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frodo |
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/* gen_html.c - Part of psiconv, a PSION 5 file formats converter |
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Copyright (c) 1999-2004 Frodo Looijaard <frodol@dds.nl> |
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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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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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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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#include "config.h" |
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#include <psiconv/configuration.h> |
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#include <psiconv/data.h> |
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#include "general.h" |
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#include <string.h> |
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#include <stdlib.h> |
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#ifdef DMALLOC |
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#include "dmalloc.h" |
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#endif |
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#define TEMPSTR_LEN 100 |
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void color(const psiconv_config config, psiconv_list list, |
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psiconv_color color,int may_be_transparant, const encoding enc) |
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{ |
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char tempstr[TEMPSTR_LEN]; |
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if (may_be_transparant && |
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(color->red == 0xff) && |
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(color->blue == 0xff) && |
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(color->green == 0xff)) |
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output_simple_chars(config,list,"transparant",enc); |
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else { |
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snprintf(tempstr,TEMPSTR_LEN,"rgb(%d,%d,%d)", |
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color->red, |
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color->green, |
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color->blue); |
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output_simple_chars(config,list,tempstr,enc); |
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} |
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} |
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void style_name(const psiconv_config config, psiconv_list list, |
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const psiconv_string_t name,const encoding enc) |
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{ |
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psiconv_string_t name_copy; |
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int i; |
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if (!name) |
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return; |
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if (!(name_copy = psiconv_unicode_strdup(name))) { |
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fputs("Out of memory error\n",stderr); |
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exit(1); |
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} |
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for (i = 0; i < psiconv_unicode_strlen(name_copy); i++) { |
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if ((name_copy[i] < 0x21) || |
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((name_copy[i] >= 0x7f) && name_copy[i] <= 0xa0)) |
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name_copy[i] = '_'; |
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} |
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output_string(config,list,name_copy,enc); |
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free(name_copy); |
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} |
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void character_layout_diffs(const psiconv_config config, psiconv_list list, |
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const psiconv_character_layout new, |
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const psiconv_character_layout base, |
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const encoding enc) |
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{ |
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char tempstr[TEMPSTR_LEN]; |
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if (!base || (new->italic != base->italic)) { |
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output_simple_chars(config,list,"font-style:",enc); |
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output_simple_chars(config,list,new->italic?"italic":"normal",enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->underline != base->underline) || |
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(new->strikethrough != base->strikethrough)) { |
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output_simple_chars(config,list,"text-decoration:",enc); |
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output_simple_chars(config,list,new->underline?"underline": |
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new->strikethrough?"line-through": |
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"none",enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->bold != base->bold)) { |
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output_simple_chars(config,list,"font-weight:",enc); |
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output_simple_chars(config,list,new->bold?"bold":"normal",enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->super_sub != base->super_sub)) { |
