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icas.cc
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icas.cc
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// -*- mode:C++ ; compile-command: "g++-3.4 -I.. -I../include -g -c icas.cc" -*-
// N.B. for valgrind check, use export GIAC_RELEASE=1
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "first.h"
#ifdef KHICAS
int main(){
return 0;
}
#else
/*
* Copyright (C) 2000,2020 B. Parisse, Institut Fourier, 38402 St Martin d'Heres
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "global.h"
#ifdef HAVE_LIBREADLINE
#include <readline/readline.h>
#include <readline/history.h>
#endif // HAVE_LIBREADLINE
using namespace std;
#include <string>
#include <stdexcept>
#include <fstream>
#include <iomanip>
#include <time.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
//#include <unistd.h> // For reading arguments from file
#include <fcntl.h>
#include <cstdlib>
#include "gen.h"
#include "index.h"
#include "sym2poly.h"
#include "derive.h"
#include "intg.h"
#include "tex.h"
#include "lin.h"
#include "solve.h"
#include "modpoly.h"
#include "usual.h"
#include "sym2poly.h"
#include "moyal.h"
#include "ifactor.h"
#include "gauss.h"
#include "isom.h"
#include "plot.h"
#include "prog.h"
#include "rpn.h"
#include "pari.h"
#include "help.h"
#include "plot.h"
#include "input_lexer.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#include "Python.h"
#include "qjsgiac.h"
#ifdef __MINGW_H
#include <direct.h>
#endif
// using namespace giac;
#ifdef HAVE_LIBREADLINE
static char *line_read = (char *)NULL;
/* Read a string, and return a pointer to it. Returns NULL on EOF. */
char *
rl_gets (int count)
{
/* If the buffer has already been allocated, return the memory
to the free pool. */
if (line_read)
{
free (line_read);
line_read = (char *)NULL;
}
/* Get a line from the user. */
string prompt(giac::print_INT_(count)+">> ");
line_read = readline ((char *)prompt.c_str());
/* If the line has any text in it, save it on the history. */
if (line_read && *line_read)
add_history (line_read);
return (line_read);
}
#endif // HAVE_LIBREADLINE
#ifdef HAVE_EQASCII
extern "C" {
typedef struct
{
int x; /* width */
int y; /* heigth */
int baseline; /* default line for single characters
counting from down */
}
Tdim;
struct Tgraph;
struct Tgraph /* the order of fields is important--see Tarray */
{
struct Tgraph **down; /* downnodes for sequential chilren */
Tdim dim; /* dimensions of this field */
int children; /* number of children */
struct Tgraph *up; /* upnode */
char *txt; /* the text. #1 points for a child */
};
Tdim dim (char *txt, struct Tgraph *graph);
char **draw (struct Tgraph *graph);
char *preparse (char *txt);
void dealloc(struct Tgraph *graph);
}
#endif // HAVE_EQASCII
#include "Xcas1.h"
#include "Cfg.h"
/* TeXmacs interface
See /usr/share/TeXmacs examples/plugins and progs for ex. of scheme commands
Run texmacs -x '(make-session "giac" "default")' to start automatically
giac at texmacs beginning
*/
#define TEXMACS_DATA_BEGIN ((char) 2)
#define TEXMACS_DATA_END ((char) 5)
#define TEXMACS_DATA_ESCAPE ((char) 27)
#define TEXMACS_DATA_COMMAND ((char) 16)
#define EMACS_ESCAPE ((char) 8)
#define EMACS_DATA_BEGIN ((char) 6)
#define EMACS_DATA_END ((char) 7)
#define EMACS_QUESTION ((char) 1)
#define EMACS_RESULT ((char) 2)
#define EMACS_ERROR ((char) 9)
#define EMACS_INLINE_HELP ((char) 8)
#define EMACS_PROMPT ((char) 13)
#define EMACS_ASK_COMPLETION ((char) 31)
#define EMACS_COMPLETION ((char) 32)
#define EMACS_END_COMPLETION ((char) 33)
static int texmacs_counter= 0;
#ifndef HAVE_LIBFLTK
using namespace giac;
#define STDIN_FILENO 0
namespace xcas {
/*
void icas_eval(giac::gen & g,giac::gen & gg,int & reading_file,std::string &filename,giac::context * contextptr){
gg=protecteval(g,10,contextptr);
}
bool fltk_view(const giac::gen & g,giac::gen & ge,const std::string & filename,std::string & figure_filename,int file_type,const giac::context *contextptr){
return false;
}
*/
}
#else
void ctrl_c_signal_handler(int signum){
giac::ctrl_c=true;
cerr << "icas/giac process " << getpid() << ", Ctrl-C pressed, interruption requested" << '\n';
}
#endif
void format_plugin () {
// The configuration of a plugin can be completed at startup time.
