+strlen(url);p1>url && *(p1-1)!='/'; p1--);
		1142	snprintf(p1,sizeof(url)+p1-url,
7379	bpr	1143	"wims.%s?cmd=getins&+session=%s&+special_parm=insert%s-%d.%s&+modif=%ld",
		1144	fmt,s,mh,insert_no,fmt,nowtime);
10	reyssat	1145	if(strchr(ins_alt,'"')!=NULL \|\| strlen(ins_alt)>256) ins_alt[0]=0;
		1146	pt=getvar("wims_ins_alt"); if(pt==NULL) pt="";
		1147	if(ins_alt[0] && strcmp(pt,"none")!=0)
3522	bpr	1148	snprintf(altbuf,sizeof(altbuf)," alt=\"%s\"",ins_alt);
		1149	else snprintf(altbuf,sizeof(altbuf)," alt=\"\"");
10	reyssat	1150	if(strcasecmp(tag,"form")!=0) {
7379	bpr	1151	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1152	"<img src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1153	url, border, vspace, buf2, at, altbuf);
10	reyssat	1154	}
		1155	else {
7379	bpr	1156	char n, nend;
6168	bpr	1157	/* fix: add quotes at name=" " */
7379	bpr	1158	if(*tag2!=0) {n="name=\"" ; nend="\"";} else {n=""; nend="";}
		1159	snprintf(outbuf+strlen(outbuf),sizeof(outbuf)-strlen(outbuf),
		1160	"<input type=\"image\" %s%s%s src=\"%s\" style=\"border:solid;border-width:%dpx;margin-bottom:%dpx;%s\" %s %s />",
		1161	n,tag2,nend,url,border,vspace,buf2,at,altbuf);
10	reyssat	1162	}
		1163	if(middle) snprintf(outbuf+strlen(outbuf),
7379	bpr	1164	sizeof(outbuf)-strlen(outbuf),"%s",mathalign_sup2);
10	reyssat	1165	setvar("ins_warn",""); ins_alt[0]=0;
		1166	setvar("ins_cnt",int2str(insert_no));
		1167	reset:
		1168	if(outputing) _output_(outbuf);
		1169	setvar("ins_out",outbuf);
		1170	setvar("ins_attr",""); setvar("ins_tag","");
		1171	setvar("ins_url",url);
		1172	snprintf(buf2,sizeof(buf2),"insert%s-%d.%s",mh,insert_no,fmt);
		1173	setvar("ins_filename",buf2);
		1174	animated_ins=0;
		1175	}
		1176
8155	bpr	1177	/* instex: dynamically insert tex outputs */
10	reyssat	1178	void exec_instex(char *p)
		1179	{
		1180	char ts, tc, f, mh, buf[MAX_FNAME+1];
7379	bpr	1181
10	reyssat	1182	if(robot_access) {
7379	bpr	1183	*p=0; return;
10	reyssat	1184	}
		1185	f=instex_check_static(p); substit(p);
		1186	if(f==NULL) {
8155	bpr	1187	/* Use static instex if there is no real substitution
		1188	* and the source file is not in sessions directory.
		1189	*/
7379	bpr	1190	calc_instexst(p); if(outputing) _output_(p);
		1191	return;
10	reyssat	1192	}
		1193	if(ismhelp) mh="mh"; else mh="";
		1194	fix_tex_size(); f="gif";
		1195	setenv("texgif_style",instex_style,1);
3415	bpr	1196	tc=getvar("instex_texheader"); if (tc) { setenv("texgif_texheader",tc,1);}
10	reyssat	1197	setenv("texgif_tmpdir",tmp_dir,1);
		1198	setenv("texgif_src",p,1);
		1199	if(ins_alt[0]==0) mystrncpy(ins_alt,p,sizeof(ins_alt));
		1200	mkfname(buf,"%s/insert%s-%d.gif",tmp_dir,mh,insert_no+1);
		1201	setenv("texgif_outfile",buf,1);
		1202	ts=getvar("wims_texsize"); tc=getvar("instex_color");
7379	bpr	1203	if(lastout_file!=-1 && (tc==NULL \|\| *tc==0) &&
10	reyssat	1204	(ts==NULL \|\| *ts==0 \|\| strcmp(ts,"0")==0) &&
		1205	strstr(p,"\\begin{")==NULL) {
7379	bpr	1206	int ls, ln;
		1207	char *pagebreak;
		1208	ls=strlen(instex_src); ln=strlen(instex_fname);
		1209	if(ls+strlen(p)>=MAX_LINELEN-256 \|\|
		1210	ln+strlen(buf)>=MAX_LINELEN-16) {
		1211	instex_flush(); ls=ln=0;
		1212	}
		1213	if(instex_cnt>0) pagebreak="\\pagebreak\n"; else pagebreak="";
		1214	snprintf(instex_src+ls,MAX_LINELEN-ls,"%s %s %s %s\n",
		1215	pagebreak,instex_style,p,instex_style);
		1216	snprintf(instex_fname+ln,MAX_LINELEN-ln,"%s\n",buf);
		1217	grouped_ins=1;
10	reyssat	1218	}
		1219	mkfname(buf,"%s/texgif.dvi",tmp_dir); unlink(buf);
		1220	wrapexec=0; _exec_ins(p,instex_processor,f);
		1221	if(grouped_ins) instex_cnt++;
		1222	grouped_ins=0;
		1223	}
		1224
8152	bpr	1225	/* patches the gnuplot integer division (mis)feature. */
10	reyssat	1226	void gnuplot_patch(char *p,int oneline)
		1227	{
		1228	char *pp;
		1229	for(pp=strchr(p,'/');pp!=NULL;pp=strchr(pp+1,'/')) {
7379	bpr	1230	char *p1;
		1231	if(pp<=p \|\| !myisdigit((pp-1)) \|\| !myisdigit((pp+1))) continue;
		1232	for(p1=pp-2;p1>=p && myisdigit(*p1);p1--);
		1233	if(p1>=p && *p1=='.') continue;
		1234	for(p1=pp+2;p1 && myisdigit(p1);p1++);
		1235	if(*p1=='.') continue;
		1236	string_modify(p,p1,p1,".0");
10	reyssat	1237	}
		1238	for(pp=strchr(p,'^');pp!=NULL;pp=strchr(pp+1,'^'))
		1239	string_modify(p,pp,pp+1,"**");
8155	bpr	1240	/* disallow new lines and ';' */
10	reyssat	1241	if(oneline)
		1242	for(pp=p;pp!=0;pp++) if(pp==';' \|\| pp=='\n') pp=' ';
		1243	}
		1244
8152	bpr	1245	/* This is to disable pipe in the gnuplot plotting function.