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output_simple_chars(config,list,"font-style:",enc); |
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output_simple_chars(config,list, |
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new->super_sub==psiconv_superscript?"super": |
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new->super_sub==psiconv_subscript?"sub": |
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"normal",enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->color->red != base->color->red) || |
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(new->color->green != base->color->green) || |
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(new->color->blue != base->color->blue)) { |
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output_simple_chars(config,list,"color:",enc); |
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color(config,list,new->color,0,enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->back_color->red != base->back_color->red) || |
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(new->back_color->green != base->back_color->green) || |
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(new->back_color->blue != base->back_color->blue)) { |
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output_simple_chars(config,list,"background-color:",enc); |
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color(config,list,new->back_color,1,enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->font_size != base->font_size)) { |
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output_simple_chars(config,list,"font-size:",enc); |
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snprintf(tempstr,TEMPSTR_LEN,"%f",new->font_size); |
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output_simple_chars(config,list,tempstr,enc); |
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output_simple_chars(config,list,"pt;",enc); |
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} |
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} |
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void paragraph_layout_diffs(const psiconv_config config, psiconv_list list, |
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const psiconv_paragraph_layout new, |
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const psiconv_paragraph_layout base, |
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const encoding enc) |
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{ |
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char tempstr[TEMPSTR_LEN]; |
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if (!base || (new->back_color->red != base->back_color->red) || |
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(new->back_color->green != base->back_color->green) || |
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(new->back_color->blue != base->back_color->blue)) { |
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output_simple_chars(config,list,"background-color:",enc); |
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color(config,list,new->back_color,1,enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->indent_left != base->indent_left)) { |
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output_simple_chars(config,list,"padding-left:",enc); |
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snprintf(tempstr,TEMPSTR_LEN,"%f",new->indent_left); |
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output_simple_chars(config,list,tempstr,enc); |
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output_simple_chars(config,list,"cm;",enc); |
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} |
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if (!base || (new->indent_right != base->indent_right)) { |
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output_simple_chars(config,list,"padding-right:",enc); |
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snprintf(tempstr,TEMPSTR_LEN,"%f",new->indent_right); |
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output_simple_chars(config,list,tempstr,enc); |
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output_simple_chars(config,list,"cm;",enc); |
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} |
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if (!base || (new->indent_left - new->indent_first != |
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base->indent_left - base->indent_first)) { |
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output_simple_chars(config,list,"text-indent:",enc); |
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snprintf(tempstr,TEMPSTR_LEN,"%f",new->indent_right - new->indent_first); |
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output_simple_chars(config,list,tempstr,enc); |
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output_simple_chars(config,list,"cm;",enc); |
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} |
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if (!base || (new->justify_hor != base ->justify_hor)) { |
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output_simple_chars(config,list,"font-style:",enc); |
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output_simple_chars(config,list, |
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new->justify_hor==psiconv_justify_left?"left": |
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new->justify_hor==psiconv_justify_centre?"center": |
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new->justify_hor==psiconv_justify_right?"right": |
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new->justify_hor==psiconv_justify_full?"justify": |
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"",enc); |
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output_simple_chars(config,list,";",enc); |
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} |
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if (!base || (new->linespacing != base->linespacing)) { |