// This is for instance interesting if you add tab-completion a posteriori.
cout << TEXMACS_DATA_BEGIN << "command:";
cout << "(plugin-configure complete (:tab-completion #t))";
cout << TEXMACS_DATA_END;
}
void flush_stdout(int slp = 0){
#ifdef NSPIRE_NEWLIB
giac::usleep(2000);
#else
usleep(2000);
#endif
fflush (stdout);
if (slp>0) {
#ifdef NSPIRE_NEWLIB
giac::usleep(slp*1000);
#else
usleep(slp*1000);
#endif
}
}
void flush_stderr(){
#ifdef NSPIRE_NEWLIB
giac::usleep(2000);
#else
usleep(2000);
#endif
fflush (stderr);
}
void suspend_stderr() {
std::cerr.setstate(ios_base::failbit);
}
void restore_stderr() {
std::cerr.clear(std::cerr.rdstate() & ~ios_base::failbit);
}
vector<string> split_string(const string &s,const string &delim) {
size_t pos_start=0,pos_end,delim_len=delim.length();
string token;
vector<string> res;
while ((pos_end=s.find(delim,pos_start))!=string::npos) {
token=s.substr(pos_start,pos_end-pos_start);
pos_start=pos_end+delim_len;
res.push_back(token);
}
res.push_back(s.substr(pos_start));
return res;
}
string join_strings(const vector<string> &sv,const string &delim,bool insert_quotes=false) {
string ret="";
for (int i=sv.size();i-->0;) {
ret=(insert_quotes?"\""+sv[i]+"\"":sv[i])+(ret.empty()?"":delim)+ret;
}
return ret;
}
string trim_string(const string &s) {
string ws=" \t\n\r";
int i,j;
for (j=s.length();j-->0 && ws.find(s[j])!=string::npos;);
for (i=0;i<j && ws.find(s[i])!=string::npos;++i);
return s.substr(i,j-i+1);
}
size_t example_pos(const string &s) {
if (s.find("Ex")!=0)
return string::npos;
size_t pos=s.find(':');
if (pos==string::npos)
return pos;
if (pos>2 && atoi(s.substr(2,pos-2).c_str())>0)
return pos+1;
return string::npos;
}
bool is_help_text(const string &str,string &desc,string &usg,vector<string> &rel,vector<string> &ex) {
string desc_text=gettext("Description"),usg_text=gettext("Usage"),rel_text=gettext("Related"),ex_text=gettext("Examples");
string see_also=gettext("See also");
vector<string> lines=split_string(str,"\n"),fields(4),content(4,"");
for (int i=lines.size();i-->0;) {
lines[i]=trim_string(lines[i]);
if (lines[i].empty())
lines.erase(lines.begin()+i);
}
int lc=lines.size();
fields[0]=desc_text;
fields[1]=usg_text;
fields[2]=rel_text;
fields[3]=ex_text;
int j=0;
size_t pos;
for (int i=0;i<4 && j<lc;++i) {
if (lines[j].find(fields[i]+":")==0) {
content[i]=trim_string(lines[j].substr(fields[i].length()+1));
if (i==3 && content[i].empty())
content[i]=trim_string(lines[++j]);
++j;
}
}
if (j==lc) {
desc=content[0];
usg=content[1];
rel=split_string(content[2],", ");
for (int i=rel.size();i-->0;) {
if (trim_string(rel[i]).empty())
rel.erase(rel.begin()+i);
}
if (*content[3].rbegin()==';')
content[3]=content[3].substr(0,content[3].size()-1); // content[3].pop_back();
ex=split_string(content[3],";");
for (int i=ex.size();i-->0;) {
ex[i]=trim_string(ex[i]);
if (*ex[i].rbegin()==':') {
ex[i].push_back(';');
if (i+1<int(ex.size())) {
ex[i+1]=ex[i]+ex[i+1];
ex.erase(ex.begin()+i);
}
}
}
return true;
} else {
int i=lc;
bool test=false;