		1246	* We do not allow ' followed by < .
		1247	*/
10	reyssat	1248	void prepare_insplot_parm(char *p)
		1249	{
		1250	int i,j,multanim; char pp, s;
		1251	double d;
		1252	char setbuf[MAX_LINELEN+10],buf[MAX_LINELEN+1];
7379	bpr	1253
10	reyssat	1254	j=strlen(p);
8155	bpr	1255	/* pipe in plot command */
10	reyssat	1256	for(i=0;i<j;i++) {
7379	bpr	1257	if((p+i)!='\'' && (p+i)!='"') continue;
		1258	pp=find_word_start(p+i+1); if(*pp=='<') module_error("illegal_plot_cmd");
10	reyssat	1259	}
		1260	gnuplot_patch(p,1);
8155	bpr	1261	/* multiplot */
10	reyssat	1262	multanim=0;
		1263	pp=getvar("insplot_split");
		1264	if(pp!=NULL) i=linenum(pp); else i=0;
8155	bpr	1265	/* arbitrary limit: 16 multiplots */
10	reyssat	1266	if(i>16) i=16;
		1267	if(i>1) {
7379	bpr	1268	char tbuf[MAX_LINELEN*(i+1)+100], bbuf[MAX_LINELEN+1];
		1269	tbuf[0]=0;
		1270	if(*p!=0) snprintf(tbuf,sizeof(tbuf),"%s\n",p);
		1271	snprintf(buf,sizeof(buf),"%d",i); setenv("multiplot",buf,1);
		1272	for(j=1;j<=i;j++) {
		1273	snprintf(buf,sizeof(buf),"insplot_parm_%d",j);
		1274	pp=getvar(buf);
		1275	if(pp==NULL \|\| *pp==0) {
		1276	if(j==1 && *p!=0) continue;
		1277	pp="";
		1278	}
		1279	else {
		1280	mystrncpy(bbuf,pp,sizeof(bbuf));
		1281	gnuplot_patch(bbuf,1);
		1282	}
		1283	strcat(tbuf,bbuf);strcat(tbuf,"\n");
		1284	}
		1285	setenv("insplot_source",tbuf,1);
		1286	if(varchr(tbuf,"s")!=NULL) multanim=1;
10	reyssat	1287	}
8155	bpr	1288	/* no illegal chaining */
10	reyssat	1289	pp=getvar("insplot_font"); if(pp!=NULL) {
7379	bpr	1290	for(s=pp;s<pp+MAX_LINELEN && *s;s++)
		1291	if(s==';' \|\| s=='\n' \|\| s==' ') s=0;
		1292	if(s>=pp+MAX_LINELEN) *s=0;
		1293	setvar("insplot_font",pp);
10	reyssat	1294	}
		1295	pp=getvar("insplot_set"); if(pp!=NULL) {
7379	bpr	1296	char tbuf[MAX_LINELEN+1];
		1297	mystrncpy(tbuf,pp,sizeof(tbuf));
		1298	i=strlen(tbuf)-1;
		1299	while(i>0 && isspace(tbuf[i])) i--;
		1300	if(tbuf[i]==';') tbuf[i]=0;
		1301	gnuplot_patch(tbuf,0);pp=tbuf;
		1302	ovlstrcpy(setbuf,"set "); j=strlen("set ");
		1303	for(i=0; *(pp+i)!=0 && j<MAX_LINELEN; i++) {
		1304	if(*(pp+i)=='\n') {setbuf[j++]=' '; continue;}
		1305	if((pp+i)!=';') {setbuf[j++]=(pp+i); continue;}
		1306	ovlstrcpy(setbuf+j,"\nset "); j+=strlen("\nset ");
		1307	}
		1308	setbuf[j]=0;
		1309	setenv("insplot_set",setbuf,1);
10	reyssat	1310	}
		1311	else setenv("insplot_set","",1);
8155	bpr	1312	/* frames of animation */
10	reyssat	1313	pp=getvar("ins_anim_frames");
		1314	if(pp!=NULL) i=evalue(pp); else i=1;
		1315	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1; if(i<1) i=1;
		1316	if(strstr(setbuf,"step")==NULL && strstr(p,"step")==NULL
		1317	&& varchr(setbuf,"s")==NULL && varchr(p,"s")==NULL && !multanim) i=1;
		1318	setenv("ins_anim_frames",int2str(i),1);
		1319	setvar("ins_anim_frames","");
		1320	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1321	else setvar("ins_animation","no");
8155	bpr	1322	/* delay of animation */
10	reyssat	1323	pp=getvar("ins_anim_delay");
		1324	if(pp!=NULL) d=evalue(pp); else d=0;
		1325	if(d>=10) d=10; if(d<0) d=0;
		1326	setenv("ins_anim_delay",int2str(d*100),1);
		1327	}
		1328
8152	bpr	1329	/* Insert dynamic 2d plot */
10	reyssat	1330	void exec_insplot(char *p)
		1331	{
		1332	char *fmt;
		1333	if(robot_access) {
7379	bpr	1334	*p=0; return;
10	reyssat	1335	}
		1336	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1337	prepare_insplot_parm(p); setenv("insplot_method","2D",1);
		1338	_exec_ins(p,insplot_processor,fmt);
		1339	wrapexec=1;
		1340	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
		1341	unsetenv("multiplot"); setvar("insplot_split","");
		1342	}
		1343
8213	bpr	1344	/* Insert dynamic 3d plot */
10	reyssat	1345	void exec_insplot3d(char *p)
		1346	{
		1347	char *fmt;
		1348	if(robot_access) {
7370	bpr	1349	*p=0; return;
10	reyssat	1350	}
		1351	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1352	prepare_insplot_parm(p); setenv("insplot_method","3D",1);
		1353	_exec_ins(p,insplot_processor,fmt);
		1354	wrapexec=1;
		1355	/* call_ssh("mv %s/insplot_cmd %s 2>/dev/null",tmp_dir,s2_prefix); */
		1356	unsetenv("multiplot");setvar("insplot_split","");
		1357	}
		1358
8155	bpr	1359	/* Insert dynamic gif draw. The parm preparation is specific to fly. */
10	reyssat	1360	void exec_insdraw(char *p)
		1361	{
		1362	char pp, fmt;
		1363	int i;
		1364	double d;
7379	bpr	1365
10	reyssat	1366	if(robot_access) {
7370	bpr	1367	*p=0; return;
10	reyssat	1368	}
7370	bpr	1369	/* calc_tolower(p);*/
10	reyssat	1370	fmt=getvar("ins_format"); if(fmt==NULL \|\| *fmt==0) fmt=DEFAULT_INS_FORMAT;
