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frodo |
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/* |
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* gen_html4.c - Part of psiconv, a PSION 5 data formats converter |
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* Copyright (c) 1999 Andrew Johnson <anjohnson@iee.org> |
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* Portions Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl> |
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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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#include "config.h" |
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#include <stdio.h> |
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#include <string.h> |
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#include <ctype.h> |
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#include <stdlib.h> |
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#include "data.h" |
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#include "list.h" |
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#include "gen.h" |
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#ifndef TRUE |
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#define TRUE (0==0) |
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#endif |
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/* |
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* Various string tables for HTML4 settings |
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*/ |
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/* How to display each character */ |
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static const char *char_table[0x100] = { |
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/* 0x00 */ "", "", "", "", "", "", "<BR>\n", "<BR>\n", |
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/* 0x08 */ "\n<HR>\n", "\t", "", "", "", "", "", "", |
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/* 0x10 */ " ", "", "", "", "", "", "", "", |
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/* 0x18 */ "", "", "", "", "", "", "", "", |
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/* 0x20 */ " ", "!", """, "#", "$", "%", "&", "'", |
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/* 0x28 */ "(", ")", "*", "+", ",", "-", ".", "/", |
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/* 0x30 */ "0", "1", "2", "3", "4", "5", "6", "7", |
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/* 0x38 */ "8", "9", ":", ";", "<", "=", ">", "?", |
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/* 0x40 */ "@", "A", "B", "C", "D", "E", "F", "G", |
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/* 0x48 */ "H", "I", "J", "K", "L", "M", "N", "O", |
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/* 0x50 */ "P", "Q", "R", "S", "T", "U", "V", "W", |
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/* 0x58 */ "X", "Y", "Z", "[", "\\", "]", "^", "_", |
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/* 0x60 */ "`", "a", "b", "c", "d", "e", "f", "g", |
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/* 0x68 */ "h", "i", "j", "k", "l", "m", "n", "o", |
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/* 0x70 */ "p", "q", "r", "s", "t", "u", "v", "w", |
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/* 0x78 */ "x", "y", "z", "{", "|", "}", "~", "", |
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/* 0x80 */ "", "", "‚", "ƒ", |
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"„", "…", "†", "‡", |
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/* 0x88 */ "ˆ", "‰", "Š", "<", |
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"Œ", "", "", "", |
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/* 0x90 */ "", "‘", "’", "“", |
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"”","•", "–", "—", |
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/* 0x98 */ "˜", "™", "š", ">", |
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"œ", "", "", "Ÿ", |
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/* 0xa0 */ " ", "¡", "¢", "£", |
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"¤", "¥", "¦", "§", |
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/* 0xa8 */ "¨", "©", "ª", "«", |
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"¬", "­", "®", "¯", |
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/* 0xb0 */ "°", "±", "²", "³", |
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"´", "µ", "¶", "·", |
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/* 0xb8 */ "¸", "¹", "º", "»", |
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"¼", "½", "¾", "¿", |
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/* 0xc0 */ "À", "Á", "Â", "Ã", |
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"Ä", "Å", "Æ", "Ç", |
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/* 0xc8 */ "È", "É", "Ê", "Ë", |
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"Ì", "Í", "Î", "Ï", |
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/* 0xd0 */ "Ð", "Ñ", "Ò", "Ó", |
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"Ô", "Õ", "Ö", "×", |
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/* 0xd8 */ "Ø", "Ù", "Ú", "Û", |
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"Ü", "Ý", "Þ", "ß", |
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/* 0xe0 */ "à", "á", "â", "ã", |
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"ä", "å", "æ", "ç", |
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/* 0xe8 */ "è", "é", "ê", "ë", |
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"ì", "í", "î", "ï", |
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/* 0xf0 */ "ð", "ñ", "ò", "ó", |
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"ô", "õ", "ö", "÷", |
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/* 0xf8 */ "ø", "ù", "ú", "û", |
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"ü", "ý", "þ", "ÿ" |
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}; |
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/* The order of these must match the enum psiconv_border_kind (data.h) */ |
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static const char *border_strings[] = { |
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"none", "solid", "double", "dotted", "dashed", "dashed", "dotted" |
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}; |
