[evolution/wip/webkit-composer] Move replace_string from Backup-Restore module to e-misc-utils and make it public as e_str_replace_s



commit 8d8a288ed505f8dfd15fc912486762b3261f89ac
Author: Tomas Popela <tpopela redhat com>
Date:   Thu Jan 23 15:41:43 2014 +0100

    Move replace_string from Backup-Restore module to e-misc-utils and make it public as e_str_replace_string

 e-util/e-misc-utils.c                          |   44 ++++++++++++++++++++++++
 e-util/e-misc-utils.h                          |    3 ++
 modules/backup-restore/evolution-backup-tool.c |   44 +++--------------------
 3 files changed, 53 insertions(+), 38 deletions(-)
---
diff --git a/e-util/e-misc-utils.c b/e-util/e-misc-utils.c
index 7aec593..1e2d5c5 100644
--- a/e-util/e-misc-utils.c
+++ b/e-util/e-misc-utils.c
@@ -1085,6 +1085,50 @@ e_str_without_underscores (const gchar *string)
        return new_string;
 }
 
+/**
+ * e_str_replace_string
+ * @text: the string to replace
+ * @before: the string to be replaced
+ * @after: the string to replaced with
+ *
+ * Replaces every occurrence of the string @before with the string @after in
+ * the string @text and returns a #GString with result that should be freed
+ * with g_string_free().
+ *
+ * Returns: a newly-allocated #GString
+ */
+GString *
+e_str_replace_string (const gchar *text,
+                      const gchar *before,
+                      const gchar *after)
+{
+       const gchar *p, *next;
+       GString *str;
+       gint find_len;
+
+       g_return_val_if_fail (text != NULL, NULL);
+       g_return_val_if_fail (before != NULL, NULL);
+       g_return_val_if_fail (*before, NULL);
+
+       find_len = strlen (before);
+       str = g_string_new ("");
+
+       p = text;
+       while (next = strstr (p, before), next) {
+               if (p < next)
+                       g_string_append_len (str, p, next - p);
+
+               if (after && *after)
+                       g_string_append (str, after);
+
+               p = next + find_len;
+       }
+
+       g_string_append (str, p);
+
+       return str;
+}
+
 gint
 e_str_compare (gconstpointer x,
                gconstpointer y)
diff --git a/e-util/e-misc-utils.h b/e-util/e-misc-utils.h
index 54c8d15..3129a28 100644
--- a/e-util/e-misc-utils.h
+++ b/e-util/e-misc-utils.h
@@ -99,6 +99,9 @@ gchar *               e_ascii_dtostr                  (gchar *buffer,
                                                 gdouble d);
 
 gchar *                e_str_without_underscores       (const gchar *string);
+GString *      e_str_replace_string            (const gchar *text,
+                                                const gchar *find,
+                                                const gchar *replace);
 gint           e_str_compare                   (gconstpointer x,
                                                 gconstpointer y);
 gint           e_str_case_compare              (gconstpointer x,
diff --git a/modules/backup-restore/evolution-backup-tool.c b/modules/backup-restore/evolution-backup-tool.c
index e94a3ff..8a239bf 100644
--- a/modules/backup-restore/evolution-backup-tool.c
+++ b/modules/backup-restore/evolution-backup-tool.c
@@ -101,38 +101,6 @@ static GOptionEntry options[] = {
 
 static gboolean check (const gchar *filename, gboolean *is_new_format);
 
-static GString *
-replace_string (const gchar *text,
-                const gchar *find,
-                const gchar *replace)
-{
-       const gchar *p, *next;
-       GString *str;
-       gint find_len;
-
-       g_return_val_if_fail (text != NULL, NULL);
-       g_return_val_if_fail (find != NULL, NULL);
-       g_return_val_if_fail (*find, NULL);
-
-       find_len = strlen (find);
-       str = g_string_new ("");
-
-       p = text;
-       while (next = strstr (p, find), next) {
-               if (p < next)
-                       g_string_append_len (str, p, next - p);
-
-               if (replace && *replace)
-                       g_string_append (str, replace);
-
-               p = next + find_len;
-       }
-
-       g_string_append (str, p);
-
-       return str;
-}
-
 static const gchar *
 strip_home_dir (const gchar *dir)
 {
@@ -166,11 +134,11 @@ replace_variables (const gchar *str,
        strip_datadir = strip_home_dir (e_get_user_data_dir ());
        strip_configdir = strip_home_dir (e_get_user_config_dir ());
 
-       #define repl(_find, _replace)                                           \
-               use = replace_string (res ? res->str : str, _find, _replace);   \
-               g_return_val_if_fail (use != NULL, NULL);                       \
-               if (res)                                                        \
-                       g_string_free (res, TRUE);                              \
+       #define repl(_find, _replace)                                                   \
+               use = e_str_replace_string (res ? res->str : str, _find, _replace);     \
+               g_return_val_if_fail (use != NULL, NULL);                               \
+               if (res)                                                                \
+                       g_string_free (res, TRUE);                                      \
                res = use;
 
        repl ("$HOME", g_get_home_dir ());
@@ -223,7 +191,7 @@ replace_in_file (const gchar *filename,
        }
 
        if (g_file_get_contents (filename, &content, NULL, &error)) {
-               GString *str = replace_string (content, find, replace);
+               GString *str = e_str_replace_string (content, find, replace);
 
                if (str) {
                        if (!g_file_set_contents (filename, str->str, -1, &error) && error) {


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