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/* |
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gen_latex.h - Part of psiconv, a PSION 5 file formats converter |
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Copyright (c) 2001 Jim Ottaway <j.ottaway@lse.ac.uk> |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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/* gen_latex.c |
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|
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Sun Feb 11 12:16:29 2001 |
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|
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Jim Ottaway <j.ottaway@lse.ac.uk> |
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|
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Conversion to LaTeX: |
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|
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* Converts to the article class |
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|
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* If the file is a Word file and has outline levels (i.e. is not a |
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Psion 5 file), outline levels 1 to 5 are converted to sectioning |
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commands, otherwise headings are just formatted |
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|
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* If there is a style with the name 'quotation', the paragraph is |
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converted to a quotation environment (other styles/environments |
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could be added) |
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|
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* Also does formatting commands (italics -> \emph, bold -> \textbf, |
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underline -> \underline), and character translation |
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|
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*/ |
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|
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/* |
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2002/Apr. Keita KAWABE |
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Support for narrow build Asian Psions added (experimental). |
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|
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If the encoding_type is PSICONV_ENCODING_UTF8, use utf8_table for |
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character conversion. Otherwise use char_table. |
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|
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When using UTF8 for LaTeX type, note that the resulting latex source |
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is not at all usable unless the user him/herself converts it to |
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appropriate encoding. This is because the encoding in localized TeXs |
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differ from system to system. |
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For example, if the user wants to generate a Japanese LaTeX source |
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from a UTF8 Psion Word, he/she first has to convert the Word document by |
