plugins/export.c

   1 /*
   2  *      export.c - this file is part of Geany, a fast and lightweight IDE
   3  *
   4  *      Copyright 2007-2010 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>
   5  *      Copyright 2007-2010 Nick Treleaven <nick(dot)treleaven(at)btinternet(dot)com>
   6  *
   7  *      This program is free software; you can redistribute it and/or modify
   8  *      it under the terms of the GNU General Public License as published by
   9  *      the Free Software Foundation; either version 2 of the License, or
  10  *      (at your option) any later version.
  11  *
  12  *      This program is distributed in the hope that it will be useful,
  13  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *      GNU General Public License for more details.
  16  *
  17  *      You should have received a copy of the GNU General Public License
  18  *      along with this program; if not, write to the Free Software
  19  *      Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  20  *      MA 02110-1301, USA.
  21  *
  22  * $Id$
  23  */
  24
  25 /* Export plugin. */
  26
  27 #include <ctype.h>
  28 #include <math.h>
  29
  30 #include "geanyplugin.h"
  31
  32
  33 GeanyData               *geany_data;
  34 GeanyFunctions  *geany_functions;
  35
  36 PLUGIN_VERSION_CHECK(GEANY_API_VERSION)
  37 PLUGIN_SET_INFO(_("Export"), _("Exports the current file into different formats."), VERSION,
  38         _("The Geany developer team"))
  39
  40
  41 static GtkWidget *main_menu_item = NULL;
  42
  43
  44 #define ROTATE_RGB(color) \
  45         (((color) & 0xFF0000) >> 16) + ((color) & 0x00FF00) + (((color) & 0x0000FF) << 16)
  46 #define TEMPLATE_HTML "\
  47 <!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Strict//EN\"\n\
  48   \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd\">\n\
  49 <html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n\
  50 \n\
  51 <head>\n\
  52         <title>{export_filename}</title>\n\
  53         <meta http-equiv=\"content-type\" content=\"text/html;charset=utf-8\" />\n\
  54         <meta name=\"generator\" content=\"Geany " VERSION "\" />\n\
  55         <meta name=\"date\" content=\"{export_date}\" />\n\
  56         <style type=\"text/css\">\n\
  57 {export_styles}\n\
  58         </style>\n\
  59 </head>\n\
  60 \n\
  61 <body>\n\
  62 <p>\n\
  63 {export_content}\n\
  64 </p>\n\
  65 </body>\n\
  66 </html>\n"
  67
  68 #define TEMPLATE_LATEX "\
  69 % {export_filename} (LaTeX code generated by Geany " VERSION " on {export_date})\n\
  70 \\documentclass[a4paper]{article}\n\
  71 \\usepackage[a4paper,margin=2cm]{geometry}\n\
  72 \\usepackage[utf8]{inputenc}\n\
  73 \\usepackage[T1]{fontenc}\n\
  74 \\usepackage{color}\n\
  75 \\setlength{\\parindent}{0em}\n\
  76 \\setlength{\\parskip}{2ex plus1ex minus0.5ex}\n\
  77 {export_styles}\n\
  78 \\begin{document}\
  79 \n\
  80 \\ttfamily\n\
  81 \\setlength{\\fboxrule}{0pt}\n\
  82 \\setlength{\\fboxsep}{0pt}\n\
  83 {export_content}\
  84 \\end{document}\n"
  85
  86
  87 enum
  88 {
  89         FORE = 0,
  90         BACK,
  91         BOLD,
  92         ITALIC,
  93         USED,
  94         MAX_TYPES
  95 };
  96
  97 enum
  98 {
  99         DATE_TYPE_DEFAULT,
 100         DATE_TYPE_HTML
 101 };
 102
 103 typedef void (*ExportFunc) (GeanyDocument *doc, const gchar *filename, gboolean use_zoom);
 104 typedef struct
 105 {
 106         GeanyDocument *doc;
 107         gboolean have_zoom_level_checkbox;
 108         ExportFunc export_func;
 109 } ExportInfo;
 110
 111 static void on_file_save_dialog_response(GtkDialog *dialog, gint response, gpointer user_data);
 112 static void write_html_file(GeanyDocument *doc, const gchar *filename, gboolean use_zoom);
 113 static void write_latex_file(GeanyDocument *doc, const gchar *filename, gboolean use_zoom);
 114
 115
 116 /* converts a RGB colour into a LaTeX compatible representation, taken from SciTE */
 117 static gchar* get_tex_rgb(gint rgb_colour)
 118 {
 119         /* texcolor[rgb]{0,0.5,0}{....} */
 120         gdouble rf = (rgb_colour % 256) / 256.0;
 121         gdouble gf = ((rgb_colour & - 16711936) / 256) / 256.0;
 122         gdouble bf = ((rgb_colour & 0xff0000) / 65536) / 256.0;
 123         gint r = (gint) (rf * 10 + 0.5);
 124         gint g = (gint) (gf * 10 + 0.5);
 125         gint b = (gint) (bf * 10 + 0.5);
 126
 127         return g_strdup_printf("%d.%d, %d.%d, %d.%d", r / 10, r % 10, g / 10, g % 10, b / 10, b % 10);
 128 }
 129
 130
