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mceditor: syntax: reimplement keyword list using GPtrArray. 

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2014-10-01 10:56:56 +04:00
parent 32cfbfaef1
commit 8307c12bd4
1 changed files with 59 additions and 54 deletions
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113
src/editor/syntax.c
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@ -95,9 +95,11 @@ int option_auto_syntax = 1;
#define check_a {if(!*a){result=line;break;}}
#define check_not_a {if(*a){result=line;break;}}
#define SYNTAX_KEYWORD(x) ((syntax_keyword_t *) (x))
/*** file scope type declarations ****************************************************************/
struct key_word
typedef struct
{
char *keyword;
unsigned char first;
@ -105,7 +107,7 @@ struct key_word
char *whole_word_chars_right;
long line_start;
int color;
};
} syntax_keyword_t;
struct context_rule
{
@ -121,7 +123,7 @@ struct context_rule
char *keyword_first_chars;
gboolean spelling;
/* first word is word[1] */
struct key_word **keyword;
GPtrArray *keyword;
};
typedef struct
@ -134,9 +136,23 @@ typedef struct
static char *error_file_name = NULL;
/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
static void
syntax_keyword_free (gpointer keyword)
{
syntax_keyword_t *k = SYNTAX_KEYWORD (keyword);
g_free (k->keyword);
g_free (k->whole_word_chars_left);
g_free (k->whole_word_chars_right);
g_free (k);
}
/* --------------------------------------------------------------------------------------------- */
static gint
mc_defines_destroy (gpointer key, gpointer value, gpointer data)
{
@ -407,12 +423,12 @@ apply_rules_going_right (WEdit * edit, off_t i)
if (p != NULL)
while (*(p = xx_strchr (edit, (unsigned char *) p + 1, c)) != '\0')
{
struct key_word *k;
syntax_keyword_t *k;
int count;
off_t e;
count = p - r->keyword_first_chars;
k = r->keyword[count];
k = SYNTAX_KEYWORD (g_ptr_array_index (r->keyword, count));
e = compare_word_to_right (edit, i, k->keyword, k->whole_word_chars_left,
k->whole_word_chars_right, k->line_start);
if (e > 0)
@ -509,12 +525,12 @@ apply_rules_going_right (WEdit * edit, off_t i)
while (*(p = xx_strchr (edit, (unsigned char *) p + 1, c)) != '\0')
{
struct key_word *k;
syntax_keyword_t *k;
int count;
off_t e;
count = p - r->keyword_first_chars;
k = r->keyword[count];
k = SYNTAX_KEYWORD (g_ptr_array_index (r->keyword, count));
e = compare_word_to_right (edit, i, k->keyword, k->whole_word_chars_left,
k->whole_word_chars_right, k->line_start);
if (e > 0)
@ -594,7 +610,11 @@ edit_get_rule (WEdit * edit, off_t byte_index)
static inline int
translate_rule_to_color (const WEdit * edit, const edit_syntax_rule_t * rule)
{
return edit->rules[rule->context]->keyword[rule->keyword]->color;
syntax_keyword_t *k;
k = SYNTAX_KEYWORD (g_ptr_array_index (edit->rules[rule->context]->keyword, rule->keyword));
return k->color;
}
/* --------------------------------------------------------------------------------------------- */
@ -885,11 +905,10 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
char *l = 0;
int save_line = 0, line = 0;
struct context_rule **r, *c = NULL;
int num_words = -1, num_contexts = -1;
gboolean no_words = TRUE;
int num_contexts = -1;
int result = 0;
int alloc_contexts = MAX_CONTEXTS,
alloc_words_per_context = MAX_WORDS_PER_CONTEXT,
max_alloc_words_per_context = MAX_WORDS_PER_CONTEXT;
int alloc_contexts = MAX_CONTEXTS;
args[0] = NULL;
edit->is_case_insensitive = FALSE;
@ -982,6 +1001,8 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
}
else if (strcmp (args[0], "context") == 0)
{
syntax_keyword_t *k;
check_a;
if (num_contexts == -1)
{
@ -998,7 +1019,6 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
else
{
/* Terminate previous context. */
r[num_contexts - 1]->keyword[num_words] = NULL;
c = r[num_contexts] = g_malloc0 (sizeof (struct context_rule));
if (strcmp (*a, "exclusive") == 0)
{
@ -1041,9 +1061,10 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
c->first_left = *c->left;
c->first_right = *c->right;
}
c->keyword = g_malloc (alloc_words_per_context * sizeof (struct key_word *));
num_words = 1;
c->keyword[0] = g_malloc0 (sizeof (struct key_word));
c->keyword = g_ptr_array_new ();