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|
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psiconv -TLaTeX -u word | iconv --from-code=utf8 --to-code=EUC-JP > test.tex |
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|
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or something similar. After that, just proceed as normal. |
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|
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If you want to use Japanese-localized documentclass "jarticle" rather |
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than "article", please uncomment all the commented-out lines that are |
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explicitly stated as "Uncomment if you'd like to use jarticle" in this |
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source. |
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*/ |
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|
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#include "config.h" |
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#include <stdio.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include "psiconv/data.h" |
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#include "psiconv/list.h" |
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#include "gen.h" |
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#include "psiconv.h" |
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|
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#ifdef DMALLOC |
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#include "dmalloc.h" |
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#endif |
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|
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/* This is incomplete at the moment. |
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|
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Most of the translation/faking of chars is borrowed from the |
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HTML::Latex.pm perl module. */ |
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static const char *char_table[0x100] = |
85 |
{ |
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/* 0x00 */ "" ,"" ,"" ,"" ,"" ,"" ,"\n\n","\\\\" |
87 |
, |
88 |
/* 0x08 */ "\n\n" ," " ,"" ,"" ,"" ,"" ,"" ,"" |
89 |
, |
90 |
/* 0x10 */ " " ,"" ,"" ,"" ,"" ,"" ,"" ,"" |
91 |
, |
92 |
/* 0x18 */ "" ,"" ,"" ,"" ,"" ,"" ,"" ,"" |
93 |
, |
94 |
/* 0x20 */ " " ,"!" ,"\"" ,"\\#" ,"\\$" ,"\\%" ,"\\&","'" |
95 |
, |
96 |
/* 0x28 */ "(" ,")" ,"*" ,"+" ,"," ,"-" ,"." ,"/" |
97 |
, |
98 |
/* 0x30 */ "0" ,"1" ,"2" ,"3" ,"4" ,"5" ,"6" ,"7" |
99 |
, |
100 |
/* 0x38 */ "8" ,"9" ,":" ,";" ,"$<$" ,"=" ,"$>$" ,"?" , |
101 |
/* 0x40 */ "@" ,"A" ,"B" ,"C" ,"D" ,"E" ,"F" ,"G" |
102 |
, |
103 |
/* 0x48 */ "H" ,"I" ,"J" ,"K" ,"L" ,"M" ,"N" ,"O" |
104 |
, |
105 |
/* 0x50 */ "P" ,"Q" ,"R" ,"S" ,"T" ,"U" ,"V" ,"W" |
106 |
, |
107 |
/* 0x58 */ "X" ,"Y" ,"Z" ,"[" ,"$\\backslash$" ,"]" ,"\\^{}" |
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,"\\_" , |
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/* 0x60 */ "`" ,"a" ,"b" ,"c" ,"d" ,"e" ,"f" ,"g" |
110 |
, |
111 |
/* 0x68 */ "h" ,"i" ,"j" ,"k" ,"l" ,"m" ,"n" ,"o" |
112 |
, |
113 |
/* 0x70 */ "p" ,"q" ,"r" ,"s" ,"t" ,"u" ,"v" ,"w" |
114 |
, |
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/* 0x78 */ "x" ,"y" ,"z" ,"\\{" ,"$|$" ,"\\}" ,"~" |