for (;i-->0 && (pos=example_pos(lines[i]))!=string::npos;) {
ex.push_back(trim_string(lines[i].substr(pos)));
test=true;
}
if (i>=0) {
if (lines[i].find(see_also+": ")==0) {
rel=split_string(trim_string(lines[i].substr(see_also.length()+2))," ");
for (j=rel.size();j-->0;) {
if (trim_string(rel[j]).empty())
rel.erase(rel.begin()+j);
}
if (rel.size()%2)
return false;
for (j=rel.size();j-->0;) {
if (j%2==0) {
string sep=rel[j];
if (*sep.rbegin()!='/')
return false;
sep=sep.substr(0,sep.size()-1);//sep.pop_back();
if (atoi(sep.c_str())<=0)
return false;
rel.erase(rel.begin()+j);
}
}
i--;
test=true;
}
if (!test)
return false;
if (i>=0) {
desc=lines[i];
i--;
}
if (i>=0) {
usg=lines[i];
i--;
}
}
std::reverse(ex.begin(),ex.end());
return i<0;
}
return false;
}
string str2texmacs(const string &str) {
string ret;
string::const_iterator it=str.begin(),itend=str.end();
for (;it!=itend;++it) {
switch (*it) {
case '<':
ret.append("<less>");
break;
case '>':
ret.append("<gtr>");
break;
default:
ret.append(1,*it);
break;
}
}
return ret;
}
void texmacs_begin() {
putchar(TEXMACS_DATA_BEGIN);
}
void texmacs_end() {
putchar(TEXMACS_DATA_END);
}
void texmacs_endbegin() {
texmacs_end();
texmacs_begin();
}
void print_help_text(const string &desc,const string &usg,const vector<string> &rel,const vector<string> &ex) {
string col="dark cyan",numcol="dark magenta";
bool newline=false;
if (!desc.empty()) {
printf("scheme:%s",string("(with \"font-series\" \"bold\" \"color\" \""+col+"\" \""+gettext("Description")+":\")").c_str());
texmacs_endbegin();
printf("verbatim: %s",str2texmacs(desc).c_str());
if (*desc.rbegin()!='.')
printf(".");
newline=true;
}
if (!usg.empty()) {
if (newline) printf("\n");
texmacs_endbegin();
printf("scheme:%s",string("(with \"font-series\" \"bold\" \"color\" \""+col+"\" \""+gettext("Usage")+":\")").c_str());
texmacs_endbegin();
printf("verbatim: %s",str2texmacs(usg).c_str());
newline=true;
}
if (!rel.empty()) {
if (newline) printf("\n");
texmacs_endbegin();
printf("scheme:%s",string("(with \"font-series\" \"bold\" \"color\" \""+col+"\" \""+gettext("See also")+":\")").c_str());
texmacs_endbegin();
printf("verbatim: %s",str2texmacs(join_strings(rel,", ")).c_str());
newline=true;
}
if (!ex.empty()) {
bool more_than_nine=ex.size()>9;
if (newline) printf("\n");
texmacs_endbegin();
printf("scheme:%s",string("(with \"font-series\" \"bold\" \"color\" \""+col+"\" \""+gettext("Examples")+":\")").c_str());
int cnt=0;
for (vector<string>::const_iterator it=ex.begin();it!=ex.end();++it) {
texmacs_endbegin();
printf("verbatim:\n");
texmacs_endbegin();
printf("scheme:(document (with \"color\" \"%s\" \"(%d)\"))",numcol.c_str(),++cnt);
texmacs_endbegin();
if (cnt<10 && more_than_nine)
printf("verbatim: %s",str2texmacs(*it).c_str());
else printf("verbatim: %s",str2texmacs(*it).c_str());
}
}
}
void texmacs_next_input () {
texmacs_begin();
printf("prompt#");
//printf("[%d] ",texmacs_counter);
printf("> ");
texmacs_end();
flush_stdout();
if (std::cerr.rdstate() & ios_base::failbit) {