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/* The order of these must match the enum psiconv_justify (data.h) */ |
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static const char *justify_strings[] = { |
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"left", "center", "right", "justify" |
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}; |
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/* The order of these must match the enum psiconv_super_sub (data.h) */ |
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static const char *vertical_strings[] = { |
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"baseline", "super", "sub" |
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}; |
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/* |
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* Support routines for particular formatting structures |
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*/ |
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static void fput_name(FILE * of, const char *string) { |
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int i; |
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for (i = 0; i < strlen(string); i++) |
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if (isalnum(string[i])) |
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putc(string[i], of); |
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} |
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static void fput_text(FILE * of, const char *text, int length, int *pwasspace) { |
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int j; |
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int space; |
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for (j = 0; j < length; j++) { |
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space = (text[j] == ' '); |
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if (*pwasspace && space) |
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fputs(" ", of); |
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else |
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fputs(char_table[(unsigned char) (text[j])], of); |
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*pwasspace = space; |
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} |
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} |
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static const char *screenfont_name(psiconv_u8 screenfont) |
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{ |
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if (screenfont == 1) |
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return "sans-serif"; |
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else if (screenfont == 2) |
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return "monospace"; |
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else if (screenfont == 3) |
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return "serif"; |
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else |
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return "serif"; |
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} |
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static const char *generic_font_family(const char *font_name) { |
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static const char *sans_font_names[] = { |
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"Arial", "Univers", "Sans Serif" |
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}; |
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static const char *mono_font_names[] = { |
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"Courier New", "Courier", "Mono", "Lineprinter", "Elite", "Swiss", |
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"Courier (compressed)", "Courier (expanded)", "Letter Gothic" |
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}; |
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int i; |
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for (i=0; i < sizeof(sans_font_names) / sizeof(sans_font_names[0]); i++) |
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if (!strcmp(font_name, sans_font_names[i])) |
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return "sans-serif"; |
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for (i=0; i < sizeof(mono_font_names) / sizeof(mono_font_names[0]); i++) |
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if (!strcmp(font_name, mono_font_names[i])) |
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return "monospace"; |
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return "serif"; |
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} |
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static int colors_different( |
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const psiconv_color old, |
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const psiconv_color new) |
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{ |
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return ((old->red != new->red) || |
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(old->green != new->green) || |
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(old->blue != new->blue)); |
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} |
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/* Borders */ |
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static int borders_different( |
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const psiconv_border old, |
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const psiconv_border new) |
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{ |
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return (!old || |
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(old->kind != new->kind) || |
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colors_different(old->color, new->color) || |
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(old->thickness != new->thickness)); |
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} |
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static void fput_border(FILE * of, |
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const char *which, |
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const psiconv_border old, |
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const psiconv_border new) |