 131 /* convert a style number (0..127) into a string representation (aa, ab, .., ba, bb, .., zy, zz) */
 132 static gchar *get_tex_style(gint style)
 133 {
 134         static gchar buf[4];
 135         int i = 0;
 136
 137         do
 138         {
 139                 buf[i] = (style % 26) + 'a';
 140                 style /= 26;
 141                 i++;
 142         } while (style > 0);
 143         buf[i] = '\0';
 144
 145         return buf;
 146 }
 147
 148
 149 static void create_file_save_as_dialog(const gchar *extension, ExportFunc func,
 150                                                                            gboolean show_zoom_level_checkbox)
 151 {
 152         GtkWidget *dialog;
 153         GeanyDocument *doc;
 154         ExportInfo *exi;
 155
 156         if (extension == NULL)
 157                 return;
 158
 159         doc = document_get_current();
 160
 161         exi = g_new(ExportInfo, 1);
 162         exi->doc = doc;
 163         exi->export_func = func;
 164         exi->have_zoom_level_checkbox = FALSE;
 165
 166         dialog = gtk_file_chooser_dialog_new(_("Export File"), GTK_WINDOW(geany->main_widgets->window),
 167                                 GTK_FILE_CHOOSER_ACTION_SAVE, NULL, NULL);
 168         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
 169         gtk_window_set_destroy_with_parent(GTK_WINDOW(dialog), TRUE);
 170         gtk_window_set_skip_taskbar_hint(GTK_WINDOW(dialog), TRUE);
 171         gtk_window_set_type_hint(GTK_WINDOW(dialog), GDK_WINDOW_TYPE_HINT_DIALOG);
 172         gtk_widget_set_name(dialog, "GeanyExportDialog");
 173
 174         gtk_dialog_add_buttons(GTK_DIALOG(dialog),
 175                 GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_SAVE, GTK_RESPONSE_ACCEPT, NULL);
 176         gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT);
 177
 178         if (show_zoom_level_checkbox)
 179         {
 180                 GtkWidget *vbox, *check_zoom_level;
 181
 182                 vbox = gtk_vbox_new(FALSE, 0);
 183                 check_zoom_level = gtk_check_button_new_with_mnemonic(_("_Use current zoom level"));
 184                 ui_widget_set_tooltip_text(check_zoom_level,
 185                         _("Renders the font size of the document together with the current zoom level"));
 186                 gtk_box_pack_start(GTK_BOX(vbox), check_zoom_level, FALSE, FALSE, 0);
 187                 gtk_widget_show_all(vbox);
 188                 gtk_file_chooser_set_extra_widget(GTK_FILE_CHOOSER(dialog), vbox);
 189
 190                 ui_hookup_widget(dialog, check_zoom_level, "check_zoom_level");
 191
 192                 exi->have_zoom_level_checkbox = TRUE;
 193         }
 194
 195         g_signal_connect(dialog, "delete-event", G_CALLBACK(gtk_widget_hide_on_delete), NULL);
 196         g_signal_connect(dialog, "response", G_CALLBACK(on_file_save_dialog_response), exi);
 197
 198         gtk_window_set_transient_for(GTK_WINDOW(dialog), GTK_WINDOW(geany->main_widgets->window));
 199
 200         /* if the current document has a filename we use it as the default. */
 201         gtk_file_chooser_unselect_all(GTK_FILE_CHOOSER(dialog));
 202         if (doc->file_name != NULL)
 203         {
 204                 gchar *base_name = g_path_get_basename(doc->file_name);
 205                 gchar *short_name = utils_remove_ext_from_filename(base_name);
 206                 gchar *file_name;
 207                 gchar *locale_filename;
 208                 gchar *locale_dirname;
 209                 const gchar *suffix = "";
 210
 211                 if (g_str_has_suffix(doc->file_name, extension))
 212                         suffix = "_export";
 213
 214                 file_name = g_strconcat(short_name, suffix, extension, NULL);
 215                 locale_filename = utils_get_locale_from_utf8(doc->file_name);
 216                 locale_dirname = g_path_get_dirname(locale_filename);
 217                 /* set the current name to base_name.html which probably doesn't exist yet so
 218                  * gtk_file_chooser_set_filename() can't be used and we need
 219                  * gtk_file_chooser_set_current_folder() additionally */
 220                 gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), locale_dirname);
 221                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), file_name);
 222                 g_free(locale_dirname);
 223                 g_free(locale_filename);
 224                 g_free(short_name);
 225                 g_free(file_name);
 226                 g_free(base_name);
 227         }