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output_simple_chars(config,list,"line-height:",enc); |
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snprintf(tempstr,TEMPSTR_LEN,"%f",new->linespacing); |
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output_simple_chars(config,list,tempstr,enc); |
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output_simple_chars(config,list,"pt;",enc); |
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} |
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if (!base || (new->space_above != base->space_above)) { |
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output_simple_chars(config,list,"padding-top:",enc); |
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snprintf(tempstr,TEMPSTR_LEN,"%f",new->space_above); |
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output_simple_chars(config,list,tempstr,enc); |
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output_simple_chars(config,list,"pt;",enc); |
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} |
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if (!base || (new->space_below != base->space_below)) { |
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output_simple_chars(config,list,"padding-bottom:",enc); |
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snprintf(tempstr,TEMPSTR_LEN,"%f",new->space_below); |
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output_simple_chars(config,list,tempstr,enc); |
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output_simple_chars(config,list,"pt;",enc); |
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} |
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} |
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void style(const psiconv_config config, psiconv_list list, |
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const psiconv_word_style style, |
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const psiconv_paragraph_layout base_para, |
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const psiconv_character_layout base_char, |
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const encoding enc) |
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{ |
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output_simple_chars(config,list,"p[class=\"style_",enc); |
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style_name(config,list,style->name,enc); |
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output_simple_chars(config,list,"\"] {",enc); |
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paragraph_layout_diffs(config,list,style->paragraph,base_para,enc); |
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character_layout_diffs(config,list,style->character,base_char,enc); |
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output_simple_chars(config,list,"}\n",enc); |
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} |
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void styles(const psiconv_config config, psiconv_list list, |
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const psiconv_word_styles_section styles_sec,const encoding enc) |
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{ |
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int i; |
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psiconv_word_style styl; |
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psiconv_character_layout base_char; |
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psiconv_paragraph_layout base_para; |
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if (!(base_char = psiconv_basic_character_layout())) { |
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fputs("Out of memory error\n",stderr); |
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exit(1); |
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} |
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if (!(base_para = psiconv_basic_paragraph_layout())) { |
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fputs("Out of memory error\n",stderr); |
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exit(1); |
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} |
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output_simple_chars(config,list,"<style type=\"text/css\">\n",enc); |
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/* output_simple_chars(config,list,"<![CDATA[\n",enc); */ |
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output_simple_chars(config,list,"body {",enc); |
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paragraph_layout_diffs(config,list,base_para,NULL,enc); |
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character_layout_diffs(config,list,base_char,NULL,enc); |
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output_simple_chars(config,list,"}\n",enc); |
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if (styles_sec) { |
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style(config,list,styles_sec->normal,base_para,base_char,enc); |
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for (i = 0; i < psiconv_list_length(styles_sec->styles); i++) { |
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if (!(styl = psiconv_list_get(styles_sec->styles,i))) { |
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fputs("Internal datastructure corruption\n",stderr); |
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exit(1); |
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} |
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style(config,list,styl,base_para,base_char,enc); |
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} |
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} |
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/* output_simple_chars(config,list,"]]>\n",enc); */ |
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output_simple_chars(config,list,"</style>\n",enc); |
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} |
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void header(const psiconv_config config, psiconv_list list, |
