# HG changeset patch

# Parent ebe29230ffb5572d2c37ab811d34ae970d6293ca

[work-in-progress] Allow user to specify top to bottom window order

diff -r ebe29230ffb5 mcabber/mcabber/utils.c

--- a/mcabber/mcabber/utils.c	Wed Aug 01 23:44:09 2012 +0300

+++ b/mcabber/mcabber/utils.c	Fri Aug 03 14:35:36 2012 +0300

@@ -650,6 +650,42 @@

   g_free(arglst);

 }

+//  parse_list(arg, cb, udata)

+// Calls cb for every element in space/semicolon/comma-separated list.

+// Designed to work in-place, so, no escapes, quoting etc.

+// Terminates parsing if callback returns false.

+void parse_list(const char *arg, parse_list_cb_t cb, void *udata)

+{

+  const char *p, *start;

+  enum {

+    in_space,

+    in_string,

+  } state;

+

+  if (!arg) 

+    return;

+

+  state = in_space;

+  while ( *p ) {

+    if ( *p == ' ' || *p == ';' || *p == ',' ) {

+      if ( state == in_string ) {

+        if ( ! cb ( start, p, udata ) )

+          return;

+        state = in_space;

+      }

+    } else {

+      if ( state == in_space ) {

+        start = p;

+        state = in_string;

+      }

+    }

+    p ++;

+  }

+

+  if ( state == in_string )

+    cb ( start, p, udata );

+}

+

 //  replace_nl_with_dots(bufstr)

 // Replace '\n' with "(...)" (or with a NUL if the string is too short)

 void replace_nl_with_dots(char *bufstr)

diff -r ebe29230ffb5 mcabber/mcabber/utils.h

--- a/mcabber/mcabber/utils.h	Wed Aug 01 23:44:09 2012 +0300

+++ b/mcabber/mcabber/utils.h	Fri Aug 03 14:35:36 2012 +0300

@@ -43,6 +43,11 @@

 char **split_arg(const char *arg, unsigned int n, int dontstriplast);

 void free_arg_lst(char **arglst);

+/* fast in-place string split on space/semicolon/comma

+ * stops processing if callback returns false value */

+typedef int (*parse_list_cb_t)(const char *start, const char *end, void *udata);

+void parse_list(const char *arg, parse_list_cb_t cb, void *udata);

+

 void replace_nl_with_dots(char *bufstr);

 char *ut_expand_tabs(const char *text);