 228         else
 229         {
 230                 const gchar *default_open_path = geany->prefs->default_open_path;
 231                 gchar *fname = g_strconcat(GEANY_STRING_UNTITLED, extension, NULL);
 232
 233                 gtk_file_chooser_unselect_all(GTK_FILE_CHOOSER(dialog));
 234                 gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(dialog), fname);
 235
 236                 /* use default startup directory(if set) if no files are open */
 237                 if (NZV(default_open_path) && g_path_is_absolute(default_open_path))
 238                 {
 239                         gchar *locale_path = utils_get_locale_from_utf8(default_open_path);
 240                         gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), locale_path);
 241                         g_free(locale_path);
 242                 }
 243                 g_free(fname);
 244         }
 245         gtk_dialog_run(GTK_DIALOG(dialog));
 246 }
 247
 248
 249 static void on_menu_create_latex_activate(GtkMenuItem *menuitem, gpointer user_data)
 250 {
 251         create_file_save_as_dialog(".tex", write_latex_file, FALSE);
 252 }
 253
 254
 255 static void on_menu_create_html_activate(GtkMenuItem *menuitem, gpointer user_data)
 256 {
 257         create_file_save_as_dialog(".html", write_html_file, TRUE);
 258 }
 259
 260
 261 static void write_data(const gchar *filename, const gchar *data)
 262 {
 263         gint error_nr = utils_write_file(filename, data);
 264         gchar *utf8_filename = utils_get_utf8_from_locale(filename);
 265
 266         if (error_nr == 0)
 267                 ui_set_statusbar(TRUE, _("Document successfully exported as '%s'."), utf8_filename);
 268         else
 269                 ui_set_statusbar(TRUE, _("File '%s' could not be written (%s)."),
 270                         utf8_filename, g_strerror(error_nr));
 271
 272         g_free(utf8_filename);
 273 }
 274
 275
 276 static gchar *get_date(gint type)
 277 {
 278         const gchar *format;
 279
 280         if (type == DATE_TYPE_HTML)
 281 /* needs testing */
 282 #ifdef _GNU_SOURCE
 283                 format = "%Y-%m-%dT%H:%M:%S%z";
 284 #else
 285                 format = "%Y-%m-%dT%H:%M:%S";
 286 #endif
 287         else
 288                 format = "%c";
 289
 290         return utils_get_date_time(format, NULL);
 291 }
 292
 293
 294 static void on_file_save_dialog_response(GtkDialog *dialog, gint response, gpointer user_data)
 295 {
 296         ExportInfo *exi = user_data;
 297
 298         if (response == GTK_RESPONSE_ACCEPT && exi != NULL)
 299         {
 300                 gchar *new_filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog));
 301                 gchar *utf8_filename;
 302                 gboolean use_zoom_level = FALSE;
 303
 304                 if (exi->have_zoom_level_checkbox)
 305                 {
 306                         use_zoom_level = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(
 307                                 ui_lookup_widget(GTK_WIDGET(dialog), "check_zoom_level")));
 308                 }
 309
 310                 utf8_filename = utils_get_utf8_from_locale(new_filename);
 311
 312                 /* check if file exists and ask whether to overwrite or not */
 313                 if (g_file_test(new_filename, G_FILE_TEST_EXISTS))
 314                 {
 315                         if (dialogs_show_question(
 316                                 _("The file '%s' already exists. Do you want to overwrite it?"),
 317                                 utf8_filename) == FALSE)
 318                                 return;
 319                 }
 320
 321                 exi->export_func(exi->doc, new_filename, use_zoom_level);
 322
 323                 g_free(utf8_filename);
 324                 g_free(new_filename);
 325         }
 326         g_free(exi);
 327         gtk_widget_destroy(GTK_WIDGET(dialog));
 328 }
 329
 330
 331 static void write_latex_file(GeanyDocument *doc, const gchar *filename, gboolean use_zoom)
 332 {
 333         GeanyEditor *editor = doc->editor;
 334         gint i, doc_len, style = -1, old_style = 0, column = 0;
 335         gchar c, c_next, *tmp, *date;
 336         /* 0 - fore, 1 - back, 2 - bold, 3 - italic, 4 - font size, 5 - used(0/1) */
 337         gint styles[STYLE_MAX + 1][MAX_TYPES];
 338         gboolean block_open = FALSE;
 339         GString *body;
 340         GString *cmds;
 341         GString *latex;
 342         gint style_max = pow(2, scintilla_send_message(doc->editor->sci, SCI_GETSTYLEBITS, 0, 0));