		1371	while((pp=wordchr(p,"output"))!=NULL) memmove(pp,"zqkwfx",6);
8155	bpr	1372	/* frames of animation */
10	reyssat	1373	pp=getvar("ins_anim_frames");
		1374	if(pp!=NULL) i=evalue(pp); else i=1;
		1375	if(i>=ANIM_LIMIT) i=ANIM_LIMIT-1; if(i<1) i=1;
		1376	if(i>1 && varchr(p,"s")==NULL && varchr(p,"animstep")==NULL
		1377	&& varchr(p,"step")==NULL) i=1;
		1378	setenv("ins_anim_frames",int2str(i),1);
		1379	setvar("ins_anim_frames","");
		1380	if(i>1) {setvar("ins_animation","yes");animated_ins=1;}
		1381	else setvar("ins_animation","no");
8155	bpr	1382	/* delay of animation */
10	reyssat	1383	pp=getvar("ins_anim_delay");
		1384	if(pp!=NULL) d=evalue(pp); else d=0;
		1385	if(d>=10) d=10; if(d<0) d=0;
		1386	setenv("ins_anim_delay",int2str(d*100),1);
		1387	pp=getvar("insdraw_filebase");
		1388	if(pp!=NULL && strstr(pp,parent_dir_string)!=NULL)
		1389	setvar("insdraw_filebase","");
		1390	_exec_ins(p,insdraw_processor,fmt);
		1391	}
		1392
		1393	void exec_increase(char *p)
		1394	{
		1395	char p1, p2;
		1396	p1=find_word_start(p); p2=find_word_end(p1);
		1397	if(p2<=p1) {
7370	bpr	1398	*p=0; return;
10	reyssat	1399	}
		1400	*p2=0;p2=getvar(p1);
		1401	if(p2==NULL) p2="";
		1402	setvar(p1,int2str(atoi(p2)+1)); *p=0;
		1403	}
		1404
7370	bpr	1405	/* bound a variable */
10	reyssat	1406	void exec_bound(char *p)
		1407	{
		1408	char p1, p2, *p3;
		1409	int doub,i,bcnt,defaulted;
		1410	double d1,d2,dd,val;
		1411	char nbuf[MAX_LINELEN+1],lbuf[MAX_LINELEN+1],dbuf[MAX_LINELEN+1];
		1412	char vbuf[MAX_LINELEN+1];
		1413	char *blist[2048];
7379	bpr	1414
10	reyssat	1415	p1=find_word_start(p); p2=find_word_end(p1);
		1416	if(*p2==0) {
7379	bpr	1417	syntax: module_error("syntax_error");
10	reyssat	1418	}
3718	reyssat	1419	*p2=0; ovlstrcpy(nbuf,p1);substit(nbuf); p1=find_word_start(p2+1);
10	reyssat	1420	p2=getvar(nbuf);if(p2==NULL) p2="";
		1421	mystrncpy(vbuf,find_word_start(p2),sizeof(vbuf));
		1422	strip_trailing_spaces(vbuf);
		1423	p2=find_word_end(p1); if(*p2==0) goto syntax;
		1424	*p2=0;p2++;
		1425	p3=wordchr(p2,"default");
		1426	if(p3!=NULL) {
7379	bpr	1427	*p3=0; defaulted=1;
		1428	p3=find_word_start(p3+strlen("default"));
		1429	ovlstrcpy(dbuf,p3); substit(dbuf);
10	reyssat	1430	}
		1431	else defaulted=0;
		1432	if(strcmp(p1,"between")==0) {
7379	bpr	1433	p1=find_word_start(p2);
		1434	i=strlen("integer");
		1435	if(strncmp(p1,"integer",i)==0 &&
		1436	(isspace((p1+i)) \|\| ((p1+i)=='s' && isspace(*(p1+i+1))))) {
		1437	doub=0; p1=find_word_start(find_word_end(p1));
		1438	val=rint(evalue(vbuf));
		1439	if(vbuf[0]) float2str(val,vbuf);
		1440	}
		1441	else {
		1442	doub=1;val=evalue(vbuf);
		1443	}
		1444	p2=wordchr(p1,"and"); p3=p2+strlen("and");
		1445	if(p2==NULL) {
		1446	p2=strchr(p1,','); p3=p2+1;
		1447	}
		1448	if(p2==NULL) goto syntax;
		1449	*p2=0;p2=find_word_start(p3);
		1450	if(p1==0 \|\| p2==0) goto syntax;
		1451	d1=evalue(p1);d2=evalue(p2);
8171	bpr	1452	if(!isfinite(d1) \|\| !isfinite(d2) \|\|
7379	bpr	1453	abs(d1)>(double)(1E10) \|\| abs(d2)>(double)(1E10)) goto syntax;
		1454	if(d1>d2) {
		1455	dd=d1;d1=d2;d2=dd;
		1456	}
		1457	if(vbuf[0] && val<=d2 && val>=d1) {
		1458	if(!doub) setvar(nbuf,vbuf);
		1459	*p=0; return;
		1460	}
		1461	if(defaulted) ovlstrcpy(p,dbuf);
		1462	else {
		1463	if(!doub) {
		1464	d1=ceil(d1);d2=floor(d2);
		1465	}
		1466	if(vbuf[0]==0 \|\| val<d1) val=d1;
		1467	else val=d2;
		1468	float2str(val,p);
		1469	}
		1470	setvar(nbuf,p); *p=0; return;
10	reyssat	1471	}
		1472	else {
7379	bpr	1473	if(strcmp(p1,"within")==0 \|\| strcmp(p1,"among")==0) {
		1474	ovlstrcpy(lbuf,p2);substit(lbuf);
		1475	bcnt=cutitems(lbuf,blist,2048);
		1476	if(bcnt<=0) {
		1477	*p=0; return;
		1478	}
		1479	for(i=0;i<bcnt;i++) {
		1480	if(strcmp(blist[i],vbuf)==0) {
		1481	*p=0; return;
		1482	}
		1483	}
		1484	if(defaulted) ovlstrcpy(p,dbuf); else ovlstrcpy(p,blist[0]);
		1485	setvar(nbuf,p); *p=0;
		1486	return;
10	reyssat	1487	}
7379	bpr	1488	else goto syntax;
		1489	}
10	reyssat	1490	}
		1491
8155	bpr	1492	/* detrust the module. */
10	reyssat	1493	void exec_detrust(char *p)
7379	bpr	1494	{ untrust\|=1; *p=0; }
10	reyssat	1495
		1496	void exec_warn(char *p)
		1497	{
		1498	char p1,p2;
		1499	char buf[MAX_FNAME+1];
		1500	WORKING_FILE save;
		1501
		1502	if(!outputing) goto end;
		1503	p1=find_word_start(p);p2=find_word_end(p1);
		1504	if(p2<=p1) goto end;
		1505	*p2=0;
		1506	snprintf(buf,sizeof(buf),"wims_warn_%s",p1);
		1507	p2=getvar(buf);
		1508	if(p2==NULL \|\| *p2==0) goto end;
		1509	p2=getvar("module_language");if(p2==NULL) p2="en";
		1510	mkfname(buf,"msg/warn_%s.phtml.%s",p1,p2);
