platexobj_formulae.cpp File Reference

#include <sys/stat.h>
#include <sys/types.h>
#include <fstream>
#include "data_all.h"
#include "convertToString.h"
#include "platexobj_menu.h"
#include "platexobj_formulae.h"

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Functions
bool	lauchLatexToPng (const PString &fileNamePng)
	Lauch latex to create png file. More...
PString	platexObj_createFormulaTex (POutoutMode &outputMode, size_t objId, const PString &latexEnv, const PString &texContent)
	Create an image with a latex formula. More...
PString	platexObj_createImageWithMathTex (size_t objId, const PString &latexEnv, const PString &texContent, const PString &fontColor)
	Create an image with a latex formula. More...
PString	platexobj_htmlStrInlineMath (POutoutMode &outputMode, const PLatexObj &obj)
	Convert a PLatexObj into a string. More...
PString	platexobj_htmlStrLatex (POutoutMode &outputMode, const PLatexObj &obj, const PString &latexEnv)
	Convert a PLatexObj into a string. More...
bool	platexobj_htmlStrLatexFile (const PString &fileName, const PString &latexEnv, const PString &mathContent, const PString &fontColor)
	Save the latex file to be used to create a picture of the given formula. More...
void	platexobj_loadFormulaeMap (PMapFormula &mapFormula)
	Load the map file of all the formulae if it exists. More...
void	platexobj_saveFormulaeMap (const PMapFormula &mapFormula)
	Save the map file of the formulae to avoid extra latex call. More...
PString	platexobj_theme_createPage (POutoutMode &outputMode)
	Create the page from variables in POutoutMode. More...
void	platexobj_theme_init_var (POutoutMode &outputMode)
	Initialise basic variables of POutoutMode. More...
void	platexobj_theme_set_var (POutoutMode &outputMode, const PString &varName, const PString &value)
	Set a variable in the map of variable for theme (will take account the IS_XXX_BEGIN accordingly if the value is empty or not) More...
void	platexobj_theme_update_var (POutoutMode &outputMode, const PString &pageLink, const PString &pageTitle, const PString &prevSecLink, const PString &prevSecTitle, const PString &nextSecLink, const PString &nextSecTitle, const PString &parentSecLink, const PString &parentSecTitle, const PPath &currentSourceFile, size_t currentSourceLine)
	Update var of POutoutMode for current section. More...
void	platexobj_update_theme (POutoutMode &outputMode, const PPath &themeBaseFile)
	Update the theme of the generated website. More...

Function Documentation

lauchLatexToPng()

bool lauchLatexToPng

(

const PString &

fileNamePng

)

Lauch latex to create png file.

Parameters

fileNamePng

: name of the png file to be created

Returns

true on success, false otherwise

Definition at line 72 of file platexobj_formulae.cpp.

                                                 {
        PString command(CMAKE_INSTALL_PREFIX "/share/PhoenixTex2Html/SCRIPTS/createTexDisplayMathpng.sh "+fileNamePng);
        
        if(system(command.c_str()) != 0){
                std::cerr << "lauchLatexToPng : can't call 'latex' to create file" << std::endl;
                return false;
        }
        return true;
}

Referenced by platexObj_createImageWithMathTex().

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platexObj_createFormulaTex()

PString platexObj_createFormulaTex	(	POutoutMode &	outputMode,
		size_t	objId,
		const PString &	latexEnv,
		const PString &	texContent
	)

Create an image with a latex formula.

Parameters

[out]	outputMode	: output mode of the html backend
	objId	: id of the object to be used
	latexEnv	: latex environement to be used
	texContent	: text to put in the environement

Returns

name of the created png file

Definition at line 117 of file platexobj_formulae.cpp.

                                                                                                                                {
        PMapFormula & mapFormula = outputMode.mapFormula;
        //Let's check if we already know the content
        PMapFormula::iterator it(mapFormula.find(texContent));
        if(it != mapFormula.end()){     //We already know this formula
                //Now we have to check if the file exists
                if(PPath(it->second).isFileExist()){
                        return it->second;
                }
        }
        PString fontColor("");
        if(outputMode.currentStyle == "dark"){
                fontColor = "\\pagecolor{black}\\color{white}";
        }
        //We do not know this formula, or the file of this formula does not exist
        PString outputFileName(platexObj_createImageWithMathTex(objId, latexEnv, texContent, fontColor));
        mapFormula[texContent] = outputFileName;
        return outputFileName;
}

References POutoutMode::currentStyle, PPath::isFileExist(), POutoutMode::mapFormula, and platexObj_createImageWithMathTex().

Referenced by platexobj_htmlStrInlineMath(), and platexobj_htmlStrLatex().