k = g_new0 (syntax_keyword_t, 1);
g_ptr_array_add (c->keyword, k);
no_words = FALSE;
subst_defines (edit->defines, a, &args[1024]);
fg = *a;
if (*a != NULL)
@ -1057,11 +1078,10 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
g_strlcpy (last_fg, fg != NULL ? fg : "", sizeof (last_fg));
g_strlcpy (last_bg, bg != NULL ? bg : "", sizeof (last_bg));
g_strlcpy (last_attrs, attrs != NULL ? attrs : "", sizeof (last_attrs));
c->keyword[0]->color = this_try_alloc_color_pair (fg, bg, attrs);
c->keyword[0]->keyword = g_strdup (" ");
k->color = this_try_alloc_color_pair (fg, bg, attrs);
k->keyword = g_strdup (" ");
check_not_a;
alloc_words_per_context = MAX_WORDS_PER_CONTEXT;
if (++num_contexts >= alloc_contexts)
{
struct context_rule **tmp;
@ -1082,12 +1102,13 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
}
else if (strcmp (args[0], "keyword") == 0)
{
struct key_word *k;
syntax_keyword_t *k;
if (num_words == -1)
if (no_words)
break_a;
check_a;
k = r[num_contexts - 1]->keyword[num_words] = g_malloc0 (sizeof (struct key_word));
k = g_new0 (syntax_keyword_t, 1);
g_ptr_array_add (r[num_contexts - 1]->keyword, k);
if (strcmp (*a, "whole") == 0)
{
a++;
@ -1135,19 +1156,6 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
attrs = last_attrs;
k->color = this_try_alloc_color_pair (fg, bg, attrs);
check_not_a;
if (++num_words >= alloc_words_per_context)
{
struct key_word **tmp;
alloc_words_per_context += 1024;
if (alloc_words_per_context > max_alloc_words_per_context)
max_alloc_words_per_context = alloc_words_per_context;
tmp = g_realloc (c->keyword, alloc_words_per_context * sizeof (struct key_word *));
c->keyword = tmp;
}
}
else if (*(args[0]) == '#')
{
@ -1188,10 +1196,7 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
/* Terminate context array. */
if (num_contexts > 0)
{
r[num_contexts - 1]->keyword[num_words] = NULL;
r[num_contexts] = NULL;
}
if (edit->rules[0] == NULL)
MC_PTR_FREE (edit->rules);
@ -1204,18 +1209,23 @@ edit_read_syntax_rules (WEdit * edit, FILE * f, char **args, int args_size)
if (num_contexts == -1)
return line;
first_chars = g_string_sized_new (max_alloc_words_per_context + 2);
first_chars = g_string_sized_new (32);
for (i = 0; edit->rules[i] != NULL; i++)
{
int j;
size_t j;
g_string_set_size (first_chars, 0);
c = edit->rules[i];
g_string_append_c (first_chars, (char) 1);
for (j = 1; c->keyword[j] != NULL; j++)
g_string_append_c (first_chars, c->keyword[j]->first);
for (j = 1; j < c->keyword->len; j++)
{
syntax_keyword_t *k;
k = SYNTAX_KEYWORD (g_ptr_array_index (c->keyword, j));
g_string_append_c (first_chars, k->first);
}
c->keyword_first_chars = g_strndup (first_chars->str, first_chars->len);
}
@ -1330,8 +1340,8 @@ edit_read_syntax_file (WEdit * edit, GPtrArray * pnames, const char *syntax_file
g_free (edit->syntax_type);
edit->syntax_type = g_strdup (syntax_type);
/* if there are no rules then turn off syntax highlighting for speed */
if (!g && !edit->rules[1])
if (!edit->rules[0]->keyword[1] && !edit->rules[0]->spelling)
if (g == NULL && edit->rules[1] == NULL)
if (edit->rules[0]->keyword->len == 1 && !edit->rules[0]->spelling)
{
edit_free_syntax_rules (edit);
break;
@ -1404,7 +1414,7 @@ edit_get_syntax_color (WEdit * edit, off_t byte_index)
void
edit_free_syntax_rules (WEdit * edit)
{
size_t i, j;
size_t i;
if (!edit)
return;
@ -1418,21 +1428,16 @@ edit_free_syntax_rules (WEdit * edit)
for (i = 0; edit->rules[i]; i++)
{
if (edit->rules[i]->keyword)
if (edit->rules[i]->keyword != NULL)
{
for (j = 0; edit->rules[i]->keyword[j]; j++)
{
MC_PTR_FREE (edit->rules[i]->keyword[j]->keyword);
MC_PTR_FREE (edit->rules[i]->keyword[j]->whole_word_chars_left);
MC_PTR_FREE (edit->rules[i]->keyword[j]->whole_word_chars_right);
MC_PTR_FREE (edit->rules[i]->keyword[j]);
}
g_ptr_array_foreach (edit->rules[i]->keyword, (GFunc) syntax_keyword_free, NULL);
g_ptr_array_free (edit->rules[i]->keyword, TRUE);
}
MC_PTR_FREE (edit->rules[i]->left);
MC_PTR_FREE (edit->rules[i]->right);
MC_PTR_FREE (edit->rules[i]->whole_word_chars_left);
MC_PTR_FREE (edit->rules[i]->whole_word_chars_right);
MC_PTR_FREE (edit->rules[i]->keyword);
MC_PTR_FREE (edit->rules[i]->keyword_first_chars);
MC_PTR_FREE (edit->rules[i]);
}