 343
 344         /* first read all styles from Scintilla */
 345         for (i = 0; i < style_max; i++)
 346         {
 347                 styles[i][FORE] = scintilla_send_message(doc->editor->sci, SCI_STYLEGETFORE, i, 0);
 348                 styles[i][BACK] = scintilla_send_message(doc->editor->sci, SCI_STYLEGETBACK, i, 0);
 349                 styles[i][BOLD] = scintilla_send_message(doc->editor->sci, SCI_STYLEGETBOLD, i, 0);
 350                 styles[i][ITALIC] = scintilla_send_message(doc->editor->sci, SCI_STYLEGETITALIC, i, 0);
 351                 styles[i][USED] = 0;
 352         }
 353
 354         /* read the document and write the LaTeX code */
 355         body = g_string_new("");
 356         doc_len = sci_get_length(doc->editor->sci);
 357         for (i = 0; i < doc_len; i++)
 358         {
 359                 style = sci_get_style_at(doc->editor->sci, i);
 360                 c = sci_get_char_at(doc->editor->sci, i);
 361                 c_next = sci_get_char_at(doc->editor->sci, i + 1);
 362
 363                 if (style != old_style || ! block_open)
 364                 {
 365                         old_style = style;
 366                         styles[style][USED] = 1;
 367                         if (block_open)
 368                         {
 369                                 g_string_append(body, "}\n");
 370                                 block_open = FALSE;
 371                         }
 372                         g_string_append_printf(body, "\\style%s{", get_tex_style(style));
 373
 374                         block_open = TRUE;
 375                 }
 376                 /* escape the current character if necessary else just add it */
 377                 switch (c)
 378                 {
 379                         case '\r':
 380                         case '\n':
 381                         {
 382                                 if (c == '\r' && c_next == '\n')
 383                                         continue; /* when using CR/LF skip CR and add the line break with LF */
 384
 385                                 if (block_open)
 386                                 {
 387                                         g_string_append(body, "}");
 388                                         block_open = FALSE;
 389                                 }
 390                                 g_string_append(body, " \\\\\n");
 391                                 column = -1;
 392                                 break;
 393                         }
 394                         case '\t':
 395                         {
 396                                 gint tab_width = sci_get_tab_width(editor->sci);
 397                                 gint tab_stop = tab_width - (column % tab_width);
 398
 399                                 column += tab_stop - 1; /* -1 because we add 1 at the end of the loop */
 400                                 g_string_append_printf(body, "\\hspace*{%dem}", tab_stop);
 401                                 break;
 402                         }
 403                         case ' ':
 404                         {
 405                                 if (c_next == ' ')
 406                                 {
 407                                         g_string_append(body, "{\\hspace*{1em}}");
 408                                         i++; /* skip the next character */
 409                                 }
 410                                 else
 411                                         g_string_append_c(body, ' ');
 412                                 break;
 413                         }
 414                         case '{':
 415                         case '}':
 416                         case '_':
 417                         case '&':
 418                         case '$':
 419                         case '#':
 420                         case '%':
 421                         {
 422                                 g_string_append_printf(body, "\\%c", c);
 423                                 break;
 424                         }
 425                         case '\\':
 426                         {
 427                                 g_string_append(body, "\\symbol{92}");
 428                                 break;
 429                         }
 430                         case '~':
 431                         {
 432                                 g_string_append(body, "\\symbol{126}");
 433                                 break;
 434                         }
 435                         case '^':