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const psiconv_word_styles_section styles_sec,const encoding enc) |
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{ |
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output_simple_chars(config,list, |
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n",enc); |
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output_simple_chars(config,list,"<!DOCTYPE html PUBLIC ",enc); |
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output_simple_chars(config,list, "\"-//W3C//DTD XHTML 1.0 Strict//EN\" ",enc); |
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output_simple_chars(config,list, |
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"\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">", |
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enc); |
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output_simple_chars(config,list,"\n<html",enc); |
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output_simple_chars(config,list, |
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" xmlns=\"http://www.w3.org/1999/xhtml\"",enc); |
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output_simple_chars(config,list,">\n",enc); |
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output_simple_chars(config,list,"<head>\n",enc); |
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output_simple_chars(config,list,"<meta http-equiv=\"Content-Type\" " |
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"content=\"text/html; charset=",enc); |
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output_simple_chars(config,list,enc==ENCODING_UTF8?"UTF-8": |
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enc==ENCODING_UCS2?"UTF-16BE": |
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enc==ENCODING_ASCII?"US-ASCII": |
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"",enc); |
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output_simple_chars(config,list,"\">\n",enc); |
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output_simple_chars(config,list,"<meta http-equiv=\"Content-Style-Type\" " |
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"content=\"text/css\">\n",enc); |
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output_simple_chars(config,list,"<title>EPOC32 file " |
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"converted by psiconv</title>\n",enc); |
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styles(config,list,styles_sec,enc); |
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output_simple_chars(config,list,"</head>\n",enc); |
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output_simple_chars(config,list,"<body>\n",enc); |
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} |
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void footer(const psiconv_config config, psiconv_list list, const encoding enc) |
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{ |
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output_simple_chars(config,list,"</body>\n",enc); |
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output_simple_chars(config,list,"</html>\n",enc); |
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} |
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void characters(const psiconv_config config, psiconv_list list, |
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const psiconv_string_t text, |
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const psiconv_character_layout layout, |
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const psiconv_character_layout base, |
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const encoding enc) |
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{ |
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psiconv_list templist; |
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if (!(templist = psiconv_list_new(sizeof(psiconv_u8)))) { |
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fputs("Out of memory error\n",stderr); |
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exit(1); |
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} |
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character_layout_diffs(config,templist,layout,base,enc); |
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if (psiconv_list_length(templist)) { |
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output_simple_chars(config,list,"<span style=\"",enc); |
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if (psiconv_list_concat(list,templist)) { |
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fputs("Out of memory error\n",stderr); |
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exit(1); |
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} |
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output_simple_chars(config,list,"\">",enc); |
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} |
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output_string(config,list,text,enc); |
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if (psiconv_list_length(templist)) { |
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output_simple_chars(config,list,"</span>",enc); |
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} |
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psiconv_list_free(templist); |
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} |
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void paragraph(const psiconv_config config, psiconv_list list, |
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const psiconv_paragraph para, |
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const psiconv_word_styles_section styles_sec, |
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const encoding enc) |
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{ |
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int i,charnr; |
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psiconv_string_t text; |
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psiconv_in_line_layout layout; |
