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composetable: Introduce a parser struct

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This will be used in the following commits to
beef up Compose file parsing.
This commit is contained in:
Matthias Clasen 2021-07-07 09:56:34 -04:00
parent d25557a5ef
commit bee58fd09d
1 changed files with 43 additions and 21 deletions
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64
gtk/gtkcomposetable.c
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@ -39,7 +39,6 @@ typedef struct {
char *value;
} GtkComposeData;
static void
gtk_compose_data_free (GtkComposeData *compose_data)
{
@ -48,10 +47,27 @@ gtk_compose_data_free (GtkComposeData *compose_data)
g_slice_free (GtkComposeData, compose_data);
}
static void
gtk_compose_list_element_free (GtkComposeData *compose_data, gpointer data)
typedef struct {
GList *sequences;
} GtkComposeParser;
static GtkComposeParser *
parser_new (void)
{
gtk_compose_data_free (compose_data);
GtkComposeParser *parser;
parser = g_new (GtkComposeParser, 1);
parser->sequences = NULL;
return parser;
}
static void
parser_free (GtkComposeParser *parser)
{
g_list_free_full (parser->sequences, (GDestroyNotify) gtk_compose_data_free);
g_free (parser);
}
static gboolean
@ -784,43 +800,49 @@ gtk_compose_table_new_with_list (GList *compose_list,
GtkComposeTable *
gtk_compose_table_new_with_file (const char *compose_file)
{
GList *compose_list = NULL;
GtkComposeParser *parser;
GtkComposeTable *compose_table;
int max_compose_len = 0;
int n_index_stride = 0;
g_assert (compose_file != NULL);
compose_table = NULL;
compose_table = gtk_compose_table_load_cache (compose_file);
if (compose_table != NULL)
return compose_table;
compose_list = gtk_compose_list_parse_file (compose_file);
if (compose_list == NULL)
return NULL;
compose_list = gtk_compose_list_check_duplicated (compose_list);
compose_list = gtk_compose_list_check_uint16 (compose_list);
compose_list = gtk_compose_list_format_for_gtk (compose_list,
&max_compose_len,
&n_index_stride);
compose_list = g_list_sort_with_data (compose_list,
(GCompareDataFunc) gtk_compose_data_compare,
GINT_TO_POINTER (max_compose_len));
if (compose_list == NULL)
parser = parser_new ();
parser->sequences = gtk_compose_list_parse_file (compose_file);
if (parser->sequences == NULL)
goto out;
parser->sequences = gtk_compose_list_check_duplicated (parser->sequences);
parser->sequences = gtk_compose_list_check_uint16 (parser->sequences);
parser->sequences = gtk_compose_list_format_for_gtk (parser->sequences,
&max_compose_len,
&n_index_stride);
parser->sequences = g_list_sort_with_data (parser->sequences,
(GCompareDataFunc) gtk_compose_data_compare,
GINT_TO_POINTER (max_compose_len));
if (parser->sequences == NULL)
{
g_warning ("compose file %s does not include any keys besides keys in en-us compose file", compose_file);
return NULL;
goto out;
}
compose_table = gtk_compose_table_new_with_list (compose_list,
compose_table = gtk_compose_table_new_with_list (parser->sequences,
max_compose_len,
n_index_stride,
g_str_hash (compose_file));
g_list_free_full (compose_list, (GDestroyNotify) gtk_compose_list_element_free);
gtk_compose_table_save_cache (compose_table);
out:
parser_free (parser);
return compose_table;
}