 436                         {
 437                                 g_string_append(body, "\\symbol{94}");
 438                                 break;
 439                         }
 440                         /** TODO still don't work for "---" or "----" */
 441                         case '-':  /* mask "--" */
 442                         {
 443                                 if (c_next == '-')
 444                                 {
 445                                         g_string_append(body, "-\\/-");
 446                                         i++; /* skip the next character */
 447                                 }
 448                                 else
 449                                         g_string_append_c(body, '-');
 450
 451                                 break;
 452                         }
 453                         case '<':  /* mask "<<" */
 454                         {
 455                                 if (c_next == '<')
 456                                 {
 457                                         g_string_append(body, "<\\/<");
 458                                         i++; /* skip the next character */
 459                                 }
 460                                 else
 461                                         g_string_append_c(body, '<');
 462
 463                                 break;
 464                         }
 465                         case '>':  /* mask ">>" */
 466                         {
 467                                 if (c_next == '>')
 468                                 {
 469                                         g_string_append(body, ">\\/>");
 470                                         i++; /* skip the next character */
 471                                 }
 472                                 else
 473                                         g_string_append_c(body, '>');
 474
 475                                 break;
 476                         }
 477                         default: g_string_append_c(body, c);
 478                 }
 479                 column++;
 480         }
 481         if (block_open)
 482         {
 483                 g_string_append(body, "}\n");
 484                 block_open = FALSE;
 485         }
 486
 487         /* force writing of style 0 (used at least for line breaks) */
 488         styles[0][USED] = 1;
 489
 490         /* write used styles in the header */
 491         cmds = g_string_new("");
 492         for (i = 0; i <= STYLE_MAX; i++)
 493         {
 494                 if (styles[i][USED])
 495                 {
 496                         g_string_append_printf(cmds,
 497                                 "\\newcommand{\\style%s}[1]{\\noindent{", get_tex_style(i));
 498                         if (styles[i][BOLD])
 499                                 g_string_append(cmds, "\\textbf{");
 500                         if (styles[i][ITALIC])
 501                                 g_string_append(cmds, "\\textit{");
 502
 503                         tmp = get_tex_rgb(styles[i][FORE]);
 504                         g_string_append_printf(cmds, "\\textcolor[rgb]{%s}{", tmp);
 505                         g_free(tmp);
 506                         tmp = get_tex_rgb(styles[i][BACK]);
 507                         g_string_append_printf(cmds, "\\fcolorbox[rgb]{0, 0, 0}{%s}{", tmp);
 508                         g_string_append(cmds, "#1}}");
 509                         g_free(tmp);
 510
 511                         if (styles[i][BOLD])
 512                                 g_string_append_c(cmds, '}');
 513                         if (styles[i][ITALIC])
 514                                 g_string_append_c(cmds, '}');
 515                         g_string_append(cmds, "}}\n");
 516                 }
 517         }
 518
 519         date = get_date(DATE_TYPE_DEFAULT);
 520         /* write all */
 521         latex = g_string_new(TEMPLATE_LATEX);
 522         utils_string_replace_all(latex, "{export_content}", body->str);
 523         utils_string_replace_all(latex, "{export_styles}", cmds->str);
 524         utils_string_replace_all(latex, "{export_date}", date);
 525         if (doc->file_name == NULL)
 526                 utils_string_replace_all(latex, "{export_filename}", GEANY_STRING_UNTITLED);
 527         else
 528                 utils_string_replace_all(latex, "{export_filename}", doc->file_name);
 529
 530         write_data(filename, latex->str);
 531
 532         g_string_free(body, TRUE);
 533         g_string_free(cmds, TRUE);
