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author | Behdad Esfahbod <behdad@behdad.org> | 2015-04-04 18:46:20 -0700 |
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committer | Behdad Esfahbod <behdad@behdad.org> | 2015-04-04 18:48:43 -0700 |
commit | 137832fa931e875b900dedd1c8909b46d1f7e8ad (patch) | |
tree | a9086e8e1f7707a4cc92369491c28d392f827018 /modules/arabic/arabic-lang.c | |
parent | ef69cbb18b00d7e454cf881a8f58bdabad04ecef (diff) | |
download | pango-137832fa931e875b900dedd1c8909b46d1f7e8ad.tar.gz |
[modules] Move language modules in source tree and remove modules/
This should complete the kill-modules effort. What is left is leftover
removal and unbreaking stuff.
Bug 733882 - Kill Pango modules, engines, and config files
Diffstat (limited to 'modules/arabic/arabic-lang.c')
-rw-r--r-- | modules/arabic/arabic-lang.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/modules/arabic/arabic-lang.c b/modules/arabic/arabic-lang.c deleted file mode 100644 index ee23bad1..00000000 --- a/modules/arabic/arabic-lang.c +++ /dev/null @@ -1,152 +0,0 @@ -/* Pango - * arabic-lang.c: - * - * Copyright (C) 2006 Red Hat Software - * Copyright (C) 2006 Sharif FarsiWeb, Inc. - * Authors: Behdad Esfahbod <besfahbo@redhat.com> - * Roozbeh Pournader <roozbeh@farsiweb.info> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -#include "config.h" -#include <string.h> - -#include "pango-engine.h" -#include "pango-break.h" - -/* No extra fields needed */ -typedef PangoEngineLang ArabicEngineLang; -typedef PangoEngineLangClass ArabicEngineLangClass ; - -#define SCRIPT_ENGINE_NAME "ArabicScriptEngineLang" -#define RENDER_TYPE PANGO_RENDER_TYPE_NONE - -static PangoEngineScriptInfo arabic_scripts[] = { - { PANGO_SCRIPT_ARABIC, "*" }, -}; - -static PangoEngineInfo script_engines[] = { - { - SCRIPT_ENGINE_NAME, - PANGO_ENGINE_TYPE_LANG, - RENDER_TYPE, - arabic_scripts, G_N_ELEMENTS(arabic_scripts) - } -}; - - -#define ALEF_WITH_MADDA_ABOVE 0x0622 -#define YEH_WITH_HAMZA_ABOVE 0x0626 -#define ALEF 0x0627 -#define WAW 0x0648 -#define YEH 0x064A - -#define MADDAH_ABOVE 0x0653 -#define HAMZA_ABOVE 0x0654 -#define HAMZA_BELOW 0x0655 - -/* - * Arabic characters with canonical decompositions that are not just - * ligatures. The characters U+06C0, U+06C2, and U+06D3 are intentionally - * excluded as they are marked as "not an independent letter" in Unicode - * Character Database's NamesList.txt - */ -#define IS_COMPOSITE(c) (ALEF_WITH_MADDA_ABOVE <= (c) && (c) <= YEH_WITH_HAMZA_ABOVE) - -/* If a character is the second part of a composite Arabic character with an Alef */ -#define IS_COMPOSITE_WITH_ALEF(c) (MADDAH_ABOVE <= (c) && (c) <= HAMZA_BELOW) - -static void -arabic_engine_break (PangoEngineLang *engine G_GNUC_UNUSED, - const char *text, - int length, - PangoAnalysis *analysis G_GNUC_UNUSED, - PangoLogAttr *attrs, - int attrs_len G_GNUC_UNUSED) -{ - int i; - const char *p; - gunichar prev_wc, this_wc; - - /* See http://bugzilla.gnome.org/show_bug.cgi?id=350132 for issues this - * module tries to solve. - */ - - for (p = text, i = 0, prev_wc = 0; - p < text + length; - p = g_utf8_next_char (p), i++, prev_wc = this_wc) - { - this_wc = g_utf8_get_char (p); - - /* - * Unset backspace_deletes_character for various combinations. - * - * A few more combinations may need to be handled here, but are not - * handled yet, as expectations of users is not known or may differ - * among different languages or users: - * some letters combined with U+0658 ARABIC MARK NOON GHUNNA; - * combinations considered one letter in Azerbaijani (WAW+SUKUN and - * FARSI_YEH+HAMZA_ABOVE); combinations of YEH and ALEF_MAKSURA with - * HAMZA_BELOW (Qur'anic); TATWEEL+HAMZA_ABOVE (Qur'anic). - * - * FIXME: Ordering these in some other way may lower the time spent here, or not. - */ - if (G_UNLIKELY ( - IS_COMPOSITE (this_wc) || - (prev_wc == ALEF && IS_COMPOSITE_WITH_ALEF (this_wc)) || - (this_wc == HAMZA_ABOVE && (prev_wc == WAW || prev_wc == YEH)) - )) - attrs[i+1].backspace_deletes_character = FALSE; - } -} - -static void -arabic_engine_lang_class_init (PangoEngineLangClass *class) -{ - class->script_break = arabic_engine_break; -} - -PANGO_ENGINE_LANG_DEFINE_TYPE (ArabicEngineLang, arabic_engine_lang, - arabic_engine_lang_class_init, NULL) - -void -PANGO_MODULE_ENTRY(init) (GTypeModule *module) -{ - arabic_engine_lang_register_type (module); -} - -void -PANGO_MODULE_ENTRY(exit) (void) -{ -} - -void -PANGO_MODULE_ENTRY(list) (PangoEngineInfo **engines, - int *n_engines) -{ - *engines = script_engines; - *n_engines = G_N_ELEMENTS (script_engines); -} - -PangoEngine * -PANGO_MODULE_ENTRY(create) (const char *id) -{ - if (!strcmp (id, SCRIPT_ENGINE_NAME)) - return g_object_new (arabic_engine_lang_type, NULL); - else - return NULL; -} |