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platexObj_createImageWithMathTex()

PString platexObj_createImageWithMathTex	(	size_t	objId,
		const PString &	latexEnv,
		const PString &	texContent,
		const PString &	fontColor
	)

Create an image with a latex formula.

Parameters

objId	: id of the object to be used
latexEnv	: latex environement to be used
texContent	: text to put in the environement
fontColor	: color of the font to be used

Returns

name of the created png file

Definition at line 89 of file platexobj_formulae.cpp.

                                                                                                                                       {
        PString objIdStr(valueToString(objId));
        PString fileName("_tmp_file.tex");
        if(!platexobj_htmlStrLatexFile(fileName, latexEnv, texContent, fontColor)){
                std::cerr << "platexObj_createImageWithMathTex : can't save latex file '"<<fileName<<"' for object " << objId << std::endl;
                return "";
        }
        PPath outputDir(LATEX_IMAGE_OUTPUT_DIR);
        if(!outputDir.createDirectory()){
                std::cerr << "platexObj_createImageWithMathTex : can't create directory '" << outputDir << "'" << std::endl;
                return "";
        }
        PString fileNamePng(outputDir+"/imgMath"+objIdStr+".png");
        if(!lauchLatexToPng(fileNamePng)){
                std::cerr << "platexObj_createImageWithMathTex : can't save png file '"<<fileNamePng<<"' for object " << objId << std::endl;
                return "";
        }
        remove(fileName.c_str());
        return fileNamePng;
}

References PPath::createDirectory(), LATEX_IMAGE_OUTPUT_DIR, lauchLatexToPng(), platexobj_htmlStrLatexFile(), and valueToString().

Referenced by platexObj_createFormulaTex().

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platexobj_htmlStrInlineMath()

PString platexobj_htmlStrInlineMath	(	POutoutMode &	outputMode,
		const PLatexObj &	obj
	)

Convert a PLatexObj into a string.

Parameters

[out]	outputMode	: output mode of the html backend
	obj	: PLatexObj to be converted into a string

Returns

output string which contains the PLatexObj

Definition at line 160 of file platexobj_formulae.cpp.

                                                                                    {
        PString body("");
        if(outputMode.isMathJaxMode){
                body += "$"+obj.getText()+"$\n";
        }else{
                PString fileNamePng(platexObj_createFormulaTex(outputMode, obj.getId(), "$", obj.getText()));
                body += "<span class=\"inlineformula\" /><img src=\"" + fileNamePng + "\" alt=\""+obj.getText()+"\" /></span>";
        }
        return body;
}

References PLatexObj::getId(), PLatexObj::getText(), POutoutMode::isMathJaxMode, and platexObj_createFormulaTex().

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platexobj_htmlStrLatex()

PString platexobj_htmlStrLatex	(	POutoutMode &	outputMode,
		const PLatexObj &	obj,
		const PString &	latexEnv
	)

Convert a PLatexObj into a string.

Parameters

[out]	outputMode	: output mode of the html backend
	obj	: PLatexObj to be converted into a string
	latexEnv	: name of the latex environement to be used

Returns

output string which contains the PLatexObj

Definition at line 144 of file platexobj_formulae.cpp.

                                                                                                         {
        PString body("");
        if(outputMode.isMathJaxMode){
                body += "$$\\begin{"+latexEnv+"}"+obj.getText()+"\\end{"+latexEnv+"}$$\n";
        }else{
                PString fileNamePng(platexObj_createFormulaTex(outputMode, obj.getId(), latexEnv, obj.getText()));
                body += "<div class=\"formula\" /><img src=\"" + fileNamePng + "\" alt=\"nothing\" /></div>";
        }
        return body;
}

References PLatexObj::getId(), PLatexObj::getText(), POutoutMode::isMathJaxMode, and platexObj_createFormulaTex().

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platexobj_htmlStrLatexFile()

bool platexobj_htmlStrLatexFile	(	const PString &	fileName,
		const PString &	latexEnv,
		const PString &	mathContent,
		const PString &	fontColor
	)

Save the latex file to be used to create a picture of the given formula.

Parameters

fileName	: name of hte file to be generated
latexEnv	: name of the latex environement to be used
mathContent	: content of the latex environement
fontColor	: color of the font to be used

Returns

true on success, false otherwise

Definition at line 41 of file platexobj_formulae.cpp.

