Move quoted_value() and escquote_value() to misc.[ch].

[geeqie.git] / src / misc.c

diff --git a/src/misc.c b/src/misc.c
index 47bbdc3..d52e1e6 100644 (file)
--- a/src/misc.c
+++ b/src/misc.c
@@ -108,3 +108,81 @@ gchar *expand_tilde(const gchar *filename)
                return g_build_filename(home, G_DIR_SEPARATOR_S, NULL);
 #endif
 }
+
+/*
+   returns text without quotes or NULL for empty or broken string
+   any text up to first '"' is skipped
+   tail is set to point at the char after the second '"'
+   or at the ending \0
+
+*/
+
+gchar *quoted_value(const gchar *text, const gchar **tail)
+{
+       const gchar *ptr;
+       gint c = 0;
+       gint l = strlen(text);
+       gchar *retval = NULL;
+
+       if (tail) *tail = text;
+
+       if (l == 0) return retval;
+
+       while (c < l && text[c] != '"') c++;
+       if (text[c] == '"')
+               {
+               gint e;
+               c++;
+               ptr = text + c;
+               e = c;
+               while (e < l)
+                       {
+                       if (text[e-1] != '\\' && text[e] == '"') break;
+                       e++;
+                       }
+               if (text[e] == '"')
+                       {
+                       if (e - c > 0)
+                               {
+                               gchar *substring = g_strndup(ptr, e - c);
+
+                               if (substring)
+                                       {
+                                       retval = g_strcompress(substring);
+                                       g_free(substring);
+                                       }
+                               }
+                       }
+               if (tail) *tail = text + e + 1;
+               }
+       else
+               /* for compatibility with older formats (<0.3.7)
+                * read a line without quotes too */
+               {
+               c = 0;
+               while (c < l && text[c] != '\n' && !g_ascii_isspace(text[c])) c++;
+               if (c != 0)
+                       {
+                       retval = g_strndup(text, c);
+                       }
+               if (tail) *tail = text + c;
+               }
+
+       return retval;
+}
+
+gchar *escquote_value(const gchar *text)
+{
+       gchar *e;
+
+       if (!text) return g_strdup("\"\"");
+
+       e = g_strescape(text, "");
+       if (e)
+               {
+               gchar *retval = g_strdup_printf("\"%s\"", e);
+               g_free(e);
+               return retval;
+               }
+       return g_strdup("\"\"");
+}