		1511	memmove(&save,&m_file,sizeof(WORKING_FILE));
		1512	if(open_working_file(&m_file,buf)==0) phtml_put(NULL,0);
		1513	memmove(&m_file,&save,sizeof(WORKING_FILE));
		1514	end:
		1515	*p=0; return;
		1516	}
		1517
8155	bpr	1518	/* write an error message. */
10	reyssat	1519	void exec_msg(char *p)
		1520	{
		1521	char p1,p2, buf[64], *l;
		1522	secure_exec();
		1523	p1=find_word_start(p); p2=find_word_end(p1);
		1524	if(*p2) {
7379	bpr	1525	*p2=0; p2=find_word_start(p2+1);
10	reyssat	1526	}
		1527	force_setvar("wims_error",p1); force_setvar("wims_error_parm",p2);
		1528	l=getvar("module_language");
		1529	if(l!=NULL && strlen(l)==2) {
7379	bpr	1530	snprintf(buf,sizeof(buf),"msg.phtml.%s",l);
		1531	phtml_put_base(buf,0);
10	reyssat	1532	}
		1533	*p=0;
		1534	}
		1535
8185	bpr	1536	struct distr_cmd distr_cmd[]={
7379	bpr	1537	{"char", NULL},
		1538	{"charof", NULL},
		1539	{"chars", NULL},
		1540	{"charsof", NULL},
		1541	{"item", cutitems},
		1542	{"itemof", cutitems},
		1543	{"items", cutitems},
		1544	{"itemsof", cutitems},
		1545	{"line", cutlines},
		1546	{"lineof", cutlines},
		1547	{"lines", cutlines},
		1548	{"linesof", cutlines},
		1549	{"list", cutitems},
		1550	{"word", cutwords},
		1551	{"wordof", cutwords},
		1552	{"words", cutwords},
		1553	{"wordsof", cutwords}
10	reyssat	1554	};
		1555
8185	bpr	1556	int distr_cmd_no=(sizeof(distr_cmd)/sizeof(distr_cmd[0]));
10	reyssat	1557
8155	bpr	1558	/* distribute a number of lines, items, etc. into a list of vars. */
10	reyssat	1559	void exec_distribute(char *p)
		1560	{
		1561	int i,k,n;
		1562	char p1, p2;
		1563	char bf1[MAX_LINELEN+1],bf2[MAX_LINELEN+1];
		1564	char names[4096],vals[4096];
		1565	p1=find_word_start(p); p2=find_word_end(p1);
		1566	if(p2<=p1 \|\| *p2==0) module_error("syntax_error");
		1567	*p2++=0;
		1568	i=search_list(distr_cmd,distr_cmd_no,sizeof(distr_cmd[0]),p1);
		1569	if(i<0) module_error("syntax_error");
		1570	p2=find_word_start(p2); p1=wordchr(p2,"into");
		1571	if(p1==NULL) module_error("syntax_error");
		1572	*p1=0;mystrncpy(bf1,p2,sizeof(bf1));
		1573	p1=find_word_start(p1+strlen("into"));
		1574	mystrncpy(bf2,p1,sizeof(bf2));
		1575	substit(bf1);substit(bf2);
		1576	strip_trailing_spaces(bf1);
		1577	items2words(bf2); n=cutwords(bf2,names,4096);
		1578	if(distr_cmd[i].routine!=NULL) {
7379	bpr	1579	k=distr_cmd[i].routine(bf1,vals,n);
		1580	for(i=0;i<k;i++) setvar(names[i],vals[i]);
		1581	for(;i<n;i++) setvar(names[i],"");
10	reyssat	1582	}
		1583	else {
7379	bpr	1584	char buf[2];
		1585	buf[1]=0;
		1586	for(p1=bf1,i=0;i<n;i++) {
		1587	buf[0]=p1; if(p1) p1++;
		1588	setvar(names[i],buf);
		1589	}
10	reyssat	1590	}
		1591	}
		1592
8155	bpr	1593	/* reset variables */
10	reyssat	1594	void exec_reset(char *p)
		1595	{
		1596	char p1, p2;
		1597
		1598	items2words(p);
		1599	for(p1=find_word_start(p); *p1; p1=find_word_start(p2)) {
7379	bpr	1600	p2=find_word_end(p1); if(p2) p2++=0;
		1601	setvar(p1,"");
10	reyssat	1602	}
		1603	}
		1604
8155	bpr	1605	/* exchange the values of two variables */
10	reyssat	1606	void exec_exchange(char *p)
		1607	{
		1608	char buf[MAX_LINELEN+1],b1[MAX_LINELEN+1],b2[MAX_LINELEN+1];
		1609	char p1,p2,*pb;
		1610	p1=wordchr(p,"and");
		1611	if(p1!=NULL) {
7379	bpr	1612	*p1=0; p2=find_word_start(p1+strlen("and"));
10	reyssat	1613	}
		1614	else {
7379	bpr	1615	p1=strchr(p,',');
		1616	if(p1==NULL) module_error("syntax_error");
		1617	*p1=0; p2=find_word_start(p1+1);
10	reyssat	1618	}
		1619	p1=find_word_start(p);
		1620	mystrncpy(b1,p1,sizeof(b1)); substit(b1); *find_word_end(b1)=0;
		1621	mystrncpy(b2,p2,sizeof(b2)); substit(b2); *find_word_end(b2)=0;
		1622	if(b1==0 \|\| b2==0) module_error("syntax_error");
		1623	pb=getvar(b1);if(pb==NULL) pb="";
		1624	mystrncpy(buf,pb,sizeof(buf));
		1625	pb=getvar(b2);if(pb==NULL) pb="";
		1626	setvar(b1,pb); setvar(b2,buf);
		1627	}
		1628
8155	bpr	1629	/* Send a mail */
10	reyssat	1630	void exec_mailto(char *p)
		1631	{
		1632	char p1,p2,*pp;
		1633
		1634	if(!trusted_module() \|\| is_class_module) return;
		1635	p1=strchr(p,'\n'); if(p1==NULL) return;
		1636	*p1++=0; p=find_word_start(p);
		1637	if(*p==0) return;
		1638	p2=strchr(p1,'\n'); if(p2==NULL) return;
		1639	*p2++=0;
		1640	for(pp=p1;pp;pp++) if(pp=='"' \|\| pp=='\n') pp=' ';
		1641	accessfile(p2,"w","%s/mail.body",tmp_dir);
		1642	wrapexec=1;
		1643	call_sh("mail %s -s \" %s \" %s <%s/mail.body; chmod og-rwx %s/mail.body",
7379	bpr	1644	mail_opt, p1,p,tmp_dir,tmp_dir);
10	reyssat	1645	mail_log(p);
		1646	*p=0;
		1647	}
		1648
8155	bpr	1649	/* Generates a user error. Internal and undocumented. */