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,"" , |
117 |
/* 0x80 */ "" ,"","","$f$","","{\\ldots}", "$\\dagger$","$\\ddagger$", |
118 |
/* 0x88 */ "\\^{}","","","","\\OE","" ,"" ,"" , |
119 |
/* 0x90 */ "","`","'","``","''", "$\\bullet$","--","---", |
120 |
/* 0x98 */ "~","{\\textsc{tm}}","","","\\oe","","","\\\"Y", |
121 |
/* 0xa0 */ "","!`","c","{\\pounds}", |
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"","{Y\\hspace*{-1.4ex}--}","$|$","{\\S}", |
123 |
/* 0xa8 */ |
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"\"","{\\copyright}","$^{\\underline{a}}$","","$\\neg$","$-$","","$^-$", |
125 |
/* 0xb0 */ "$^{\\circ}$","$\\pm$","$^2$","$^3$", |
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"$^\\prime$","$\\mu$","{\\P}","$\\cdot$", |
127 |
/* 0xb8 */ ",","$^1$","$^{\\underline{\\circ}}$","", |
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"$\\frac{1}{4}$","$\\frac{1}{2}$","$\\frac{3}{4}$","?`", |
129 |
/* 0xc0 */ "\\`A","\\'A","\\^A","\\~A", "\\\"A","\\AA","\\AE","\\c{C}", |
130 |
/* 0xc8 */ "\\`E","\\'E","\\^E","\\\"E", "\\`I","\\'I","\\^I","\\\"I", |
131 |
/* 0xd0 */ "{D\\hspace*{-1.7ex}-\\hspace{.9ex}}","\\~N","\\`O","\\'O", |
132 |
"\\^O","\\~O","\\\"O","$\\times$", |
133 |
/* 0xd8 */ "{\\O}","\\`U","\\'U","\\^U", "\\\"U","\\'Y","","", |
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/* 0xe0 */ "\\`a","\\'a","\\^a","\\~a", |
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"\\\"a","\\r{a}","{\\ae}","\\c{c}", |
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/* 0xe8 */ "\\`e","\\'e","\\^e","\\\"e", |
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"\\`{\\i}","\\'{\\i}","\\^{\\i}","\\\"{\\i}", |
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/* 0xf0 */ "\\v{o}","\\~n","\\`o","\\'o", "\\^o","\\~o","\\\"o","$\\div$", |
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/* 0xf8 */ "{\\o}","\\`u","\\'u","\\^u", "\\\"u","\\'y","","\\\"y" |
140 |
}; |
141 |
|
142 |
static const char *utf_table[0x100] = |
143 |
{ |
144 |
/* 0x00 */ "" ,"" ,"" ,"" ,"" ,"" ,"\n\n","\\\\" |
145 |
, |
146 |
/* 0x08 */ "\n\n" ," " ,"" ,"" ,"" ,"" ,"" ,"" |
147 |
, |
148 |
/* 0x10 */ " " ,"" ,"" ,"" ,"" ,"" ,"" ,"" |
149 |
, |
150 |
/* 0x18 */ "" ,"" ,"" ,"" ,"" ,"" ,"" ,"" |
151 |
, |
152 |
/* 0x20 */ " " ,"!" ,"\"" ,"\\#" ,"\\$" ,"\\%" ,"\\&","'" |
153 |
, |
154 |
/* 0x28 */ "(" ,")" ,"*" ,"+" ,"," ,"-" ,"." ,"/" |
155 |
, |
156 |
/* 0x30 */ "0" ,"1" ,"2" ,"3" ,"4" ,"5" ,"6" ,"7" |
157 |
, |
158 |
/* 0x38 */ "8" ,"9" ,":" ,";" ,"$<$" ,"=" ,"$>$" ,"?" , |
159 |
/* 0x40 */ "@" ,"A" ,"B" ,"C" ,"D" ,"E" ,"F" ,"G" |
160 |
, |
161 |
/* 0x48 */ "H" ,"I" ,"J" ,"K" ,"L" ,"M" ,"N" ,"O" |
162 |
, |
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/* 0x50 */ "P" ,"Q" ,"R" ,"S" ,"T" ,"U" ,"V" ,"W" |
164 |
, |
165 |
/* 0x58 */ "X" ,"Y" ,"Z" ,"[" ,"$\\backslash$" ,"]" ,"\\^{}" |
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,"\\_" , |
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/* 0x60 */ "`" ,"a" ,"b" ,"c" ,"d" ,"e" ,"f" ,"g" |
168 |
, |
169 |
/* 0x68 */ "h" ,"i" ,"j" ,"k" ,"l" ,"m" ,"n" ,"o" |
170 |
, |
171 |
/* 0x70 */ "p" ,"q" ,"r" ,"s" ,"t" ,"u" ,"v" ,"w" |
172 |
, |
173 |
/* 0x78 */ "x" ,"y" ,"z" ,"\\{" ,"$|$" ,"\\}" ,"~" |
174 |
,"" , |
175 |
/* 0x80 */ "\x80", "\x81", "\x82", "\x83", "\x84", "\x85", "\x86", "\x87", |
176 |
/* 0x88 */ "\x88", "\x89", "\x8a", "\x8b", "\x8c", "\x8d", "\x8e", "\x8f", |
177 |
/* 0x90 */ "\x90", "\x91", "\x92", "\x93", "\x94", "\x95", "\x96", "\x97", |
