diff options
-rw-r--r-- | pango/Makefile.am | 1 | ||||
-rw-r--r-- | pango/break.c | 13 | ||||
-rw-r--r-- | pango/pango-context.c | 13 | ||||
-rw-r--r-- | pango/pango-script-private.h | 56 | ||||
-rw-r--r-- | pango/pango-script.c | 70 |
5 files changed, 101 insertions, 52 deletions
diff --git a/pango/Makefile.am b/pango/Makefile.am index fff14dfb..c5153aec 100644 --- a/pango/Makefile.am +++ b/pango/Makefile.am @@ -92,6 +92,7 @@ libpango_1_0_la_SOURCES = \ pango-renderer.c \ pango-script.c \ pango-script-lang-table.h \ + pango-script-private.h \ pango-tabs.c \ pango-utils.c \ reorder-items.c \ diff --git a/pango/break.c b/pango/break.c index db3053a7..fa49b3fc 100644 --- a/pango/break.c +++ b/pango/break.c @@ -23,6 +23,7 @@ #include "pango-break.h" #include "pango-modules.h" +#include "pango-script-private.h" #include <string.h> #define PARAGRAPH_SEPARATOR 0x2029 @@ -1864,7 +1865,7 @@ pango_get_log_attrs (const char *text, static guint engine_type_id = 0; static guint render_type_id = 0; PangoAnalysis analysis = { NULL }; - PangoScriptIter *iter; + PangoScriptIter iter; g_return_if_fail (length == 0 || text != NULL); g_return_if_fail (log_attrs != NULL); @@ -1883,17 +1884,17 @@ pango_get_log_attrs (const char *text, chars_broken = 0; - iter = pango_script_iter_new (text, length); - pango_script_iter_get_range (iter, &range_start, &range_end, &script); + _pango_script_iter_init (&iter, text, length); + pango_script_iter_get_range (&iter, &range_start, &range_end, &script); range_engine = (PangoEngineLang*) pango_map_get_engine (lang_map, script); g_assert (range_start == text); - while (pango_script_iter_next (iter)) + while (pango_script_iter_next (&iter)) { const char *run_start, *run_end; PangoEngineLang* run_engine; - pango_script_iter_get_range (iter, &run_start, &run_end, &script); + pango_script_iter_get_range (&iter, &run_start, &run_end, &script); run_engine = (PangoEngineLang*) pango_map_get_engine (lang_map, script); g_assert (range_end == run_start); @@ -1909,7 +1910,7 @@ pango_get_log_attrs (const char *text, } range_end = run_end; } - pango_script_iter_free (iter); + _pango_script_iter_fini (&iter); g_assert (length < 0 || range_end == text + length); diff --git a/pango/pango-context.c b/pango/pango-context.c index 9285581f..6c40a295 100644 --- a/pango/pango-context.c +++ b/pango/pango-context.c @@ -29,6 +29,7 @@ #include "pango-engine.h" #include "pango-engine-private.h" #include "pango-modules.h" +#include "pango-script-private.h" struct _PangoContext { @@ -685,7 +686,7 @@ struct _ItemizeState ChangedFlags changed; - PangoScriptIter *script_iter; + PangoScriptIter script_iter; const char *script_end; PangoScript script; @@ -850,8 +851,8 @@ itemize_state_init (ItemizeState *state, /* Initialize the script iterator */ - state->script_iter = pango_script_iter_new (text + start_index, length); - pango_script_iter_get_range (state->script_iter, NULL, + _pango_script_iter_init (&state->script_iter, text + start_index, length); + pango_script_iter_get_range (&state->script_iter, NULL, &state->script_end, &state->script); update_end (state); @@ -899,8 +900,8 @@ itemize_state_next (ItemizeState *state) if (state->run_end == state->script_end) { - pango_script_iter_next (state->script_iter); - pango_script_iter_get_range (state->script_iter, NULL, + pango_script_iter_next (&state->script_iter); + pango_script_iter_get_range (&state->script_iter, NULL, &state->script_end, &state->script); state->changed |= SCRIPT_CHANGED; } @@ -1410,7 +1411,7 @@ itemize_state_finish (ItemizeState *state) g_free (state->embedding_levels); if (state->free_attr_iter) pango_attr_iterator_destroy (state->attr_iter); - pango_script_iter_free (state->script_iter); + _pango_script_iter_fini (&state->script_iter); pango_font_description_free (state->font_desc); itemize_state_reset_shape_engines (state); diff --git a/pango/pango-script-private.h b/pango/pango-script-private.h new file mode 100644 index 00000000..b77209c6 --- /dev/null +++ b/pango/pango-script-private.h @@ -0,0 +1,56 @@ +/* Pango + * pango-script-private.h: Script tag handling, private definitions + * + * Copyright (C) 2002 Red Hat Software + * + * 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. + */ + +#ifndef __PANGO_SCRIPT_PRIVATE_H__ +#define __PANGO_SCRIPT_PRIVATE_H__ + +#define PAREN_STACK_DEPTH 128 + +typedef struct _ParenStackEntry ParenStackEntry; + +struct _ParenStackEntry +{ + int pair_index; + PangoScript script_code; +}; + +struct _PangoScriptIter +{ + const gchar *text_start; + const gchar *text_end; + + const gchar *script_start; + const gchar *script_end; + PangoScript script_code; + + ParenStackEntry paren_stack[PAREN_STACK_DEPTH]; + int paren_sp; +}; + +PangoScriptIter * +_pango_script_iter_init (PangoScriptIter *iter, + const char *text, + int length); + +void +_pango_script_iter_fini (PangoScriptIter *iter); + +#endif /* __PANGO_SCRIPT_PRIVATE_H__ */ diff --git a/pango/pango-script.c b/pango/pango-script.c index 862c8475..605e46e2 100644 --- a/pango/pango-script.c +++ b/pango/pango-script.c @@ -58,29 +58,7 @@ #include <string.h> #include "pango-script.h" - -#define PAREN_STACK_DEPTH 128 - -typedef struct _ParenStackEntry ParenStackEntry; - -struct _ParenStackEntry -{ - int pair_index; - PangoScript script_code; -}; - -struct _PangoScriptIter -{ - const gchar *text_start; - const gchar *text_end; - - const gchar *script_start; - const gchar *script_end; - PangoScript script_code; - - ParenStackEntry paren_stack[PAREN_STACK_DEPTH]; - int paren_sp; -}; +#include "pango-script-private.h" /** * pango_script_for_unichar: @@ -106,6 +84,28 @@ pango_script_for_unichar (gunichar ch) /**********************************************************************/ +PangoScriptIter * +_pango_script_iter_init (PangoScriptIter *iter, + const char *text, + int length) +{ + iter->text_start = text; + if (length >= 0) + iter->text_end = text + length; + else + iter->text_end = text + strlen (text); + + iter->script_start = text; + iter->script_end = text; + iter->script_code = PANGO_SCRIPT_COMMON; + + iter->paren_sp = -1; + + pango_script_iter_next (iter); + + return iter; +} + /** * pango_script_iter_new: * @text: a UTF-8 string @@ -114,7 +114,7 @@ pango_script_for_unichar (gunichar ch) * Create a new #PangoScriptIter, used to break a string of * Unicode into runs by text. No copy is made of @text, so * the caller needs to make sure it remains valid until - * the iterator is freed with pango_script_iter_free ().x + * the iterator is freed with pango_script_iter_free(). * * Return value: the new script iterator, initialized * to point at the first range in the text, which should be @@ -127,23 +127,12 @@ PangoScriptIter * pango_script_iter_new (const char *text, int length) { - PangoScriptIter *iter = g_slice_new (PangoScriptIter); - - iter->text_start = text; - if (length >= 0) - iter->text_end = text + length; - else - iter->text_end = text + strlen (text); - - iter->script_start = text; - iter->script_end = text; - iter->script_code = PANGO_SCRIPT_COMMON; - - iter->paren_sp = -1; - - pango_script_iter_next (iter); + return _pango_script_iter_init (g_slice_new (PangoScriptIter), text, length); +} - return iter; +void +_pango_script_iter_fini (PangoScriptIter *iter) +{ } /** @@ -157,6 +146,7 @@ pango_script_iter_new (const char *text, void pango_script_iter_free (PangoScriptIter *iter) { + _pango_script_iter_fini (iter); g_slice_free (PangoScriptIter, iter); } |