10	reyssat	1650	void exec_usererror(char *p)
		1651	{
		1652	if(trusted_module()) user_error(p);
		1653	}
		1654
8155	bpr	1655	/* stop output. */
10	reyssat	1656	void exec_directout(char *p)
		1657	{
		1658	if(outputing \|\| !trusted_module()) return;
		1659	printf("%s",p);
		1660	noout=1;
		1661	}
		1662
		1663	enum {
		1664	EXEC_IF, EXEC_JUMP, EXEC_ELSE, EXEC_ENDIF, EXEC_EXEC,
		1665	EXEC_WHILE, EXEC_ENDWHILE,
		1666	EXEC_FOR, EXEC_VAR, EXEC_DEBUG, EXEC_DAEMON,
		1667	EXEC_SET, EXEC_DEFAULT, EXEC_COMMENT, EXEC_READ, EXEC_HREF,
		1668	EXEC_INS, EXEC_STRING, EXEC_PEDIA, EXEC_DIR,
		1669	EXEC_TRUST, EXEC_WARN, EXEC_ERROR, EXEC_SQL, EXEC_SCORE,
		1670	EXEC_MAIL, EXEC_OTHER
		1671	} EXEC_TYPES;
		1672	#define EXEC_SUBST 0x1000
		1673	#define EXEC_USECALC 0x2000
		1674	#define EXEC_PROCTOO 0x4000
		1675	MYFUNCTION exec_routine[]={
7379	bpr	1676	{"!", EXEC_COMMENT, exec_comment},
		1677	{"TeXmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1678	{"add", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1679	{"advance", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1680	{"append", EXEC_STRING\|EXEC_USECALC,calc_append},
		1681	{"appendfile",EXEC_DIR\|EXEC_SUBST, fileappend},
		1682	{"bound", EXEC_STRING, exec_bound},
		1683	{"break", EXEC_FOR, exec_break},
		1684	{"call", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1685	{"changeto", EXEC_READ\|EXEC_SUBST, exec_changeto},
		1686	{"char", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1687	{"chars", EXEC_STRING\|EXEC_USECALC,calc_charof},
		1688	{"checkhost", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_checkhost},
		1689	{"column", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1690	{"columns", EXEC_STRING\|EXEC_USECALC,calc_columnof},
		1691	{"comment", EXEC_COMMENT, exec_comment},
		1692	{"daemon", EXEC_DAEMON\|EXEC_USECALC\|EXEC_SUBST,calc_daemon},
		1693	{"date", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_date},
		1694	{"deaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,deaccent},
		1695	{"debug", EXEC_DEBUG, calc_debug},
		1696	{"declosing", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_declosing},
		1697	{"def", EXEC_SET, exec_set},
		1698	{"default", EXEC_SET, exec_default},
		1699	{"define", EXEC_SET, exec_set},
		1700	{"definitionof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1701	{"defof", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1702	{"defread", EXEC_READ\|EXEC_SUBST, exec_defread},
		1703	{"detag", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_detag},
		1704	{"detrust", EXEC_TRUST, exec_detrust},
		1705	/* {"dictionary",EXEC_STRING\|EXEC_USECALC,calc_dictionary}, */
		1706	{"dir", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1707	{"distribute",EXEC_STRING, exec_distribute},
		1708	{"distrust", EXEC_TRUST, exec_detrust},
		1709	{"else", EXEC_ELSE, exec_else},
		1710	{"embraced", EXEC_STRING\|EXEC_USECALC,calc_embraced},
		1711	{"encyclo", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1712	{"encyclopedia",EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1713	{"endif", EXEC_ENDIF, exec_endif},
		1714	{"endwhile", EXEC_ENDWHILE, exec_endwhile},
		1715	{"evalsubst", EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1716	{"evalsubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
10	reyssat	1717	{"evalsubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
7379	bpr	1718	{"evaluesubst",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
		1719	{"evaluesubstit",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
10	reyssat	1720	{"evaluesubstitute",EXEC_STRING\|EXEC_USECALC,calc_evalsubst},
7379	bpr	1721	{"examscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_examscore},
		1722	{"exchange", EXEC_STRING, exec_exchange},
		1723	{"exec", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1724	{"execute", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1725	{"exit", EXEC_JUMP, exec_exit},
		1726	{"fileappend",EXEC_DIR\|EXEC_SUBST, fileappend},
		1727	{"filelist", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1728	{"fileout", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1729	{"filewrite", EXEC_DIR\|EXEC_SUBST, filewrite},
		1730	{"for", EXEC_FOR, exec_for},
		1731	{"form", EXEC_HREF\|EXEC_SUBST, exec_form},
		1732	{"formbar", EXEC_HREF, exec_formbar},
		1733	{"formcheckbox",EXEC_HREF, exec_formcheckbox},
		1734	{"formend", EXEC_STRING, exec_formend},
		1735	{"formradio", EXEC_HREF, exec_formradio},
		1736	{"formradiobar",EXEC_HREF, exec_formbar},
		1737	{"formselect",EXEC_HREF, exec_formselect},
		1738	{"getdef", EXEC_SCORE\|EXEC_USECALC,calc_defof},