                                                                                                                                           {
        std::ofstream fs;
        fs.open(fileName.c_str());
        if(!fs.is_open()) return false;
        if(latexEnv == "$"){
                fs << "\\documentclass[8pt]{article}\n";
        }else{
                fs << "\\documentclass[12pt]{article}\n";
        }
        fs << "\\usepackage[T1]{fontenc}\n\\usepackage[utf8]{inputenc}\n\\usepackage{lmodern}\n\n\n";
        fs << "\\usepackage{calc}\n\n\n\\usepackage{amssymb}\n\\usepackage{color}\n\\usepackage{amsfonts}\n\\usepackage{bbm}\n\\pagestyle{empty}\n\n\n";
        fs << "\\usepackage{amsmath}\n\\usepackage{esint}\n\n";
//      saveListLatexFunction(fs, ptListLatexFunc);
//      saveListLatexEnv(fs, ptListLatexEnv);
        fs << "\\begin{document}\n\n";
        fs << "\\def\\sgn{\\mathop{\\mathgroup\\symoperators sgn}\\nolimits}\n";
        fs << fontColor << " ";
        if(latexEnv == "$"){
                fs << "$" << mathContent << "$\n";
        }else{
                fs << "\\begin{"<<latexEnv<<"}" << mathContent << "\\end{"<<latexEnv<<"}\n";
        }
        fs << "\\end{document}\n";
        fs.close();
        return true;
}

Referenced by platexObj_createImageWithMathTex().

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platexobj_loadFormulaeMap()

void platexobj_loadFormulaeMap

(

PMapFormula &

mapFormula

)

Load the map file of all the formulae if it exists.

Parameters

[out]

mapFormula

: map of formulae to be loaded to avoid calling latex too much

Definition at line 20 of file platexobj_formulae.cpp.

                                                        {
        PString fileName(FORMULAE_RECOVER_FILE);
        if(!data_load(fileName, mapFormula)){return;}
}

References data_load(), and FORMULAE_RECOVER_FILE.

Referenced by processAllFile().

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platexobj_saveFormulaeMap()

void platexobj_saveFormulaeMap

(

const PMapFormula &

mapFormula

)

Save the map file of the formulae to avoid extra latex call.

Parameters

[out]

mapFormula

: map of formulae to be saved

Definition at line 28 of file platexobj_formulae.cpp.

                                                              {
        PString fileName(FORMULAE_RECOVER_FILE);
        if(!data_save(fileName, mapFormula)){return;}
}

References data_save(), and FORMULAE_RECOVER_FILE.

Referenced by processAllFile().

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platexobj_theme_createPage()

PString platexobj_theme_createPage

(

POutoutMode &

outputMode

)

Create the page from variables in POutoutMode.

Parameters

[out]

outputMode

: POutoutMode to be used

Returns

html page content

Definition at line 266 of file platexobj_formulae.cpp.

                                                            {
        PString body("");
        dico_replace_nested_call(body, outputMode.themeCall, outputMode.mapVar, "${", "}");
        return body;
}

References dico_replace_nested_call(), POutoutMode::mapVar, and POutoutMode::themeCall.

Referenced by platexobj_book_createPage(), and platexobj_bookIndexHtml().

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platexobj_theme_init_var()

void platexobj_theme_init_var

(

POutoutMode &

outputMode

)

Initialise basic variables of POutoutMode.

Parameters

[out]

outputMode

: POutoutMode to init variables

Definition at line 198 of file platexobj_formulae.cpp.

                                                       {
        outputMode.mapVar["${STYLE}"] = outputMode.currentStyle;
        if(outputMode.isBookTheme){
                platexobj_theme_set_var(outputMode, "AUTHOR_EMAIL", outputMode.bookMail);
                platexobj_theme_set_var(outputMode, "GITLAB_URL", outputMode.bookGitlabUrl);
                platexobj_theme_set_var(outputMode, "GITLAB_MASTER_URL", outputMode.bookMasterProjectUrl);
                outputMode.mapVar["${BOOK_TABLE_OF_CONTENT}"] = "";
        }
        PString bibliography("");
        if(outputMode.isBibliography){
                bibliography = "bibliography.html";
        }
        platexobj_theme_set_var(outputMode, "BIBLIOGRAPHY", bibliography);
        PString remoteMathjaxFile(""), localMathjax("");
        if(outputMode.isRemoteMathjax){
                remoteMathjaxFile = "load-mathjax.js";
        }else{
                if(outputMode.isMathJaxMode){
                        localMathjax = "MathJax.js";
                }
        }
        platexobj_theme_set_var(outputMode, "REMOTE_MATHJAX", remoteMathjaxFile);
        platexobj_theme_set_var(outputMode, "LOCAL_MATHJAX", localMathjax);
}

References POutoutMode::bookGitlabUrl, POutoutMode::bookMail, POutoutMode::bookMasterProjectUrl, POutoutMode::currentStyle, POutoutMode::isBibliography, POutoutMode::isBookTheme, POutoutMode::isMathJaxMode, POutoutMode::isRemoteMathjax, POutoutMode::mapVar, and platexobj_theme_set_var().