flush_stderr();
restore_stderr();
}
}
#ifdef __MINGW_H
static const string silent_all(" >nul 2>&1");
static const string silent_err(" 2>nul");
#else
static const string silent_all(" >/dev/null 2>&1");
static const string silent_err(" 2>/dev/null");
#endif
bool texmacs_graph_lr_margins(const string &fname,int &val,bool init=true,int width=0) {
char buffer[1024];
int left,w;
FILE *pipe=popen(((init?"pdfcrop --verbose ":"pdfinfo ")+giac::to_unix_path(fname)+silent_err).c_str(),"r");
if (!pipe) return false;
try {
int i=-1,j;
while(fgets(buffer,sizeof(buffer),pipe)!=NULL) {
string line(buffer);
if (init) {
if (line.substr(2,12)=="BoundingBox:") {
line=line.substr(15);
i=line.find_first_of(' ');
left=atoi(line.substr(0,i).c_str());
j=line.find_first_of(' ',i+1)+1;
i=line.find_last_of(' ');
w=atoi(line.substr(j,i-j).c_str());
break;
}
} else {
if (line.substr(0,10)=="Page size:") {
for (i=10;line[i]==' ';++i);
for (j=i;line[j]!=' ';++j);
val=atoi(line.substr(i,j-i).c_str())-width;
break;
}
}
}
if (i<0)
return false;
} catch (...) {
pclose(pipe);
return false;
}
pclose(pipe);
if (init) {
int right;
if (!texmacs_graph_lr_margins(fname,right,false,w))
return false;
val=(left+right)/2;
}
return true;
}
bool system_status_ok(int status) {
return status!=-1
#ifndef __MINGW_H
&& WEXITSTATUS(status)==0
#endif
;
}
std::string texmacs_image_file;
int texmacs_image_files_count;
void texmacs_graph_output(const giac::gen & g,giac::gen & gg,std::string & figfilename,int file_type,const giac::context * contextptr){
#if 1 // changes by L. Marohnić
string fcrop=texmacs_image_file+"-crop.pdf";
string fclean=texmacs_image_file+"-clean.eps";
string feps=texmacs_image_file+".eps";
string fpdf=texmacs_image_file+".pdf";
if (!xcas::fltk_view(g,gg,feps,figfilename,file_type,contextptr)){
texmacs_begin();
printf("verbatim:%s\n",gettext("Plot cancelled or unable to plot"));
texmacs_end();
flush_stdout();
return;
}
if (0 && figfilename.empty()){
texmacs_begin();
if (gg.is_symb_of_sommet(giac::at_program))
printf("verbatim:%s\n",gg.print().c_str());
else {
if (gg.type==giac::_STRNG)
printf("verbatim:%s\n",gg._STRNGptr->c_str());
else
printf("scheme:%s",giac::gen2scm(gg,giac::context0).c_str());
}
texmacs_end();
flush_stdout();
}
else {
bool cleaned=false,cropped=false,no_pdfcrop=true;
#ifdef HAVE_SYSTEM
if (system(NULL)) {
#ifdef __MINGW_H
no_pdfcrop=system("where pdfcrop >nul 2>&1") || system("where pdfinfo >nul 2>&1");
#else
no_pdfcrop=system("which pdfcrop >/dev/null 2>&1") || system("which pdfinfo >/dev/null 2>&1");
#endif
stringstream ss;
int lr,status;
#ifdef __MINGW_H
cleaned=system_status_ok(system(("eps2eps "+feps+" "+fclean).c_str())) &&
system_status_ok(system(("ps2pdf -dEPSCrop "+fclean+" "+fpdf).c_str()));
#else
status=system(("eps2eps "+feps+" - | ps2pdf -dEPSCrop - "+fpdf).c_str());
cleaned=system_status_ok(status);
#endif
if (cleaned && !no_pdfcrop) {
if (!texmacs_graph_lr_margins(fpdf,lr))
no_pdfcrop=true;
else ss << lr << " 0 " << lr << " 0";
}
string mrg=ss.str();