		1739	{"getfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1740	{"getscore", EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscore},
7638	bpr	1741	{"getscorebest",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorebest},
7602	bpr	1742	{"getscorelast",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelast},
7657	bpr	1743	{"getscorelevel",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorelevel},
7379	bpr	1744	{"getscoremean",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
10	reyssat	1745	{"getscorepercent",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorepercent},
7657	bpr	1746	{"getscorequality",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoremean},
10	reyssat	1747	{"getscoreremain",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreremain},
		1748	{"getscorerequire",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscorerequire},
7602	bpr	1749	{"getscoretry",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoretry},
10	reyssat	1750	{"getscoreweight",EXEC_SCORE\|EXEC_SUBST\|EXEC_USECALC,calc_getscoreweight},
7379	bpr	1751	{"goto", EXEC_JUMP\|EXEC_SUBST, exec_goto},
		1752	{"header", EXEC_HREF, exec_header},
		1753	{"header1", EXEC_HREF, exec_header1},
		1754	{"headmenu", EXEC_HREF, exec_headmenu},
		1755	{"hex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1756	{"homeref", EXEC_HREF, exec_homeref},
		1757	{"href", EXEC_HREF, exec_href},
		1758	{"htmlbar", EXEC_HREF, exec_formbar},
		1759	{"htmlcheckbox",EXEC_HREF, exec_formcheckbox},
		1760	{"htmlheader",EXEC_HREF, exec_header},
		1761	{"htmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1762	{"htmlradio", EXEC_HREF, exec_formradio},
		1763	{"htmlradiobar",EXEC_HREF, exec_formbar},
		1764	{"htmlselect",EXEC_HREF, exec_formselect},
		1765	{"htmltail", EXEC_HREF, exec_tail},
		1766	{"htmltitle", EXEC_HREF, exec_title},
		1767	{"if", EXEC_IF, exec_if},
		1768	{"ifval", EXEC_IF, exec_ifval},
		1769	{"ifvalue", EXEC_IF, exec_ifval},
		1770	{"imgrename", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_imgrename},
		1771	{"include", EXEC_READ\|EXEC_SUBST, exec_read},
		1772	{"increase", EXEC_VAR\|EXEC_SUBST, exec_increase},
		1773	{"input", EXEC_READ\|EXEC_SUBST, exec_read},
		1774	{"insdraw", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1775	{"insmath", EXEC_INS, insmath},
		1776	{"inspaint", EXEC_INS\|EXEC_SUBST, exec_insdraw},
		1777	{"insplot", EXEC_INS\|EXEC_SUBST, exec_insplot},
		1778	{"insplot3d", EXEC_INS\|EXEC_SUBST, exec_insplot3d},
		1779	{"instex", EXEC_INS, exec_instex},
		1780	{"instexst", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1781	{"instexstatic",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1782	{"item", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1783	{"items", EXEC_STRING\|EXEC_USECALC,calc_itemof},
		1784	{"items2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1785	{"items2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1786	{"itemstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1787	{"itemstowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1788	{"let", EXEC_SET, exec_set},
		1789	{"leveldata", EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1790	{"levelpoints",EXEC_STRING\|EXEC_USECALC,calc_leveldata},
		1791	{"line", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1792	{"lines", EXEC_STRING\|EXEC_USECALC,calc_lineof},
		1793	{"lines2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1794	{"lines2list", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1795	{"lines2words",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1796	{"linestoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1797	{"linestolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2items},
		1798	{"linestowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,lines2words},
		1799	{"list2lines", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1800	{"list2words", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1801	{"listfile", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1802	{"listfiles", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1803	{"listintersect",EXEC_STRING\|EXEC_USECALC,calc_listintersect},
10	reyssat	1804	{"listintersection", EXEC_STRING\|EXEC_USECALC,calc_listintersect},
7379	bpr	1805	{"listtolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2lines},
		1806	{"listtowords",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,items2words},
		1807	{"listunion", EXEC_STRING\|EXEC_USECALC,calc_listunion},
		1808	{"listuniq", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1809	{"listunique", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_listuniq},