178 |
/* 0x98 */ "\x98", "\x99", "\x9a", "\x9b", "\x9c", "\x9d", "\x9e", "\x9f", |
179 |
/* 0xa0 */ "\xa0", "\xa1", "\xa2", "\xa3", "\xa4", "\xa5", "\xa6", "\xa7", |
180 |
/* 0xa8 */ "\xa8", "\xa9", "\xaa", "\xab", "\xac", "\xad", "\xae", "\xaf", |
181 |
/* 0xb0 */ "\xb0", "\xb1", "\xb2", "\xb3", "\xb4", "\xb5", "\xb6", "\xb7", |
182 |
/* 0xb8 */ "\xb8", "\xb9", "\xba", "\xbb", "\xbc", "\xbd", "\xbe", "\xbf", |
183 |
/* 0xc0 */ "\xc0", "\xc1", "\xc2", "\xc3", "\xc4", "\xc5", "\xc6", "\xc7", |
184 |
/* 0xc8 */ "\xc8", "\xc9", "\xca", "\xcb", "\xcc", "\xcd", "\xce", "\xcf", |
185 |
/* 0xd0 */ "\xd0", "\xd1", "\xd2", "\xd3", "\xd4", "\xd5", "\xd6", "\xd7", |
186 |
/* 0xd8 */ "\xd8", "\xd9", "\xda", "\xdb", "\xdc", "\xdd", "\xde", "\xdf", |
187 |
/* 0xe0 */ "\xe0", "\xe1", "\xe2", "\xe3", "\xe4", "\xe5", "\xe6", "\xe7", |
188 |
/* 0xe8 */ "\xe8", "\xe9", "\xea", "\xeb", "\xec", "\xed", "\xee", "\xef", |
189 |
/* 0xf0 */ "\xf0", "\xf1", "\xf2", "\xf3", "\xf4", "\xf5", "\xf6", "\xf7", |
190 |
/* 0xf8 */ "\xf8", "\xf9", "\xfa", "\xfb", "\xfc", "\xfd", "\xfe", "\xff", |
191 |
}; |
192 |
|
193 |
/* a flag to indicate the use of UTF8 */ |
194 |
static psiconv_encoding encoding = PSICONV_ENCODING_CP1252; |
195 |
|
196 |
static psiconv_character_layout gen_base_char(const psiconv_font font, |
197 |
const psiconv_color color, |
198 |
const psiconv_color |
199 |
back_color); |
200 |
static void diff_char(FILE *of, const psiconv_character_layout old, |
201 |
const psiconv_character_layout new, int *flags); |
202 |
static void gen_para(FILE *of, const psiconv_paragraph para, |
203 |
const psiconv_character_layout base_char, |
204 |
psiconv_word_f wf); |
205 |
|
206 |
static void psiconv_gen_latex_word(FILE *of,psiconv_word_f wf); |
207 |
static void psiconv_gen_latex_texted(FILE *of,psiconv_texted_f tf); |
208 |
|
209 |
psiconv_character_layout gen_base_char(const psiconv_font font, |
210 |
const psiconv_color color, |
211 |
const psiconv_color back_color) |
212 |
{ |
213 |
struct psiconv_character_layout_s base_char_struct = |
214 |
{ |
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NULL, /* color */ |
216 |
NULL, /* back_color */ |
217 |
13.0, /* font_size */ |
218 |
psiconv_bool_false, /* italic */ |
219 |
psiconv_bool_false, /* bold */ |
220 |
psiconv_normalscript, /* super_sub */ |
221 |
psiconv_bool_false, /* underline */ |
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psiconv_bool_false, /* strikethrough */ |
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NULL, /* font */ |
224 |
}; |
225 |
base_char_struct.color = color; |
226 |
base_char_struct.back_color = back_color; |
227 |
base_char_struct.font = font; |
228 |
return psiconv_clone_character_layout(&base_char_struct); |
229 |
} |
230 |
|
231 |
/* flags & 1: 1 if in a section |
232 |
flags & 2: 1 if at end-of-paragraph |
233 |
*/ |
234 |
void diff_char(FILE *of, const psiconv_character_layout old, |
235 |
const psiconv_character_layout new, |
236 |
int *flags) |
237 |
{ |
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if ((*flags & 3) == 3) { /* end of section command argument */ |
239 |
putc('}',of); |
240 |
return; |
241 |
} |
242 |
if (old->italic != new->italic) { |
243 |
if (old->italic) |
244 |
putc('}',of); |
245 |
else |
246 |
fputs("\\emph{",of); |
247 |
} |
248 |
if (old->bold != new->bold) { |
249 |
if (old->bold) |
250 |
putc('}',of); |
251 |
else |
252 |
fputs("\\textbf{",of); |
253 |
} |
254 |
