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| author | Jonathan Gordon <rockbox@jdgordon.info> | 2012-03-27 23:42:00 +1100 |
|---|---|---|
| committer | Jonathan Gordon <rockbox@jdgordon.info> | 2012-03-27 23:42:00 +1100 |
| commit | b2202a3d7cce23c20192c1b62cf2f934f78f61df (patch) | |
| tree | 8603ebf8d23bd44d29b322a0809c6a8327560533 | |
| parent | 215ac639ff82a5064d3a24db005ddd49ec9e1429 (diff) | |
| download | rockbox-b2202a3.tar.gz rockbox-b2202a3.zip | |
skin_engine: Allow negative numbers for the start offset in %ss
i.e %ss(-1, -, %ia) will get the last letter in the %ia tag
Change-Id: I6b2764d30c072b549e7424fc6e847ec48850b46a
| -rw-r--r-- | apps/gui/skin_engine/skin_tokens.c | 5 | ||||
| -rw-r--r-- | manual/appendix/wps_tags.tex | 2 |
2 files changed, 5 insertions, 2 deletions
diff --git a/apps/gui/skin_engine/skin_tokens.c b/apps/gui/skin_engine/skin_tokens.c index 29ddad4c5b..1bb5b8e555 100644 --- a/apps/gui/skin_engine/skin_tokens.c +++ b/apps/gui/skin_engine/skin_tokens.c @@ -927,7 +927,10 @@ const char *get_token_value(struct gui_wps *gwps, if (utf8_len < ss->start) return NULL; - start_byte = utf8seek(token_val, ss->start); + if (ss->start < 0) + start_byte = utf8seek(token_val, ss->start + utf8_len); + else + start_byte = utf8seek(token_val, ss->start); if (ss->length < 0 || (ss->start + ss->length) > utf8_len) end_byte = strlen(token_val); diff --git a/manual/appendix/wps_tags.tex b/manual/appendix/wps_tags.tex index 4aa9472e74..51f10e9a32 100644 --- a/manual/appendix/wps_tags.tex +++ b/manual/appendix/wps_tags.tex @@ -766,7 +766,7 @@ a horizontal progressbar which doesn't fill and draws the image \end{tagmap} Use this tag to get a substring from another tag. \begin{description} - \item[start] -- first character to take (0 being the start of the string) + \item[start] -- first character to take (0 being the start of the string, negative means from the end of the string) \item[length] -- length of the substring to return (- for the rest of the string) \item[tag] -- tag to get \item[number] -- OPTIONAL. if this is present it will assume the |