if (cleaned && !no_pdfcrop) {
status=system(("pdfcrop --margins '"+mrg+"' "+giac::to_unix_path(fpdf)+" "+giac::to_unix_path(fcrop)+silent_all).c_str());
cropped=system_status_ok(status);
}
}
#endif
usleep(1000);
texmacs_begin();
printf("scheme:(htab \"\")");
texmacs_endbegin();
printf("file:%s", (cleaned?(cropped?fcrop:fpdf):feps).c_str());
texmacs_endbegin();
printf("scheme:(htab \"\")");
texmacs_end();
flush_stdout(200);
// delete temporary image files
remove(feps.c_str());
remove(fpdf.c_str());
remove(fclean.c_str());
remove(fcrop.c_str());
}
#else
if (!xcas::fltk_view(g,gg,"casgraph.eps",figfilename,file_type,contextptr)){
putchar(TEXMACS_DATA_BEGIN);
printf("verbatim: Plot cancelled or unable to plot\n");
putchar(TEXMACS_DATA_END);
flush_stdout();
return;
}
if (0
&& figfilename.empty()
){
putchar(TEXMACS_DATA_BEGIN);
if (gg.is_symb_of_sommet(giac::at_program))
printf("verbatim: %s\n",gg.print().c_str());
else {
if (gg.type==giac::_STRNG)
printf("verbatim: %s\n",gg._STRNGptr->c_str());
else
printf("latex:\\[ %s \\]",giac::gen2tex(gg,giac::context0).c_str());
}
}
else {
putchar(TEXMACS_DATA_END);
// putchar(TEXMACS_DATA_END);
flush_stdout();
// putchar(TEXMACS_DATA_BEGIN);
// printf("output#");
putchar(TEXMACS_DATA_BEGIN);
printf("verbatim:");
ifstream tmpif("casgraph.eps");
ifstream_output(tmpif);
putchar(TEXMACS_DATA_END);
// putchar(TEXMACS_DATA_END);
flush_stdout();
// ofstream log("log");
// log << g << '\n';
}
#endif
}
void texmacs_output(const giac::gen & g,giac::gen & gg,bool reading_file,int no,const giac::context * contextptr){
giac::history_in(contextptr).push_back(g);
giac::history_out(contextptr).push_back(gg);
#if 1 // changes by L. Marohnić
if (reading_file){
texmacs_begin();
printf("verbatim:%s\n",str2texmacs(g.print()).c_str());
texmacs_end();
flush_stdout();
}
int graph_output=graph_output_type(gg);
if (graph_output){
string filename="";
texmacs_graph_output(g,gg,filename,0,contextptr);
return;
}
if (reading_file && gg.is_symb_of_sommet(giac::at_program))
return;
if (g.is_symb_of_sommet(giac::at_nodisp))
return;
texmacs_begin();
if (gg.type==giac::_STRNG) {
string desc,usg;
vector<string> rel,ex;
if (is_help_text(*gg._STRNGptr,desc,usg,rel,ex)) {
if (usg.find(gettext("No help available for "))==0) {
printf("%s, %s%s: %s?\n",usg.c_str(),gettext("did you mean"),(rel.size()>1?gettext(" one of"):""),join_strings(rel,", ").c_str());
} else {
giac::gen h=history_in(contextptr).back(),cmd;
if (h.is_symb_of_sommet(giac::at_findhelp)) {
cmd=h._SYMBptr->feuille;
string c=cmd.print(contextptr);
if (*c.begin()=='\'' && *c.rbegin()=='\'')
c=c.substr(1,c.length()-2);
if (usg.size()>4 && usg.substr(usg.length()-5,5)=="(Opt)")
usg.clear();
printf("scheme:(document (with \"color\" \"dark red\" \"font-series\" \"bold\" \"%s\") \"\")",c.c_str());
texmacs_endbegin();
std::map<std::string,std::string>::const_iterator it=giac::lexer_localization_map().find(c),itend=giac::lexer_localization_map().end();
if (it!=itend)
c=it->second;
vector<string> v=giac::html_help(giac::html_mtt,c);