if (old->underline != new->underline) { |
255 |
if (old->underline) |
256 |
putc('}',of); |
257 |
else |
258 |
fputs("\\underline{",of); |
259 |
} |
260 |
} |
261 |
|
262 |
|
263 |
const static char *sections[] = { |
264 |
"section", |
265 |
"subsection", |
266 |
"subsubsection", |
267 |
"paragraph", |
268 |
"subparagraph" |
269 |
}; |
270 |
|
271 |
struct environment { |
272 |
char *style_name; |
273 |
char *environment_name; |
274 |
}; |
275 |
|
276 |
const static struct environment environments[] = { |
277 |
{"quotation", "quotation"}, |
278 |
{"", NULL} |
279 |
}; |
280 |
|
281 |
char *find_env(char *style) { |
282 |
int n = 0; |
283 |
while (environments[n].environment_name != NULL) { |
284 |
if (strcmp(style, environments[n].style_name) == 0) { |
285 |
return environments[n].environment_name; |
286 |
} |
287 |
n++; |
288 |
} |
289 |
return NULL; |
290 |
} |
291 |
|
292 |
psiconv_bool_t bullet_switch_on = psiconv_bool_false; |
293 |
|
294 |
void gen_para(FILE *of, const psiconv_paragraph para, |
295 |
const psiconv_character_layout base_char, |
296 |
psiconv_word_f wf) |
297 |
{ |
298 |
int i,j,loc; |
299 |
psiconv_character_layout cur_char; |
300 |
psiconv_in_line_layout inl; |
301 |
int flags = 0; |
302 |
psiconv_word_style sty; |
303 |
char *env = NULL; |
304 |
|
305 |
char ** table; |
306 |
if (encoding == PSICONV_ENCODING_UTF8){ |
307 |
table = (char**)utf_table; |
308 |
}else{ |
309 |
table = (char**)char_table; |
310 |
} |
311 |
|
312 |
if (para->base_paragraph->bullet->on) { |
313 |
if (! bullet_switch_on) { |
314 |
fputs("\\begin{itemize}\n\n", of); |
315 |
bullet_switch_on = psiconv_bool_true; |
316 |
} |
317 |
fputs("\\item ",of); |
318 |
} else { |
319 |
if (bullet_switch_on) { |
320 |
fputs("\\end{itemize}\n\n", of); |
321 |
bullet_switch_on = psiconv_bool_false; |
322 |
} |
323 |
} |
324 |
|
325 |
cur_char = base_char; |
326 |
|
327 |
if (wf) { |
328 |
sty = psiconv_get_style(wf->styles_sec, para->base_style); |
329 |
if (sty->name && (env = find_env(sty->name))) { |
330 |
fputs("\\begin{",of); |
331 |
fputs(env,of); |
332 |
fputs("}\n",of); |
333 |
} else { |
334 |
if (sty->outline_level && |
335 |
(sty->outline_level > 0) && (sty->outline_level < 6)) { |
336 |
putc('\\', of); |
337 |
fputs(sections[(sty->outline_level - 1)], of); |
338 |
putc('{', of); |
339 |
cur_char = para->base_character; /* ignore initial formatting */ |
340 |
flags |= 1; |
341 |
} |
342 |
} |
343 |
} |
344 |
|
345 |
if (psiconv_list_length(para->in_lines) == 0) { |
346 |
diff_char(of,cur_char,para->base_character,&flags); |
347 |
cur_char = para->base_character; |
348 |
} |
349 |
loc = 0; |
350 |
|
351 |
for (i = 0; i < psiconv_list_length(para->in_lines); i++) { |
352 |
inl = psiconv_list_get(para->in_lines,i); |
353 |
diff_char(of,cur_char,inl->layout,&flags); |
354 |
cur_char = inl->layout; |
355 |
for (j = loc; j < inl->length + loc; j ++) { |
356 |
fputs(table[(unsigned char) (para->text[j])],of); |
357 |
} |
358 |
loc = j; |
359 |
} |
360 |
|
361 |
if (loc < strlen(para->text)) { |
362 |
diff_char(of,cur_char,para->base_character,&flags); |
363 |
cur_char = para->base_character; |
364 |
for (j = loc; j < strlen(para->text); j ++) { |
365 |
fputs(table[(unsigned char) (para->text[j])],of); |
366 |
} |
367 |
} |
368 |
|
369 |
flags |= 2; |
370 |
diff_char(of,cur_char,base_char,&flags); |
371 |
|
372 |
if (env) { |
373 |
fputs("\n\\end{",of); |
374 |
fputs(env,of); |
375 |
putc('}',of); |
376 |
} |
377 |
|
378 |