Referenced by processAllFile().

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platexobj_theme_set_var()

void platexobj_theme_set_var	(	POutoutMode &	outputMode,
		const PString &	varName,
		const PString &	value
	)

Set a variable in the map of variable for theme (will take account the IS_XXX_BEGIN accordingly if the value is empty or not)

Parameters

[out]	outputMode	: POutoutMode to be updated
	varName	: name of the variable to be set
	value	: value of the variable to be set

Definition at line 184 of file platexobj_formulae.cpp.

                                                                                                      {
        outputMode.mapVar["${" + varName + "}"] = value;
        if(value == ""){
                outputMode.mapVar["${IS_" + varName + "_BEGIN}"] = "<!-- ";
                outputMode.mapVar["${IS_" + varName + "_END}"] = " -->";
        }else{
                outputMode.mapVar["${IS_" + varName + "_BEGIN}"] = "";
                outputMode.mapVar["${IS_" + varName + "_END}"] = "";
        }
}

References POutoutMode::mapVar.

Referenced by platexobj_theme_init_var(), and platexobj_theme_update_var().

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platexobj_theme_update_var()

void platexobj_theme_update_var	(	POutoutMode &	outputMode,
		const PString &	pageLink,
		const PString &	pageTitle,
		const PString &	prevSecLink,
		const PString &	prevSecTitle,
		const PString &	nextSecLink,
		const PString &	nextSecTitle,
		const PString &	parentSecLink,
		const PString &	parentSecTitle,
		const PPath &	currentSourceFile,
		size_t	currentSourceLine
	)

Update var of POutoutMode for current section.

Parameters

[out]	outputMode	: POutoutMode to be modified
	pageLink	: link of the current page
	pageTitle	: title of the current page
	prevSecLink	: link of the previous section
	prevSecTitle	: title of the previous section
	nextSecLink	: link of the next section
	nextSecTitle	: title of the next section
	parentSecLink	: link of the parent section
	parentSecTitle	: title of the parent section
	currentSourceFile	: current source file of the section
	currentSourceLine	: current source line of the section

Definition at line 236 of file platexobj_formulae.cpp.

{
        outputMode.mapVar["${PAGE_LINK}"] = pageLink;
        outputMode.mapVar["${PAGE_TITLE}"] = pageTitle;
        outputMode.mapVar["${PARENT_SECTION_TITLE}"] = parentSecTitle;
        platexobj_theme_set_var(outputMode, "PARENT_SECTION", parentSecLink);
        outputMode.mapVar["${PREV_PAGE_TITLE}"] = prevSecTitle;
        platexobj_theme_set_var(outputMode, "PREV_PAGE", prevSecLink);
        outputMode.mapVar["${NEXT_PAGE_TITLE}"] = nextSecTitle;
        platexobj_theme_set_var(outputMode, "NEXT_PAGE", nextSecLink);
        
        outputMode.mapVar["${CURRENT_SOURCE_FILE}"] = currentSourceFile.makeAbsolute().simplify().getUnderPath(PPath(outputMode.bookGitlabUrl).getFileName());
        outputMode.mapVar["${CURRENT_SOURCE_LINE}"] = valueToString(currentSourceLine);
        
//      outputMode.mapVar["${MAIN_TITLE}"] = "";
//      outputMode.mapVar["${SUB_MENU}"] = "";
        
        if(outputMode.isBookTheme){
                outputMode.mapVar["${BOOK_TABLE_OF_CONTENT}"] = platexobj_menuToHtml(outputMode.fullMenu, pageLink, outputMode.isBibliography);
        }
}

References POutoutMode::bookGitlabUrl, POutoutMode::fullMenu, PPath::getFileName(), PPath::getUnderPath(), POutoutMode::isBibliography, POutoutMode::isBookTheme, PPath::makeAbsolute(), POutoutMode::mapVar, platexobj_menuToHtml(), platexobj_theme_set_var(), PPath::simplify(), and valueToString().

Referenced by platexobj_book_createPage(), and platexobj_bookIndexHtml().

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platexobj_update_theme()

void platexobj_update_theme	(	POutoutMode &	outputMode,
		const PPath &	themeBaseFile
	)

Update the theme of the generated website.

Parameters

[out]	outputMode	: POutoutMode to be updated
	themeBaseFile	: file which contains the theme we want to use

Definition at line 175 of file platexobj_formulae.cpp.

                                                                                  {
        dico_create_nested_call(outputMode.themeCall, themeBaseFile.loadFileContent(), "${", "}");
}

References dico_create_nested_call(), PPath::loadFileContent(), and POutoutMode::themeCall.

Referenced by processAllFile().

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