		1810	{"listvar", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		1811	{"lookup", EXEC_STRING\|EXEC_USECALC, calc_lookup},
		1812	{"lower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1813	{"lowercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1814	{"ls", EXEC_DIR\|EXEC_SUBST\|EXEC_USECALC,calc_listfile},
		1815	{"mailto", EXEC_MAIL\|EXEC_SUBST, exec_mailto},
		1816	{"mailurl", EXEC_MAIL\|EXEC_SUBST\|EXEC_USECALC,calc_mailurl},
		1817	{"makelist", EXEC_STRING\|EXEC_USECALC,calc_makelist},
		1818	{"math2html", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,htmlmath},
		1819	{"math2mathml",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1820	{"math2tex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1821	{"mathmlmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathmlmath},
		1822	{"mathsubst", EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
		1823	{"mathsubstit",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
10	reyssat	1824	{"mathsubstitute",EXEC_STRING\|EXEC_USECALC,calc_mathsubst},
7379	bpr	1825	{"mexec", EXEC_EXEC\|EXEC_SUBST, exec_mexec},
		1826	{"module", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_module},
		1827	{"msg", EXEC_EXEC\|EXEC_SUBST,exec_msg},
		1828	{"multiply", EXEC_STRING\|EXEC_USECALC,calc_product},
		1829	{"next", EXEC_FOR, exec_next},
		1830	{"nocache", EXEC_READ, exec_nocache},
		1831	{"non_empty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1832	{"nonempty", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_nonempty},
		1833	{"nospace", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,nospace},
		1834	{"outfile", EXEC_HREF\|EXEC_SUBST, exec_getfile},
		1835	{"pedia", EXEC_PEDIA\|EXEC_SUBST\|EXEC_USECALC,pedia},
		1836	{"perl", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_perl},
		1837	{"position", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1838	{"positionof",EXEC_STRING\|EXEC_USECALC,calc_pos},
		1839	{"positions", EXEC_STRING\|EXEC_USECALC,calc_pos},
		1840	{"prod", EXEC_STRING\|EXEC_USECALC,calc_product},
		1841	{"product", EXEC_STRING\|EXEC_USECALC,calc_product},
		1842	{"rawmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmath},
		1843	{"rawmatrix", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,rawmatrix},
		1844	{"reaccent", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,reaccent},
		1845	{"read", EXEC_READ\|EXEC_SUBST, exec_read},
		1846	{"readdef", EXEC_READ\|EXEC_SUBST, exec_defread},
		1847	{"readproc", EXEC_READ\|EXEC_SUBST, exec_readproc},
		1848	{"record", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1849	{"records", EXEC_STRING\|EXEC_USECALC,calc_recordof},
		1850	{"recursion", EXEC_STRING\|EXEC_USECALC,calc_recursion},
		1851	{"reinput", EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_reinput},
		1852	{"rem", EXEC_COMMENT, exec_comment},
		1853	{"remark", EXEC_COMMENT, exec_comment},
		1854	{"replace", EXEC_STRING\|EXEC_USECALC,calc_replace},
		1855	{"reset", EXEC_SET\|EXEC_SUBST, exec_reset},
		1856	{"restart", EXEC_JUMP\|EXEC_SUBST, exec_restart},
		1857	{"return", EXEC_JUMP, exec_exit},
		1858	{"robotrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1859	{"robottrap", EXEC_HREF\|EXEC_SUBST, exec_robottrap},
		1860	{"rootof", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1861	{"row", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1862	{"rows", EXEC_STRING\|EXEC_USECALC,calc_rowof},
		1863	{"rows2lines",EXEC_STRING\|EXEC_USECALC\|EXEC_SUBST,calc_rows2lines},
		1864	{"run", EXEC_EXEC\|EXEC_SUBST\|EXEC_PROCTOO\|EXEC_USECALC, calc_exec},
		1865	{"select", EXEC_STRING\|EXEC_USECALC,calc_select},
		1866	{"set", EXEC_SET, exec_set},
		1867	{"setdef", EXEC_OTHER, exec_setdef},
		1868	{"sh", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1869	{"shortout", EXEC_JUMP\|EXEC_SUBST, exec_directout},
		1870	{"singlespace",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,singlespace},
		1871	{"solve", EXEC_STRING\|EXEC_USECALC,calc_solve},
		1872	{"sort", EXEC_STRING\|EXEC_USECALC, calc_sort},
		1873	/* {"sql", EXEC_SQL\|EXEC_SUBST\|EXEC_USECALC, calc_sql}, */
		1874	{"staticinstex",EXEC_INS\|EXEC_USECALC, calc_instexst},
		1875	{"stinstex", EXEC_INS\|EXEC_USECALC, calc_instexst},
		1876	{"sum", EXEC_STRING\|EXEC_USECALC,calc_sum},
		1877	{"system", EXEC_EXEC\|EXEC_PROCTOO\|EXEC_SUBST,exec_sh},
		1878	{"tail", EXEC_HREF, exec_tail},
		1879	{"test", EXEC_DEBUG, exec_test},
		1880	{"texmath", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,texmath},