 534         g_string_free(latex, TRUE);
 535         g_free(date);
 536 }
 537
 538
 539 static void write_html_file(GeanyDocument *doc, const gchar *filename, gboolean use_zoom)
 540 {
 541         GeanyEditor *editor = doc->editor;
 542         gint i, doc_len, style = -1, old_style = 0, column = 0;
 543         gchar c, c_next, *date;
 544         /* 0 - fore, 1 - back, 2 - bold, 3 - italic, 4 - font size, 5 - used(0/1) */
 545         gint styles[STYLE_MAX + 1][MAX_TYPES];
 546         gboolean span_open = FALSE;
 547         const gchar *font_name;
 548         gint font_size;
 549         PangoFontDescription *font_desc;
 550         GString *body;
 551         GString *css;
 552         GString *html;
 553         gint style_max = pow(2, scintilla_send_message(doc->editor->sci, SCI_GETSTYLEBITS, 0, 0));
 554
 555         /* first read all styles from Scintilla */
 556         for (i = 0; i < style_max; i++)
 557         {
 558                 styles[i][FORE] = ROTATE_RGB(scintilla_send_message(doc->editor->sci, SCI_STYLEGETFORE, i, 0));
 559                 styles[i][BACK] = ROTATE_RGB(scintilla_send_message(doc->editor->sci, SCI_STYLEGETBACK, i, 0));
 560                 styles[i][BOLD] = scintilla_send_message(doc->editor->sci, SCI_STYLEGETBOLD, i, 0);
 561                 styles[i][ITALIC] = scintilla_send_message(doc->editor->sci, SCI_STYLEGETITALIC, i, 0);
 562                 styles[i][USED] = 0;
 563         }
 564
 565         /* read Geany's font and font size */
 566         font_desc = pango_font_description_from_string(geany->interface_prefs->editor_font);
 567         font_name = pango_font_description_get_family(font_desc);
 568         /*font_size = pango_font_description_get_size(font_desc) / PANGO_SCALE;*/
 569         /* take the zoom level also into account */
 570         font_size = scintilla_send_message(doc->editor->sci, SCI_STYLEGETSIZE, 0, 0);
 571         if (use_zoom)
 572                 font_size += scintilla_send_message(doc->editor->sci, SCI_GETZOOM, 0, 0);
 573
 574         /* read the document and write the HTML body */
 575         body = g_string_new("");
 576         doc_len = sci_get_length(doc->editor->sci);
 577         for (i = 0; i < doc_len; i++)
 578         {
 579                 style = sci_get_style_at(doc->editor->sci, i);
 580                 c = sci_get_char_at(doc->editor->sci, i);
 581                 /* sci_get_char_at() takes care of index boundaries and return 0 if i is too high */
 582                 c_next = sci_get_char_at(doc->editor->sci, i + 1);
 583
 584                 if ((style != old_style || ! span_open) && ! isspace(c))
 585                 {
 586                         old_style = style;
 587                         styles[style][USED] = 1;
 588                         if (span_open)
 589                         {
 590                                 g_string_append(body, "</span>");
 591                         }
 592                         g_string_append_printf(body, "<span class=\"style_%d\">", style);
 593
 594                         span_open = TRUE;
 595                 }
 596                 /* escape the current character if necessary else just add it */
 597                 switch (c)
 598                 {
 599                         case '\r':
 600                         case '\n':
 601                         {
 602                                 if (c == '\r' && c_next == '\n')
 603                                         continue; /* when using CR/LF skip CR and add the line break with LF */
 604
 605                                 if (span_open)
 606                                 {
 607                                         g_string_append(body, "</span>");
 608                                         span_open = FALSE;
 609                                 }
 610                                 g_string_append(body, "<br />\n");
 611                                 column = -1;
 612                                 break;
 613                         }
 614                         case '\t':
 615                         {
 616                                 gint j;
 617                                 gint tab_width = sci_get_tab_width(editor->sci);
 618                                 gint tab_stop = tab_width - (column % tab_width);
 619
 620                                 column += tab_stop - 1; /* -1 because we add 1 at the end of the loop */
 621                                 for (j = 0; j < tab_stop; j++)
 622                                 {