fputs("\n\n", of); |
379 |
} |
380 |
|
381 |
int psiconv_gen_latex(const char * filename,const psiconv_file file, |
382 |
const char *dest, const psiconv_encoding encoding_type) |
383 |
{ |
384 |
FILE *of = fopen(filename,"w"); |
385 |
if (! of) |
386 |
return -1; |
387 |
|
388 |
encoding = encoding_type; |
389 |
|
390 |
if (file->type == psiconv_word_file) { |
391 |
psiconv_gen_latex_word(of,(psiconv_word_f) file->file); |
392 |
} else if (file->type == psiconv_texted_file) { |
393 |
psiconv_gen_latex_texted(of,(psiconv_texted_f) file->file); |
394 |
} else { |
395 |
fclose(of); |
396 |
return -1; |
397 |
} |
398 |
return fclose(of); |
399 |
} |
400 |
|
401 |
/* This isn't tested !!! */ |
402 |
void psiconv_gen_latex_texted(FILE *of,psiconv_texted_f tf) |
403 |
{ |
404 |
psiconv_character_layout base_char; |
405 |
psiconv_paragraph para; |
406 |
int i; |
407 |
|
408 |
/* We have nothing better */ |
409 |
base_char = psiconv_basic_character_layout(); |
410 |
|
411 |
/* Uncomment if you'd like to use jarticle... |
412 |
if (encoding == PSICONV_ENCODING_UTF8){ |
413 |
fputs("\\documentclass{jarticle}\n\n\\begin{document}\n\n", of); |
414 |
}else{ |
415 |
*/ |
416 |
fputs("\\documentclass{article}\n\n\\begin{document}\n\n", of); |
417 |
/* Uncomment if you'd like to use jarticle... |
418 |
} |
419 |
*/ |
420 |
for (i = 0; i < psiconv_list_length(tf->texted_sec->paragraphs); i++) { |
421 |
para = psiconv_list_get(tf->texted_sec->paragraphs,i); |
422 |
gen_para(of,para,base_char, NULL); |
423 |
} |
424 |
fputs("\\end{document}",of); |
425 |
psiconv_free_character_layout(base_char); |
426 |
} |
427 |
|
428 |
void psiconv_gen_latex_word(FILE *of,psiconv_word_f wf) |
429 |
{ |
430 |
int i; |
431 |
psiconv_paragraph para; |
432 |
psiconv_color white,black; |
433 |
psiconv_character_layout base_char; |
434 |
|
435 |
white = malloc(sizeof(*white)); |
436 |
black = malloc(sizeof(*black)); |
437 |
white->red = 0x00; |
438 |
white->green = 0x00; |
439 |
white->blue = 0x00; |
440 |
black->red = 0xff; |
441 |
black->green = 0xff; |
442 |
black->blue = 0xff; |
443 |
|
444 |
/* To keep from generating a font desc for each line */ |
445 |
base_char = gen_base_char(wf->styles_sec->normal->character->font, |
446 |
black,white); |
447 |
|
448 |
psiconv_free_color(black); |
449 |
psiconv_free_color(white); |
450 |
|
451 |
/* Uncomment if you'd like to use jarticle |
452 |
if (encoding == PSICONV_ENCODING_UTF8){ |
453 |
fputs("\\documentclass{jarticle}\n\n\\begin{document}\n\n", of); |
454 |
}else{ |
455 |
*/ |
456 |
fputs("\\documentclass{article}\n\n\\begin{document}\n\n", of); |
457 |
/* Uncomment if you'd like to use jarticle |
458 |
} |
459 |
*/ |
460 |
|
461 |
for (i = 0; i < psiconv_list_length(wf->paragraphs); i++) { |
462 |
para = psiconv_list_get(wf->paragraphs,i); |
463 |
gen_para(of,para,base_char,wf); |
464 |
} |
465 |
fputs("\\end{document}\n",of); |
466 |
for (i = 0; i < |
467 |
psiconv_list_length(wf->page_sec->header->text->paragraphs); i++) { |
468 |
para = psiconv_list_get(wf->page_sec->header->text->paragraphs,i); |
469 |
gen_para(of,para,base_char,wf); |
470 |
} |
471 |
|
472 |
psiconv_free_character_layout(base_char); |
473 |
} |
474 |
|
475 |
static struct psiconv_fileformat_s ff = |
476 |
{ |
477 |
"LaTeX", |
478 |
"LaTeX conversion to article class", |
479 |
&psiconv_gen_latex |
480 |
}; |
481 |
|
482 |
void init_latex(void) |
483 |
{ |
484 |
psiconv_list_add(fileformat_list,&ff); |
485 |
} |
486 |
|