if (!v.empty())
;
}
print_help_text(desc,usg,rel,ex);
}
} else {
string err_text=gettext("Error");
vector<string> lines=split_string(*gg._STRNGptr,"\n");
for (int i=lines.size();i-->0;) {
if (trim_string(lines[i]).empty())
lines.erase(lines.begin()+i);
}
string ts;
if ((ts=trim_string(lines.back())).find(err_text+":")==0) {
lines.pop_back();
printf("verbatim:%s",str2texmacs(join_strings(lines,"\n")).c_str());
printf("\n");
texmacs_endbegin();
string msg=trim_string(ts.substr(err_text.length()+1));
printf("scheme:(with \"color\" \"red\" \"%s\")",string(err_text+":").c_str());
texmacs_endbegin();
printf("verbatim: %s",str2texmacs(msg).c_str());
} else printf("verbatim:%s\n",str2texmacs(*gg._STRNGptr).c_str());
}
} else {
int ans_num=(int)history_out(contextptr).size()-1;
printf("scheme:(equation* (document %s))",giac::gen2scm(gg,giac::context0).c_str());
}
#else
if (reading_file){
putchar(TEXMACS_DATA_BEGIN);
printf("verbatim: %s\n",g.print().c_str());
putchar(TEXMACS_DATA_END);
flush_stdout();
}
int graph_output=graph_output_type(gg);
if (graph_output){
string filename="";
texmacs_graph_output(g,gg,filename,0,contextptr);
return;
}
if (reading_file && gg.is_symb_of_sommet(giac::at_program))
return;
if (g.is_symb_of_sommet(giac::at_nodisp))
return;
putchar(TEXMACS_DATA_BEGIN);
if (gg.is_symb_of_sommet(giac::at_program))
printf("verbatim: %s\n",gg.print().c_str());
else {
if (gg.type==giac::_STRNG)
printf("verbatim: %s\n",gg._STRNGptr->c_str());
else
printf("latex:\\[ %s \\]",giac::gen2tex(gg,giac::context0).c_str());
}
#endif
texmacs_end();
flush_stdout();
}
void check_browser_help(const giac::gen & g){
if (g.is_symb_of_sommet(giac::at_findhelp)){
giac::gen f=g._SYMBptr->feuille;
string s;
if (f.type==giac::_SYMB)
f=f._SYMBptr->sommet;
if (f.type==giac::_FUNC)
s=f._FUNCptr->ptr()->s;
#if !defined EMCC && !defined EMCC2 && !defined NSPIRE_NEWLIB && !defined KHICAS
giac::html_vtt=giac::html_help(giac::html_mtt,s);
#ifndef HAVE_NO_SYSTEM
if (!giac::html_vtt.empty())
giac::system_browser_command(giac::html_vtt.front());
#endif
#endif
}
}
#ifdef HAVE_LIBFLTK
//#include "Equation.h"
// split s at newline or space to avoid too long strings
void split(std::string & s,int cut){
if (cut<30) cut=30;
std::string remains(s);
s.clear();
int ss;
while ( (ss=remains.size())>cut ){
int i=0;
for (;i<cut;++i){
if (remains[i]=='\n')
break;
}
if (i<cut){
s = s+remains.substr(0,i+1);
remains=remains.substr(i+1,ss-i-1);
ss=remains.size();
continue;
}
for (i=cut-10;i<ss;++i){
if (remains[i]==' ' || remains[i]=='\\' || remains[i]=='(' || remains[i]==')' || remains[i]=='{' || remains[i]=='}' || remains[i]=='[' || remains[i]==']')
break;
}
s = s+remains.substr(0,i)+'\n';
remains=remains.substr(i,ss-i);
ss=remains.size();
}
s = s+remains;
}
string ltgt(const string & s){
int ss=s.size(),i;
string res;
for (i=0;i<ss-4;i++){
if (s[i]!='&' || s[i+2]!='t' || s[i+3]!=';'){
res += s[i];
continue;
}
if (s[i+1]=='l'){
res += '<';
i +=3;
continue;
}
if (s[i+1]=='g'){
res += '>';
i +=3;
