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authorMattias Andrée <maandree@operamail.com>2014-11-30 15:20:44 +0100
committerMattias Andrée <maandree@operamail.com>2014-11-30 15:20:44 +0100
commitcf1bcf5954bfebf38692507a007e5c76183fd647 (patch)
tree895aff915c09500996726afa73bb24bf40e03399 /src/mds-kbdc
parentfix order of "included from here"-notes (diff)
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simplify
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--src/mds-kbdc/raw-data.c67
1 files changed, 28 insertions, 39 deletions
diff --git a/src/mds-kbdc/raw-data.c b/src/mds-kbdc/raw-data.c
index 1803cd5..13d6d9b 100644
--- a/src/mds-kbdc/raw-data.c
+++ b/src/mds-kbdc/raw-data.c
@@ -413,12 +413,13 @@ static char* encode_utf8(char* buffer, char32_t character)
*/
char* parse_raw_string(const char* restrict string)
{
-#define r(lower, upper) (((lower) <= c) && (c <= (upper)))
+#define r(cond, lower, upper) ((cond) && ((lower) <= c) && (c <= (upper)))
char* rc;
char* p;
int escape = 0;
- char32_t buf;
+ char32_t buf = 0;
+ char c;
/* We know that the output string can only be shorter because
* it is surrounded by 2 quotes and escape can only be longer
@@ -430,46 +431,34 @@ char* parse_raw_string(const char* restrict string)
if (rc == NULL)
return NULL;
- while (*string)
- {
- char c = *string++;
-
- if (escape > 1)
- {
- if ((escape == 8) && r('0', '7')) buf = (buf << 3) | (c & 15);
- else if ((escape == 16) && r('0', '9')) buf = (buf << 4) | (c & 15);
- else if ((escape == 16) && r('a', 'f')) buf = (buf << 4) | ((c & 15) + 9);
- else if ((escape == 16) && r('A', 'F')) buf = (buf << 4) | ((c & 15) + 9);
- else
- goto end_of_escape;
- continue;
- end_of_escape:
- escape = 0;
- p = encode_utf8(p, buf);
- if (p == NULL)
- goto fail;
- if (c != '.')
- *p++ = c;
- }
- else if (escape == 1)
- {
- escape = 0, buf = 0;
- switch (c)
- {
- case '0': escape = 8; break;
- case 'u': escape = 16; break;
- default: *p++ = c; break;
- }
- }
- else if (c == '\\')
- escape = 1;
- else if (c != '\"')
- *p++ = c;
- }
+ while ((c = *string++))
+ if (r(escape == 8, '0', '7')) buf = (buf << 3) | (c & 15);
+ else if (r(escape == 16, '0', '9')) buf = (buf << 4) | (c & 15);
+ else if (r(escape == 16, 'a', 'f')) buf = (buf << 4) | ((c & 15) + 9);
+ else if (r(escape == 16, 'A', 'F')) buf = (buf << 4) | ((c & 15) + 9);
+ else if (escape > 1)
+ {
+ escape = 0;
+ fail_if ((p = encode_utf8(p, buf), p == NULL));
+ if (c != '.')
+ *p++ = c;
+ }
+ else if (escape == 1)
+ {
+ escape = 0, buf = 0;
+ switch (c)
+ {
+ case '0': escape = 8; break;
+ case 'u': escape = 16; break;
+ default: *p++ = c; break;
+ }
+ }
+ else if (c == '\\') escape = 1;
+ else if (c != '\"') *p++ = c;
*p = '\0';
return rc;
- fail:
+ pfail:
free(rc);
return NULL;
#undef r