		1881	{"text", EXEC_STRING\|EXEC_USECALC,text},
		1882	{"title", EXEC_HREF, exec_title},
		1883	{"tohex", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_hex},
		1884	{"tolower", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_tolower},
		1885	{"toupper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1886	{"translate", EXEC_STRING\|EXEC_USECALC,calc_translate},
		1887	{"trim", EXEC_STRING\|EXEC_USECALC,calc_trim},
		1888	{"upper", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1889	{"uppercase", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,calc_toupper},
		1890	{"usererror", EXEC_WARN\|EXEC_SUBST, exec_usererror},
		1891	{"values", EXEC_STRING\|EXEC_USECALC,calc_values},
		1892	{"varlist", EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,mathvarlist},
		1893	{"warn", EXEC_WARN\|EXEC_SUBST, exec_warn},
		1894	{"warning", EXEC_WARN\|EXEC_SUBST, exec_warn},
		1895	{"while", EXEC_WHILE, exec_while},
		1896	{"whileval", EXEC_WHILE, exec_whileval},
		1897	{"whilevalue",EXEC_WHILE, exec_whileval},
		1898	{"wimsheader",EXEC_HREF, exec_header},
		1899	{"wimsref", EXEC_HREF, exec_homeref},
		1900	{"wimstail", EXEC_HREF, exec_tail},
		1901	{"wimstitle", EXEC_HREF, exec_title},
		1902	{"word", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		1903	{"words", EXEC_STRING\|EXEC_USECALC,calc_wordof},
		1904	{"words2items",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1905	{"words2lines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		1906	{"words2list",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1907	{"wordstoitems",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1908	{"wordstolines",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2lines},
		1909	{"wordstolist",EXEC_STRING\|EXEC_SUBST\|EXEC_USECALC,words2items},
		1910	{"writefile", EXEC_DIR\|EXEC_SUBST, filewrite},
10	reyssat	1911	};
8185	bpr	1912	int EXEC_FN_NO=(sizeof(exec_routine)/sizeof(exec_routine[0]));
10	reyssat	1913
8155	bpr	1914	/* internal: to skip the content of a false if/while. */
10	reyssat	1915	static void _skip_contents(int isif)
		1916	{
		1917	char buf[MAX_NAMELEN+8], *p1;
		1918	int i,j,loop;
		1919	loop=0;
		1920	while(m_file.linepointer<m_file.linecnt) {
7379	bpr	1921	j=m_file.linepointer;
		1922	if((m_file.lines[j].isstart&2)==0) {
		1923	m_file.linepointer++; continue;
		1924	}
7407	bpr	1925	i=m_file.lines[j].execcode;
7379	bpr	1926	if(i<0) {
		1927	if(wgetline(buf,MAX_NAMELEN+4,&m_file)==EOF) return;
		1928	p1=buf+1; if(p1!='i' && p1!='e' && *p1!='w') continue;
		1929	*find_word_end(p1)=0;
		1930	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p1);
		1931	if(i>=0) m_file.lines[j].execcode=i;
		1932	}
		1933	else m_file.linepointer++;
		1934	if(i<0) continue;
		1935	switch(exec_routine[i].tag & 0xffff) {
		1936	case EXEC_WHILE:
		1937	if(!isif) loop++; break;
		1938	case EXEC_IF:
		1939	if(isif) loop++; break;
		1940	case EXEC_ELSE: {
		1941	if(!isif) break;
		1942	if(loop<=0) return; else break;
		1943	}
		1944	case EXEC_ENDIF: {
		1945	if(!isif) break;
		1946	if(loop>0) {
		1947	loop--; break;
		1948	}
		1949	else return;
		1950	}
		1951	case EXEC_ENDWHILE: {
		1952	if(isif) break;
		1953	if(loop>0) {
		1954	loop--; break;
		1955	}
		1956	else return;
		1957	}
		1958	default: break;
		1959	}
10	reyssat	1960	}
		1961	}
		1962
8155	bpr	1963	/* Execute a command defined by !. Returns 0 if OK. */
10	reyssat	1964	void exec_main(char *p)
		1965	{
		1966	int i,j;
		1967	char *pp;
		1968	char tbuf2[MAX_LINELEN+1];
		1969
7379	bpr	1970	pp=find_word_end(p);
10	reyssat	1971	if(*pp!=0) {
7379	bpr	1972	*(pp++)=0; pp=find_word_start(pp);
10	reyssat	1973	}
		1974	i=m_file.lines[m_file.l].execcode;
		1975	if(i<0) {
7379	bpr	1976	i=search_list(exec_routine,EXEC_FN_NO,sizeof(exec_routine[0]),p);
		1977	m_file.lines[m_file.l].execcode=i;
10	reyssat	1978	}
		1979	if(i<0) {
7379	bpr	1980	setvar(error_data_string,p); module_error("bad_cmd");
10	reyssat	1981	}
8155	bpr	1982	/* called from !readdef, no right other than set; bail out */
10	reyssat	1983	execnt++;
		1984	if((untrust&4)!=0 && (j=(exec_routine[i].tag&0xffff))!=EXEC_SET) {
7379	bpr	1985	tbuf2[0]=0; exec_exit(tbuf2);
10	reyssat	1986	}
3718	reyssat	1987	ovlstrcpy(tbuf2,pp); j=exec_routine[i].tag;
10	reyssat	1988	if(j&EXEC_SUBST) substit(tbuf2);
		1989	if(j&EXEC_USECALC) {
7379	bpr	1990	if(!outputing && (j&EXEC_PROCTOO)==0) return;
		1991	exec_routine[i].routine(tbuf2); if(outputing) output0(tbuf2);
10	reyssat	1992	}
		1993	else exec_routine[i].routine(tbuf2);
		1994	return;
		1995	}
		1996

Subversion Repositories wimsdev

(root)/trunk/wims/src/exec.c – Rev 8213