Changeset 489013

Timestamp:

01/12/2012 09:22:27 PM (14 years ago)

Author:

divinenephron

Message:

Re-wrote html2latex.pl in php, except for img and table handling.

Location:

latex-everything/trunk

Files:

• article-to-latex.php (modified) (8 diffs)
• default-template.php (modified) (1 diff)
• html-to-latex.php (added)
• html2latex.pl (deleted)
• perl5/HTML/Latex.pm (deleted)

latex-everything/trunk/article-to-latex.php

@@ -4 +4 @@
 Plugin URI: 
 Version: 0.1
-Author: Devon Buchanan
-Author URI: 
+Author: Divinenephron (Devon Buchanan)
+Author URI: http://divinenephron.co.uk
 Description: 
 License: GPL
@@ -17 +17 @@
 
 define( 'PLUGIN_DIR', plugin_dir_path( __FILE__ ) );            // Plugin directory with trailing slash
-define( 'HTML_TO_LATEX_SCRIPT', PLUGIN_DIR . 'html2latex.pl' );
 define( 'PDFLATEX', '/usr/texbin/pdflatex' );
 
-
-class Divinenephron_Article_To_Latex {
+include('html-to-latex.php'); // Include functions to convert html to latex.
+
+
+class A2l_Article_To_Latex {
 
     var $post;
@@ -84 +85 @@
 
         // Open and write the latex the temporary file.
-    if ( !$f = @fopen( $this->latex_file, 'w' ) )
+        if ( !WP_DEBUG )
+            $f = @fopen( $this->latex_file, 'w' );
+        else
+            $f = fopen( $this->latex_file, 'w' );
+    if ( !$f )
         return new WP_Error( 'fopen', 'Could not open temporary file for writing' );
-    if ( false === @fwrite($f, $latex) )
+        if ( ! WP_DEBUG )
+            $w = @fwrite($f, $latex);
+        else
+            $w = fwrite($f, $latex);
+    if ( !$w )
         return new WP_Error( 'fwrite', 'Could not write to temporary file' );
     fclose($f);
@@ -99 +108 @@
         }
         return $template;
-        // TODO: Add a default template in the plugin directory.
     }
     
@@ -105 +113 @@
         $tmp_file = tempnam( '/tmp', 'atl'); // Falls back on system temp dir
         $dir = dirname( $this->latex_file );
+
+        // Tell Latex to search in the theme directory for class/style files.
+        putenv('TEXINPUTS=.:' . get_stylesheet_directory() . ':' . get_template_directory() . ':');
         $cmd = sprintf( 'cd %s; %s --interaction=nonstopmode %s 2>&1', $dir, PDFLATEX, $this->latex_file);
 
@@ -191 +202 @@
     if ( get_post_type( $post_id ) == 'post' && !wp_is_post_revision( $post_id ) ) {
         global $a2l;
-        $a2l = new Divinenephron_Article_To_Latex( $post_id );
+        $a2l = new A2l_Article_To_Latex( $post_id );
         $a2l->create_pdf();
     }
@@ -206 +217 @@
         $post_id = $_GET[ 'a2l_error' ];
         global $a2l;
-        $a2l = new Divinenephron_Article_To_Latex( $post_id );
+        $a2l = new A2l_Article_To_Latex( $post_id );
         $a2l->create_pdf();
     }
@@ -213 +224 @@
 
 
-/* Helper functions that converts html (e.g. from the_content() ) into LaTeX.
- */
-function a2l_latex ( $html ) {
-        $latex = a2l_get_latex( $html );
-        if ( is_wp_error( $latex ) ) {
-            print "Error: {$latex->get_error_message()}";
-        } else {
-            print $latex;
-        }
-}
-
-function a2l_get_latex ( $html ) {
-    // Get the name of a temporary file.
-    if ( !$html_file = tempnam( sys_get_temp_dir(), 'a2l-' ) ) // Should fall back on system's temp dir if /tmp does not exist
-        return new WP_Error( 'tempnam', 'Could not create temporary file.' );
-    $dir = dirname( $html_file );
-
-    // Open and write the html the temporary file.
-    if ( !$f = @fopen( $html_file, 'w' ) )
-        return new WP_Error( 'fopen', 'Could not open temporary file for writing' );
-    if ( false === @fwrite($f, $html) )
-        return new WP_Error( 'fwrite', 'Could not write to temporary file' );
-    fclose($f);
-
-    // Convert the temporary file to using html2latex.pl (the latex is put into its stdout)
-    $cmd = sprintf( 'cd %s; perl %s %s 2>/dev/null', $dir, HTML_TO_LATEX_SCRIPT, $html_file );
-    exec( $cmd, $h2l_output, $v );
-    $latex = implode( "\n", $h2l_output );
-    if ( $v != 0 ) { // There was an error
-        return new WP_Error('html2latex.pl', $latex);
-    }
-
-    unlink( $html_file );
-
-    return $latex;
-}
+

latex-everything/trunk/default-template.php

@@ -16 +16 @@
 \maketitle
 
-<?php a2l_latex( apply_filters('the_content',get_the_content( $more_link_text, $stripteaser, $more_file ))) ?>
+<?php html_to_latex( apply_filters('the_content',get_the_content( $more_link_text, $stripteaser, $more_file ))) ?>
 
 \end{document}