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{ |
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/* If the border changed at all we'll set all parameters, as they're |
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* fairly closely linked and it's much easier to do it this way */ |
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if (borders_different(old, new)) { |
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fprintf(of, "border-%s-style:%s;", |
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which, border_strings[new->kind]); |
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if ((new->kind != psiconv_border_none) && |
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(new->color->red || new->color->green || new->color->blue)) |
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fprintf(of, "border-%s-color:#%02x%02x%02x;", which, |
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new->color->red, new->color->green, new->color->blue); |
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if ((new->kind == psiconv_border_solid) || |
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(new->kind == psiconv_border_double)) |
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fprintf(of, "border-%s-width:%.0fpx;", |
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which, (new->thickness / 10.0) - 1); |
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else if (new->kind != psiconv_border_none) |
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fprintf(of, "border-%s-width:1px;", which); |
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} |
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} |
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/* Paragraph formats */ |
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static int paragraph_layouts_different( |
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const psiconv_paragraph_layout old, |
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const psiconv_paragraph_layout new) |
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{ |
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return ((old->top_space != new->top_space) || |
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(old->indent_right != new->indent_right) || |
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(old->bottom_space != new->bottom_space) || |
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(old->indent_left != new->indent_left) || |
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(old->indent_first != new->indent_first) || |
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(old->justify_hor != new->justify_hor) || |
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(old->interline_exact != new->interline_exact) || |
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borders_different(old->left_border, new->left_border) || |
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borders_different(old->right_border, new->right_border) || |
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borders_different(old->top_border, new->top_border) || |
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borders_different(old->bottom_border, new->bottom_border)); |
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} |
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static void fput_paragraph_layout(FILE * of, |
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const psiconv_paragraph_layout old, |
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const psiconv_paragraph_layout new) |
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{ |
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if (!old || (old->top_space != new->top_space)) |
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fprintf(of, "margin-top:%.1fpt;", new->top_space); |
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if (!old || (old->indent_right != new->indent_right)) |
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fprintf(of, "margin-right:%.2fcm;", new->indent_right); |
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if (!old || (old->bottom_space != new->bottom_space)) |
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fprintf(of, "margin-bottom:%.1fpt;", new->bottom_space); |
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if (!old || |
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(old->bullet->on != new->bullet->on) || |
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(old->bullet->indent != new->bullet->indent) || |
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(old->indent_left != new->indent_left) || |
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(old->indent_first != new->indent_first)) { |
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psiconv_length_t indent = new->indent_first; |
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psiconv_length_t margin = new->indent_left; |
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/* Bullets with indent set cause strange margin behaviour: */ |
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if (new->bullet->on && new->bullet->indent) { |
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if (indent > 0.0) { |
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margin += indent; |
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indent = new->indent_left - indent; |
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} |
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} |
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fprintf(of, "margin-left:%.2fcm;", margin); |
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fprintf(of, "text-indent:%.2fcm;", indent); |
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} |
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if (!old || (old->justify_hor != new->justify_hor)) |
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fprintf(of, "text-align:%s;", justify_strings[new->justify_hor]); |
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if (!old || (old->interline_exact != new->interline_exact)) { |
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if (!old || old->interline_exact) |
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fputs("line-height:normal;", of); |
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else |
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fprintf(of, "line-height:%.1fpt;", new->interline); |
