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Add utils_string_find() to search in a fixed range.

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Change utils_string_replace() to just replace a fixed number of
characters.



git-svn-id: https://geany.svn.sourceforge.net/svnroot/geany/trunk@5730 ea778897-0a13-0410-b9d1-a72fbfd435f5
This commit is contained in:
Nick Treleaven 2011-04-19 16:36:29 +00:00
parent 06f9d7e068
commit a89ba90b15
4 changed files with 35 additions and 19 deletions
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4
ChangeLog
View File

@ -4,6 +4,10 @@
Fix multiple snippet cursor positions for Tabs + Spaces mode.
Simplify editor_insert_snippet() code now we use cursor marker
strings.
* src/utils.c, src/utils.h, src/editor.c:
Add utils_string_find() to search in a fixed range.
Change utils_string_replace() to just replace a fixed number of
characters.
2011-04-17 Enrico Tröger <enrico(dot)troeger(at)uvena(dot)de>

8
src/editor.c
View File

@ -2347,9 +2347,7 @@ static guint utils_string_regex_replace_all(GString *haystack,
g_return_val_if_fail(match->rm_so >= 0, FALSE);
pos += match->rm_so;
g_string_erase(haystack, pos, match->rm_eo - match->rm_so);
g_string_insert(haystack, pos, replace);
pos += strlen(replace);
pos = utils_string_replace(haystack, pos, match->rm_eo - match->rm_so, replace);
ret++;
}
return ret;
@ -2534,10 +2532,12 @@ static gssize replace_cursor_markers(GeanyEditor *editor, GString *pattern)
i = 0;
while (1)
{
cursor_steps = utils_string_replace(pattern, cursor_steps, -1, geany_cursor_marker, NULL);
cursor_steps = utils_string_find(pattern, cursor_steps, -1, geany_cursor_marker);
if (cursor_steps == -1)
break;
g_string_erase(pattern, cursor_steps, strlen(geany_cursor_marker));
if (i++ > 0)
{
/* save the relative offset to each cursor position */

37
src/utils.c
View File

@ -1530,11 +1530,9 @@ gboolean utils_str_has_upper(const gchar *str)
}
/* Replaces needle if in range.
* end can be -1 for haystack->len.
* returns: position of replaced text or -1. */
gint utils_string_replace(GString *haystack, gint start, gint end,
const gchar *needle, const gchar *replace)
/* end can be -1 for haystack->len.
* returns: position of found text or -1. */
gint utils_string_find(GString *haystack, gint start, gint end, const gchar *needle)
{
gint pos;
@ -1558,14 +1556,22 @@ gint utils_string_replace(GString *haystack, gint start, gint end,
pos += start;
if (pos >= end)
return -1;
g_string_erase(haystack, pos, strlen(needle));
if (G_LIKELY(replace))
g_string_insert(haystack, pos, replace);
return pos;
}
/* Replaces @len characters from offset @a pos.
* len can be -1 for str->len.
* returns: pos + strlen(replace). */
gint utils_string_replace(GString *str, gint pos, gint len, const gchar *replace)
{
g_string_erase(str, pos, len);
g_string_insert(str, pos, replace);
return pos + strlen(replace);
}
/**
* Replaces all occurrences of @a needle in @a haystack with @a replace.
* As of Geany 0.16, @a replace can match @a needle, so the following will work:
@ -1584,13 +1590,12 @@ guint utils_string_replace_all(GString *haystack, const gchar *needle, const gch
while (1)
{
pos = utils_string_replace(haystack, pos, -1, needle, replace);
pos = utils_string_find(haystack, pos, -1, needle);
if (pos == -1)
break;
if (replace)
pos += strlen(replace);
pos = utils_string_replace(haystack, pos, strlen(needle), replace);
count++;
}
return count;
@ -1612,7 +1617,13 @@ guint utils_string_replace_all(GString *haystack, const gchar *needle, const gch
*/
guint utils_string_replace_first(GString *haystack, const gchar *needle, const gchar *replace)
{
return utils_string_replace(haystack, 0, -1, needle, replace) == -1 ? 0 : 1;
gint pos = utils_string_find(haystack, 0, -1, needle);
if (pos == -1)
return 0;
utils_string_replace(haystack, pos, strlen(needle), replace);
return 1;
}

5
src/utils.h
View File

@ -168,8 +168,9 @@ gchar utils_brace_opposite(gchar ch);
gchar *utils_get_hostname(void);
gint utils_string_replace(GString *haystack, gint start, gint end,
const gchar *needle, const gchar *replace);
gint utils_string_find(GString *haystack, gint start, gint end, const gchar *needle);
gint utils_string_replace(GString *str, gint pos, gint len, const gchar *replace);
guint utils_string_replace_all(GString *haystack, const gchar *needle, const gchar *replace);