continue;
}
res += s[i];
}
for (;i<ss;i++) res+=s[i];
return res;
}
void verb(std::string & warn,int line,ostream & out,std::string cmd_,const std::string & infile,int & texmacs_counter,bool slider,giac::context * contextptr,ostream * checkptr,std::ostream * checkptrin){
std::string cmd;
if (giac::python_compat(contextptr))
cmd="@@"+cmd_;
else
cmd=cmd_;
giac::gen g(cmd,contextptr),gg;
string gs=cmd;
split(cmd,50);
cmd=ltgt(cmd);
int pos=cmd.find('\n');
if (pos<0 || pos>=cmd.size())
pos=cmd.find('|');
if (pos<0 || pos>=cmd.size())
out << "\\verb|"<<cmd<<"|\\\\"<<'\n';
else
out << "\\begin{verbatim}\n" << cmd << "\\end{verbatim}" << '\n';
int reading_file=0;
std::string filename,tmp;
xcas::icas_eval(g,gg,reading_file,filename,contextptr);
if (checkptrin){
int ss=gs.size();
for (;ss>0;--ss){
if (gs[ss-1]!=' ' && gs[ss-1]!='\n')
break;
}
if (ss && gs[ss-1]!=';')
gs += ';';
*checkptrin << gs << '\n' ;
}
if (checkptr) *checkptr << gg << '\n';
int graph_output=graph_output_type(gg);
if (graph_output){
filename=infile+giac::print_INT_(texmacs_counter)+".eps";
if (xcas::fltk_view(g,gg,filename,tmp,-1,contextptr)){
out << "\n\\begin{center}\n\\includegraphics[width=0.8\\linewidth]{" << filename << "}\n\\end{center}\n"<<'\n';
++texmacs_counter;
}
}
else {
if (slider) {
string tmp=gg.print(contextptr);
if (tmp.size()>256) tmp=tmp.substr(0,255)+"...";
warn += "Line " + giac::print_INT_(line)+" slider "+ g.print(contextptr)+ " -> " +tmp + '\n';
return;
}
int ta=taille(gg,41);
if (ta>=40){
string tmp=gg.print(contextptr);
if (tmp.size()>256) tmp=tmp.substr(0,255)+"...";
warn += "Line " + giac::print_INT_(line)+ " large output "+g.print(contextptr)+ " -> " +tmp + '\n';
// giac::attributs attr(14,0,1);
// giac::gen data=xcas::Equation_compute_size(g,attr,600,contextptr);
}
gg=giac::string2gen(giac::gen2tex(gg,contextptr),false);
std::string s=(gg.type==giac::_STRNG)?(*gg._STRNGptr):gg.print(contextptr);
out << "$$" << s << "$$" << '\n';
}
}
void pgiac(std::string infile,std::string outfile,std::ostream * checkptr,std::ostream * checkptrin,bool dohevea){
COUT << "Giac pdflatex and HTML5 output" << '\n';
COUT << "Partly inspired from pgiac by Jean-Michel Sarlat" << '\n';
if (!giac::is_file_available("giac.tex")){
if (giac::is_file_available("/usr/share/giac/doc/giac.tex"))
giac::system_no_deprecation("cp /usr/share/giac/doc/giac.tex .");
else {
if (giac::is_file_available("/usr/local/share/giac/doc/giac.tex"))
giac::system_no_deprecation("cp /usr/local/share/giac/doc/giac.tex .");
else
if (giac::is_file_available("/Applications/share/giac/doc/giac.tex"))
giac::system_no_deprecation("cp /Applications/share/giac/doc/giac.tex .");
}
}
if (!giac::is_file_available("giacfr.tex")){
if (giac::is_file_available("/usr/share/giac/doc/giacfr.tex"))
giac::system_no_deprecation("cp /usr/share/giac/doc/giacfr.tex .");
else {
if (giac::is_file_available("/usr/local/share/giac/doc/giacfr.tex"))
giac::system_no_deprecation("cp /usr/local/share/giac/doc/giacfr.tex .");
else