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} |
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fput_border(of, "left", old ? old->left_border : NULL, |
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new->left_border); |
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fput_border(of, "right", old ? old->right_border : NULL, |
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new->right_border); |
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fput_border(of, "top", old ? old->top_border : NULL, |
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new->top_border); |
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fput_border(of, "bottom", old ? old->bottom_border : NULL, |
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new->bottom_border); |
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} |
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/* Character formats */ |
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static int character_layouts_different( |
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const psiconv_character_layout old, |
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const psiconv_character_layout new) |
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{ |
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return ((old->font->screenfont != new->font->screenfont) || |
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(strcmp(old->font->name,new->font->name)) || |
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(old->font_size != new->font_size) || |
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(old->color->red != new->color->red) || |
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(old->color->green != new->color->green) || |
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(old->color->blue != new->color->blue) || |
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(old->back_color->red != new->back_color->red) || |
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(old->back_color->green != new->back_color->green) || |
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(old->back_color->blue != new->back_color->blue) || |
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(old->italic != new->italic) || |
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(old->bold != new->bold) || |
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(old->super_sub != new->super_sub) || |
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(old->underline != new->underline) || |
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(old->strike_out != new->strike_out)); |
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} |
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static void fput_character_layout(FILE * of, |
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const psiconv_character_layout old, |
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const psiconv_character_layout new, |
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psiconv_word_f wf) |
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{ |
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if (!old || (old->font->screenfont != new->font->screenfont) || |
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strcmp(old->font->name,new->font->name)) { |
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fprintf(of, "font-family:%s,%s,%s;", new->font->name, |
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generic_font_family(new->font->name), |
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screenfont_name(new->font->screenfont)); |
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} |
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if (!old || (old->font_size != new->font_size)) |
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fprintf(of, "font-size:%.1f%%;", 100.0 * new->font_size / 10.0); |
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if (!old || (old->bold != new->bold)) |
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fprintf(of, "font-weight:%s;", new->bold ? "bold" : "normal"); |
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if (!old || (old->italic != new->italic)) |
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fprintf(of, "font-style:%s;", new->italic ? "italic" : "normal"); |
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if (!old || (colors_different(old->color, new->color))) |
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fprintf(of, "color:#%02x%02x%02x;", |
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new->color->red, new->color->green, new->color->blue); |
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if (!old || (colors_different(old->back_color, new->back_color))) |
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fprintf(of, "background-color:#%02x%02x%02x;", |
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new->back_color->red, new->back_color->green, new->back_color->blue); |
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if (!old || (old->super_sub != new->super_sub)) |
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fprintf(of, "vertical-align:%s;", vertical_strings[new->super_sub]); |
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if (!old || (old->underline != new->underline) || |
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(old->strike_out != new->strike_out)) { |
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fputs("text-decoration:", of); |
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if (new->strike_out) |
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fputs("line-through ", of); |
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if (new->underline) |
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fputs("underline", of); |
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else if (!new->strike_out) |
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fputs("none", of); |
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fputs(";", of); |
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} |
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} |
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/* Formatted paragraphs */ |
333 |
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static void fput_para(FILE * of, |
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const psiconv_paragraph para, |
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psiconv_word_f wf) |
336 |
