src/l2l.c

   1 /*
   2  * lm2latex - src/l2l.c
   3  * Copyright (C) 2010 Sebastian Harl <sh@tokkee.org>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  18  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
  19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 /*
  29  * A Linux-Magazin markup to LaTeX converter -- core library.
  30  */
  31
  32 #include "l2l.h"
  33 #include "l2l_scanner.h"
  34 #include "l2l_features.h"
  35
  36 #include <assert.h>
  37
  38 #include <stdio.h>
  39
  40 /*
  41  * private helper functions
  42  */
  43
  44 static void
  45 write_tex_preamble(FILE *out)
  46 {
  47         assert(out);
  48
  49         fprintf(out,
  50 "\\documentclass[11pt,a4paper,twoside]{article}\n"
  51 "\n"
  52 "\\usepackage{ifpdf}\n"
  53 "\n"
  54 "\\usepackage{a4}\n"
  55 "\\usepackage{fancyhdr}\n"
  56 "\\ifpdf\n"
  57 "\\usepackage[pdftex]{graphicx}\n"
  58 "\\else\n"
  59 "\\usepackage[dvips]{graphicx}\n"
  60 "\\fi\n"
  61 "\n"
  62 "\\usepackage{listings}\n"
  63 "\\lstset{breaklines=true,breakatwhitespace=true}\n"
  64 "\\lstset{prebreak=\\mbox{$\\hookleftarrow$}}\n"
  65 "\\lstset{basicstyle=\\footnotesize\\ttfamily}\n"
  66 "\n"
  67 "\\usepackage[ngerman]{babel}\n"
  68 "\\usepackage[latin1]{inputenc}\n"
  69 "\\usepackage[T1]{fontenc}\n"
  70 "\\usepackage{lmodern}\n"
  71 "\n"
  72 "\\ifpdf\n"
  73 "\\usepackage[a4paper,margin=15mm,top=25mm,bottom=20mm,pdftex]{geometry}\n"
  74 "\\else\n"
  75 "\\usepackage[a4paper,margin=15mm,top=25mm,bottom=20mm,dvips]{geometry}\n"
  76 "\\fi\n"
  77 "\n"
  78 "\\usepackage{caption}\n"
  79 "\\usepackage{url}\n"
  80 "\n"
  81 "\\setlength{\\parskip}{6pt}\n"
  82 "\n"
  83 "\\renewcommand{\\headrulewidth}{0.4pt}\n"
  84 "\\renewcommand{\\footrulewidth}{0pt}\n"
  85 "\n"
  86 "\\fancypagestyle{headings}\n"
  87 "\\fancyhead{}\n"
  88 "\\fancyhead[LO,RE]{}\n"
  89 "\\fancyhead[LE,RO]{\\thepage}\n"
  90 "\\fancyfoot{}\n"
  91 "\n"
  92 "\\pagestyle{fancy}\n"
  93 "\n");
  94 } /* write_tex_preamble */
  95
  96 /*
  97  * public API
  98  */
  99
 100 int
 101 l2l_convert_file_fh(FILE *in, FILE *out)
 102 {
 103         yyscan_t scanner;
 104
 105         int status;
 106
 107         write_tex_preamble(out);
 108
 109         l2l_yylex_init(&scanner);
 110         l2l_yyset_in(in, scanner);
 111         l2l_yyset_out(out, scanner);
 112
 113         status = l2l_yylex(scanner);
 114
 115         l2l_yylex_destroy(scanner);
 116         return status;
 117 } /* l2l_convert_file_fh */
 118
 119 int
 120 l2l_convert_file(const char *infile, const char *outfile)
 121 {
 122         FILE *in, *out;
 123
 124         int status;
 125
 126         in = fopen(infile, "r");
 127         if (! in)
 128                 return -1;
 129
 130         out = fopen(outfile, "w");
 131         if (! out) {
 132                 fclose(in);
 133                 return -1;
 134         }
 135
 136         status = l2l_convert_file_fh(in, out);
 137         fclose(in);
 138         fclose(out);
 139         return status;
 140 } /* l2l_convert_file */
 141
 142 unsigned int
 143 l2l_version(void)
 144 {
 145         return L2L_VERSION;
 146 } /* l2l_version */
 147
 148 const char *
 149 l2l_version_string(void)
 150 {
 151         return L2L_VERSION_STRING;
 152 } /* l2l_version_string */
 153
 154 const char *
 155 l2l_version_extra(void)
 156 {
 157         return L2L_VERSION_EXTRA;
 158 } /* l2l_version_extra */
 159
 160 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */
 161