if (giac::is_file_available("/Applications/share/giac/doc/giacfr.tex"))
giac::system_no_deprecation("cp /Applications/share/giac/doc/giacfr.tex .");
}
}
std::string infile_=giac::remove_extension(infile),warn;
int line=0;
giac::context ct;
debug_ptr(&ct)->debug_allowed=false;
ifstream in(infile.c_str());
ofstream out(outfile.c_str());
const int BUFFER_SIZE=32768-1;
char buf[BUFFER_SIZE+1];
buf[BUFFER_SIZE]=0;
bool inside=false,inprog=false,inverb=false;
int inhevea=0; // 1: \ifhevea, -1: \else
string prg;
for (;;){
if (in.eof())
break;
in.getline(buf,BUFFER_SIZE,'\n');++line;
string s(buf);
if (s.empty() && inside)
out << '\n';
for (;!s.empty();){
int ss=s.size();
int pos=0;
if (inhevea==1){
pos=s.find("\\fi");
if (pos>=0 && pos<ss){
inhevea=0;
break;
}
pos=s.find("\\else");
if (pos>=0 && pos<ss){
inhevea=-1;
}
break;
}
if (inhevea){
pos=s.find("\\fi");
if (pos>=0 && pos<ss){
inhevea=0;
break;
}
}
else {
pos=s.find("\\ifhevea");
if (pos>=0 && pos<ss){
inhevea=1;
break;
}
}
if (inside){
if (!inverb){
pos=s.find("\\verb");
if (pos>=0 && pos<ss){
out << s << '\n'; // ignore filtering if \verb inside
break;
}
pos=s.find("\\begin{verbatim}");
if (pos>=0 && pos<ss){
inverb=true;
out << s << '\n';
break;
}
}
pos=s.find("\\end{verbatim}");
if (pos>=0 && pos<ss){
inverb=false;
out << s << '\n';
break;
}
}
pos=s.find("%");
while (pos>0 && s[pos-1]=='\\')
pos=s.find("%",pos+1);
if (pos>=0 && pos<ss){
int pos1=s.find("{"),pos2=s.find("}");
if (pos1<0 || pos1>=pos || pos2<0 || pos2>=ss){
s=s.substr(0,pos); // should check % inside verb/verbatim
continue;
}
}
if (!inside){
int pos=s.find("\\begin{document}");
if (pos>=0 && pos<ss){
out << "\\usepackage{graphicx}\n\\usepackage{xcolor}\n\\newcommand{\\MarqueCommandeGiac}[1]{\n\\color[HTML]{8B7500}$\\rightarrow$}\n\\newcommand{\\MarqueLaTeXGiac}{%\n\\color[HTML]{08868B}}\n\\newcommand{\\InscriptionFigureGiac}[1]{%\n\\begin{center}\n\\includegraphics[width=0.7\\linewidth]{#1}\n\\end{center}\n}" << '\n';
inside=true;
}
}
else {
int pos=s.find("\\end{document}");
if (pos>=0 && pos<ss){
out << s << '\n';
out.close();
COUT << "File " << outfile << " created" << outfile << '\n' << "Then I will run pdflatex " << giac::remove_extension(outfile) << '\n' ;
if (dohevea){
std::string cmd="hevea2mml "+infile_+" &";
COUT << "Running " << cmd << '\n';
giac::system_no_deprecation(cmd.c_str());
}
else
COUT << "For HTML5 output, you can run\nhevea2mml " << infile_ << '\n';
std::string cmd="makeindex "+giac::remove_extension(outfile);
giac::system_no_deprecation(cmd.c_str());
cmd=("pdflatex "+giac::remove_extension(outfile)+" && mv "+giac::remove_extension(outfile)+".pdf "+infile_+".pdf");
COUT << cmd << '\n';
giac::system_no_deprecation(cmd.c_str());
if (!warn.empty()){
COUT << "*********************************" << '\n';
COUT << "*********************************" << '\n';
COUT << "Please take care of the warnings below. Press ENTER to continue" << '\n' << warn;
COUT << "*********************************" << '\n';
COUT << "*********************************" << '\n';
}