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{ |
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psiconv_paragraph_layout base_para = para->base_paragraph; |
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psiconv_character_layout base_char = para->base_character; |
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psiconv_character_layout cur_char; |
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psiconv_character_layout *layout_stack; |
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psiconv_in_line_layout inl; |
342 |
|
|
psiconv_word_style sty; |
343 |
|
|
int spans = 0; |
344 |
|
|
int wasspace = 0; |
345 |
|
|
int i, j, loc; |
346 |
|
|
|
347 |
|
|
layout_stack = calloc(psiconv_list_length(para->in_lines), |
348 |
|
|
sizeof(*layout_stack)); |
349 |
|
|
fputs("<P", of); |
350 |
|
|
sty = psiconv_get_style(wf->styles_sec, para->base_style); |
351 |
|
|
cur_char = sty->character; |
352 |
|
|
|
353 |
|
|
if (sty->name) { |
354 |
|
|
fputs(" CLASS=\"", of); |
355 |
|
|
fput_name(of, sty->name); |
356 |
|
|
putc('"', of); |
357 |
|
|
} |
358 |
|
|
|
359 |
|
|
if (paragraph_layouts_different(sty->paragraph, base_para) || |
360 |
|
|
character_layouts_different(cur_char, base_char)) { |
361 |
|
|
fputs(" STYLE=\"", of); |
362 |
|
|
fput_paragraph_layout(of, sty->paragraph, base_para); |
363 |
|
|
fput_character_layout(of, cur_char, base_char, wf); |
364 |
|
|
cur_char = base_char; |
365 |
|
|
putc('"', of); |
366 |
|
|
} |
367 |
|
|
putc('>', of); |
368 |
|
|
|
369 |
|
|
if (base_para->bullet->on) { |
370 |
|
|
fputs("<SPAN STYLE=\"", of); |
371 |
|
|
if (base_para->bullet->font != base_char->font) { |
372 |
|
|
fprintf(of, "font-family:%s,%s,%s;", |
373 |
|
|
base_para->bullet->font->name, |
374 |
|
|
generic_font_family(base_para->bullet->font->name), |
375 |
|
|
screenfont_name(base_para->bullet->font->screenfont)); |
376 |
|
|
} |
377 |
|
|
if (base_para->bullet->font_size != base_char->font_size) |
378 |
|
|
fprintf(of, "font-size:%.1f%%;", |
379 |
|
|
100.0 * base_para->bullet->font_size / 10.0); |
380 |
|
|
if ((base_para->bullet->color->red != base_char->color->red) || |
381 |
|
|
(base_para->bullet->color->green != base_char->color->green) || |
382 |
|
|
(base_para->bullet->color->blue != base_char->color->blue)) |
383 |
|
|
fprintf(of, "color:#%02x%02x%02x;", |
384 |
|
|
base_para->bullet->color->red, |
385 |
|
|
base_para->bullet->color->green, |
386 |
|
|
base_para->bullet->color->blue); |
387 |
|
|
fprintf(of, "\">%s </SPAN>", |
388 |
|
|
char_table[base_para->bullet->character]); |
389 |
|
|
wasspace = TRUE; |
390 |
|
|
} |
391 |
|
|
|
392 |
|
|
loc = 0; |
393 |
|
|
for (i = 0; i < psiconv_list_length(para->in_lines); i++) { |
394 |
|
|
inl = psiconv_list_get(para->in_lines, i); |
395 |
|
|
if (character_layouts_different(cur_char, inl->layout)) { |
396 |
|
|
for (j = 0; j < spans; j++) |
397 |
|
|
if (!character_layouts_different(inl->layout, layout_stack[j])) |
398 |
|
|
break; |
399 |
|
|
if (j < spans) { |
400 |
|
|
while (spans > j) { |
401 |
|
|
fputs("</SPAN>",of); |
402 |
|
|
spans--; |
403 |
|
|
} |
404 |
|
|
} else { |
405 |
|
|
fputs("<SPAN STYLE=\"", of); |
406 |
|
|
fput_character_layout(of, cur_char, inl->layout, wf); |
407 |
|
|
fputs("\">",of); |
408 |
|
|
layout_stack[spans++] = cur_char; |
409 |
|
|
} |
410 |
|
|
cur_char = inl->layout; |
411 |
|
|
} |
412 |
|
|
fput_text(of, ¶->text[loc], inl->length, &wasspace); |
413 |
|
|
loc += inl->length; |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
while (spans > 0) { |
417 |
|
|
fputs("</SPAN>",of); |
418 |
|
|
spans--; |
419 |
|
|
} |
420 |
|
|
|
421 |
|
|
if (loc < strlen(para->text)) { |
422 |
|
|
fput_text(of, ¶->text[loc], strlen(para->text) - loc, &wasspace); |
423 |
|
|
} |
424 |
|
|
|
425 |
|
|
if (strlen(para->text) == 0) |
426 |
|
|
fputs(" ", of); |
427 |
|
|
|
428 |
|
|
fputs("</P>\n", of); |
429 |
|
|
free(layout_stack); |
430 |
|
|
} |
431 |
|
|
|
432 |
|
|
static void fput_style(FILE * of, |
433 |
|
|
const psiconv_word_style normal, |
434 |
|
|
const psiconv_word_style sty, |
435 |
|
|
psiconv_word_f wf) |
436 |
|
|
{ |
437 |
|
|
if (sty->name == NULL) |
438 |
|
|
fputs(" P {", of); |
439 |
|
|
else { |
440 |
|
|
fputs(" P.", of); |
441 |
|
|
fput_name(of, sty->name); |
442 |
|
|
fputs(" {", of); |
443 |
|
|
} |
444 |
|
|
fput_paragraph_layout(of, normal ? normal->paragraph : NULL, sty->paragraph); |
445 |
|
|
fput_character_layout(of, normal ? normal->character : NULL, sty->character, wf); |
446 |
|
|
fputs("}\n", of); |
447 |
|
|
} |
448 |
|
|
|
449 |
|
|
void psiconv_gen_html4(FILE * of, psiconv_file file) |
450 |
|
|
{ |
451 |
|
|
int i; |
452 |
|
|
psiconv_paragraph para; |
453 |
|
|
psiconv_word_style normal, sty; |
454 |
|
|
psiconv_word_f wf; |
455 |
|
|
|
456 |
|
|
if (file->type == psiconv_word_file) |
457 |
|
|
wf = file->file; |
458 |
|
|
else { |
459 |
|
|
/* Fall back on the normal HTML generator */ |
460 |
|
|
psiconv_gen_html(of,file); |
461 |
|
|
return; |
462 |
|
|
} |
463 |
|
|
|
464 |
|
|
fputs("<!doctype html public \"-//W3C//DTD HTML 4.0 STRICT//EN\">", of); |
465 |
|
|
fputs("\n<HTML>\n<HEAD>\n <META NAME=\"GENERATOR\"", of); |
466 |
|
|
fputs(" CONTENT=\"psiconv-" VERSION "\">\n", of); |
467 |
|
|
|
468 |
|
|
if (psiconv_list_length(wf->page_sec->header->text->paragraphs) > 0) { |
469 |
|
|
fputs(" <TITLE>", of); |
470 |
|
|
para = psiconv_list_get(wf->page_sec->header->text->paragraphs, 0); |
471 |
|
|
i = 0; |
472 |
|
|
fput_text(of, para->text, strlen(para->text), &i); |
473 |
|
|
fputs("</TITLE>\n", of); |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
normal = wf->styles_sec->normal; |
477 |
|
|
fputs(" <STYLE TYPE=\"text/css\"><!--\n", of); |
478 |
|
|
fprintf(of," BODY { background-color: #%02x%02x%02x }\n", |
479 |
|
|
normal->paragraph->back_color->red, |
480 |
|
|
normal->paragraph->back_color->green, |
481 |
|
|
normal->paragraph->back_color->blue); |
482 |
|
|
fput_style(of, NULL, normal, wf); |
483 |
|
|
for (i = 0; i < psiconv_list_length(wf->styles_sec->styles); i++) { |
484 |
|
|
sty = psiconv_list_get(wf->styles_sec->styles, i); |
485 |
|
|
fput_style(of, normal, sty, wf); |
486 |
|
|
} |
487 |
|
|
fputs(" --></STYLE>\n</HEAD>\n<BODY>\n", of); |
488 |
|
|
for (i = 0; i < psiconv_list_length(wf->paragraphs); i++) { |
489 |
|
|
para = psiconv_list_get(wf->paragraphs, i); |
490 |
|
|
fput_para(of, para, wf); |
491 |
|
|
} |
492 |
|
|
fputs("</BODY>\n</HTML>\n", of); |
493 |
|
|
} |
494 |
|
|
|