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psiconv_word_style style = NULL; |
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psiconv_paragraph_layout base_para; |
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psiconv_character_layout base_char; |
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psiconv_list templist; |
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if (!(templist = psiconv_list_new(sizeof(psiconv_u8)))) { |
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fputs("Out of memory error\n",stderr); |
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exit(1); |
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} |
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if (styles_sec) { |
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if (!(style = psiconv_get_style(styles_sec,para->base_style))) { |
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fputs("Unknown style found; data corrupt\n",stderr); |
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exit(1); |
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} |
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base_para = style->paragraph; |
351 |
|
|
base_char = style->character; |
352 |
|
|
} else { |
353 |
|
|
base_para = psiconv_basic_paragraph_layout(); |
354 |
|
|
base_char = psiconv_basic_character_layout(); |
355 |
|
|
if (!base_para || !base_char) { |
356 |
|
|
fputs("Out of memory error\n",stderr); |
357 |
|
|
exit(1); |
358 |
|
|
} |
359 |
|
|
} |
360 |
|
|
|
361 |
|
|
output_simple_chars(config,list,"<p ",enc); |
362 |
|
|
|
363 |
|
|
if (styles_sec) { |
364 |
|
|
output_simple_chars(config,list,"class=\"style_",enc); |
365 |
|
|
style_name(config,list,style->name,enc); |
366 |
|
|
output_simple_chars(config,list,"\" ",enc); |
367 |
|
|
} |
368 |
|
|
|
369 |
|
|
paragraph_layout_diffs(config,templist,para->base_paragraph,base_para,enc); |
370 |
|
|
character_layout_diffs(config,templist,para->base_character,base_char,enc); |
371 |
|
|
|
372 |
|
|
if (psiconv_list_length(templist)) { |
373 |
|
|
output_simple_chars(config,list,"style=\"",enc); |
374 |
|
|
if (psiconv_list_concat(list,templist)) { |
375 |
|
|
fputs("Out of memory error\n",stderr); |
376 |
|
|
exit(1); |
377 |
|
|
} |
378 |
|
|
output_simple_chars(config,list,"\"",enc); |
379 |
|
|
} |
380 |
|
|
output_simple_chars(config,list,">",enc); |
381 |
|
|
|
382 |
|
|
if (psiconv_list_length(para->in_lines) == 0) { |
383 |
|
|
characters(config,list,para->text,para->base_character, |
384 |
|
|
para->base_character,enc); |
385 |
|
|
} else { |
386 |
|
|
charnr = 0; |
387 |
|
|
for (i = 0; i < psiconv_list_length(para->in_lines); i++) { |
388 |
|
|
if (!(layout = psiconv_list_get(para->in_lines,i))) { |
389 |
|
|
fputs("Internal data structures corruption\n",stderr); |
390 |
|
|
exit(1); |
391 |
|
|
} |
392 |
|
|
if (!(text = malloc(sizeof (*text) * (layout->length + 1)))) { |
393 |
|
|
fputs("Out of memory error\n",stderr); |
394 |
|
|
exit(1); |
395 |
|
|
} |
396 |
|
|
memcpy(text,para->text+charnr,layout->length * sizeof(*text)); |
397 |
|
|
text[layout->length] = 0; |
398 |
|
|
characters(config,list,text,layout->layout,para->base_character,enc); |
399 |
|
|
free(text); |
400 |
|
|
charnr += layout->length; |
401 |
|
|
} |
402 |
|
|
} |
403 |
|
|
output_simple_chars(config,list,"</p>\n",enc); |
404 |
|
|
if (!styles_sec) { |
405 |
|
|
psiconv_free_paragraph_layout(base_para); |
406 |
|
|
psiconv_free_character_layout(base_char); |
407 |
|
|
} |
408 |
|
|
psiconv_list_free(templist); |
409 |
|
|
} |
410 |
|
|
|
411 |
|
|
void paragraphs(const psiconv_config config, psiconv_list list, |
412 |
|
|
psiconv_text_and_layout paragraphs, |
413 |
|
|
const psiconv_word_styles_section styles, |
414 |
|
|
const encoding enc) |
415 |
|
|
{ |
416 |
|
|
int i; |
417 |
|
|
psiconv_paragraph para; |
418 |
|
|
for (i = 0; i < psiconv_list_length(paragraphs); i++) { |
419 |
|
|
if (!(para = psiconv_list_get(paragraphs,i))) { |
420 |
|
|
fputs("Internal datastructure corruption\n",stderr); |
421 |
|
|
exit(1); |
422 |
|
|
} |
423 |
|
|
paragraph(config,list,para,styles,enc); |
424 |
|
|
} |
425 |
|
|
} |
426 |
|
|
|
427 |
|
|
void gen_html_word(const psiconv_config config, psiconv_list list, |
428 |
|
|
const psiconv_word_f file, const encoding enc) |
429 |
|
|
{ |
430 |
|
|
if (!file) |
431 |
|
|
return; |
432 |
|
|
|
433 |
|
|
header(config,list,file->styles_sec,enc); |
434 |
|
|
paragraphs(config,list,file->paragraphs,file->styles_sec,enc); |
435 |
|
|
footer(config,list,enc); |
436 |
|
|
} |
437 |
|
|
|
438 |
|
|
|
439 |
|
|
void gen_html_texted(const psiconv_config config, psiconv_list list, |
440 |
|
|
const psiconv_texted_f file, const encoding enc) |
441 |
|
|
{ |
442 |
|
|
header(config,list,NULL,enc); |
443 |
|
|
paragraphs(config,list,file->texted_sec->paragraphs,NULL,enc); |
444 |
|
|
footer(config,list,enc); |
445 |
|
|
} |
446 |
|
|
|
447 |
|
|
int gen_html(const psiconv_config config, psiconv_list list, |
448 |
|
|
const psiconv_file file, const char *dest, |
449 |
|
|
const encoding enc) |
450 |
|
|
{ |
451 |
|
|
if (enc == ENCODING_PSION) { |
452 |
|
|
fputs("Unsupported encoding\n",stderr); |
453 |
|
|
return -1; |
454 |
|
|
} |
455 |
|
|
|
456 |
|
|
if (file->type == psiconv_word_file) { |
457 |
|
|
gen_html_word(config,list,(psiconv_word_f) file->file,enc); |
458 |
|
|
return 0; |
459 |
|
|
} else if (file->type == psiconv_texted_file) { |
460 |
|
|
gen_html_texted(config,list,(psiconv_texted_f) file->file,enc); |
461 |
|
|
return 0; |
462 |
|
|
} else |
463 |
|
|
return -1; |
464 |
|
|
} |
465 |
|
|
|
466 |
|
|
|
467 |
|
|
static struct fileformat_s ffs[] = |
468 |
|
|
{ |
469 |
|
|
{ |
470 |
|
|
"XHTML", |
471 |
|
|
"XHTML 1.0 Strict, using CSS for formatting", |
472 |
|
|
gen_html |
473 |
|
|
}, |
474 |
|
|
{ |
475 |
|
|
NULL, |
476 |
|
|
NULL, |
477 |
|
|
NULL |
478 |
|
|
} |
479 |
|
|
}; |
480 |
|
|
|
481 |
|
|
|
482 |
|
|
void init_html(void) |
483 |
|
|
{ |
484 |
|
|
int i; |
485 |
|
|
for (i = 0; ffs[i].name; i++) |
486 |
|
|
psiconv_list_add(fileformat_list,ffs+i); |
487 |
|
|
} |