 623                                         g_string_append(body, "&nbsp;");
 624                                 }
 625                                 break;
 626                         }
 627                         case ' ':
 628                         {
 629                                 g_string_append(body, "&nbsp;");
 630                                 break;
 631                         }
 632                         case '<':
 633                         {
 634                                 g_string_append(body, "&lt;");
 635                                 break;
 636                         }
 637                         case '>':
 638                         {
 639                                 g_string_append(body, "&gt;");
 640                                 break;
 641                         }
 642                         case '&':
 643                         {
 644                                 g_string_append(body, "&amp;");
 645                                 break;
 646                         }
 647                         default: g_string_append_c(body, c);
 648                 }
 649                 column++;
 650         }
 651         if (span_open)
 652         {
 653                 g_string_append(body, "</span>");
 654                 span_open = FALSE;
 655         }
 656
 657         /* write used styles in the header */
 658         css = g_string_new("");
 659         g_string_append_printf(css,
 660         "\tbody\n\t{\n\t\tfont-family: %s, monospace;\n\t\tfont-size: %dpt;\n\t}\n",
 661                                 font_name, font_size);
 662
 663         for (i = 0; i <= STYLE_MAX; i++)
 664         {
 665                 if (styles[i][USED])
 666                 {
 667                         g_string_append_printf(css,
 668         "\t.style_%d\n\t{\n\t\tcolor: #%06x;\n\t\tbackground-color: #%06x;\n%s%s\t}\n",
 669                                 i, styles[i][FORE], styles[i][BACK],
 670                                 (styles[i][BOLD]) ? "\t\tfont-weight: bold;\n" : "",
 671                                 (styles[i][ITALIC]) ? "\t\tfont-style: italic;\n" : "");
 672                 }
 673         }
 674
 675         date = get_date(DATE_TYPE_HTML);
 676         /* write all */
 677         html = g_string_new(TEMPLATE_HTML);
 678         utils_string_replace_all(html, "{export_date}", date);
 679         utils_string_replace_all(html, "{export_content}", body->str);
 680         utils_string_replace_all(html, "{export_styles}", css->str);
 681         if (doc->file_name == NULL)
 682                 utils_string_replace_all(html, "{export_filename}", GEANY_STRING_UNTITLED);
 683         else
 684                 utils_string_replace_all(html, "{export_filename}", doc->file_name);
 685
 686         write_data(filename, html->str);
 687
 688         pango_font_description_free(font_desc);
 689         g_string_free(body, TRUE);
 690         g_string_free(css, TRUE);
 691         g_string_free(html, TRUE);
 692         g_free(date);
 693 }
 694
 695
 696 void plugin_init(GeanyData *data)
 697 {
 698         GtkWidget *menu_export;
 699         GtkWidget *menu_export_menu;
 700         GtkWidget *menu_create_html;
 701         GtkWidget *menu_create_latex;
 702
 703         menu_export = gtk_image_menu_item_new_with_mnemonic(_("_Export"));
 704         gtk_container_add(GTK_CONTAINER(geany->main_widgets->tools_menu), menu_export);
 705
 706         menu_export_menu = gtk_menu_new ();
 707         gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_export), menu_export_menu);
 708
 709         /* HTML */
 710         menu_create_html = gtk_menu_item_new_with_mnemonic(_("As _HTML"));
 711         gtk_container_add(GTK_CONTAINER (menu_export_menu), menu_create_html);
 712
 713         g_signal_connect(menu_create_html, "activate", G_CALLBACK(on_menu_create_html_activate), NULL);
 714
 715         /* LaTeX */
 716         menu_create_latex = gtk_menu_item_new_with_mnemonic(_("As _LaTeX"));
 717         gtk_container_add(GTK_CONTAINER (menu_export_menu), menu_create_latex);
 718
 719         g_signal_connect(menu_create_latex, "activate",
 720                 G_CALLBACK(on_menu_create_latex_activate), NULL);
 721
 722         /* disable menu_item when there are no documents open */
 723         ui_add_document_sensitive(menu_export);
 724         main_menu_item = menu_export;
 725
 726         gtk_widget_show_all(menu_export);
 727 }
 728
 729
 730 void plugin_cleanup(void)
 731 {
 732         gtk_widget_destroy(main_menu_item);
 733 }