/*
* Copyright (C) 2013-2014 Intel Corporation.
- *
+ *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
- * José Bollo <jose.bollo@open.eurogiciel.org>
- * Stéphane Desneux <stephane.desneux@open.eurogiciel.org>
- * Jean-Benoit Martin <jean-benoit.martin@open.eurogiciel.org>
+ * José Bollo <jose.bollo@open.eurogiciel.org>
+ * Stéphane Desneux <stephane.desneux@open.eurogiciel.org>
+ * Jean-Benoit Martin <jean-benoit.martin@open.eurogiciel.org>
*
*/
#define _GNU_SOURCE
#include "parser.h"
#ifndef MINIMUM_DATA_SIZE
-# define MINIMUM_DATA_SIZE 128
+# define MINIMUM_DATA_SIZE 128
#endif
#ifndef DEFAULT_MAXIMUM_DATA_SIZE
-# define DEFAULT_MAXIMUM_DATA_SIZE 32768
+# define DEFAULT_MAXIMUM_DATA_SIZE 32768
#endif
#ifndef _
# define _(x) x
#endif
-int parse_utf8_config( struct parsing *parsing)
+int parse_utf8_config(struct parsing *parsing)
{
- char c, q, acc, overflow, escape;
- char *bdata;
- const char *value, *head, *end, *skey, *svar, *bvar;
- size_t lkey, lvar, ldata, datasz;
- int errors;
-
-#define iskeybeg(x) (isalpha(x)||(x)=='_')
-#define iskey(x) (isalnum(x)||(x)=='_')
-#define atend ((head-end) >= 0)
-
-#define pos(x) ((size_t)((x)-parsing->buffer))
-#define error(p,x) do{ errors++; \
- if(parsing->error \
- && !parsing->error(parsing,pos(p),x)) \
- goto stop; \
- }while(0)
-
- /* alloc data buffer */
- datasz = parsing->maximum_data_size;
- if (datasz == 0)
- datasz = DEFAULT_MAXIMUM_DATA_SIZE;
- else if (datasz < MINIMUM_DATA_SIZE)
- datasz = MINIMUM_DATA_SIZE;
- bdata = alloca(datasz);
-
- /* init */
- escape = parsing->should_escape ? 1 : 0;
- errors = 0;
- head = parsing->buffer;
- end = head + parsing->length;
- goto initial;
+ char c, q, acc, overflow, escape;
+ char *bdata;
+ const char *value, *head, *end, *skey, *svar, *bvar;
+ size_t lkey, lvar, ldata, datasz;
+ int errors;
+
+#define iskeybeg(x) (isalpha(x) || (x) == '_')
+#define iskey(x) (isalnum(x) || (x) == '_')
+#define atend ((head-end) >= 0)
+
+#define pos(x) ((size_t)((x)-parsing->buffer))
+#define error(p, x) do { errors++; \
+ if (parsing->error \
+ && !parsing->error(parsing, pos(p), x)) \
+ goto stop; \
+ } while (0)
+
+ /* alloc data buffer */
+ datasz = parsing->maximum_data_size;
+ if (datasz == 0)
+ datasz = DEFAULT_MAXIMUM_DATA_SIZE;
+ else if (datasz < MINIMUM_DATA_SIZE)
+ datasz = MINIMUM_DATA_SIZE;
+ bdata = alloca(datasz);
+
+ /* init */
+ escape = parsing->should_escape ? 1 : 0;
+ errors = 0;
+ head = parsing->buffer;
+ end = head + parsing->length;
+ goto initial;
next_initial:
- head++;
+ head++;
initial: /* expecting key, comment or ??? */
- if (atend)
- goto end_ok;
+ if (atend)
+ goto end_ok;
- c = *head;
+ c = *head;
- if (iskeybeg(c)) {
- skey = head;
- goto key;
- }
+ if (iskeybeg(c)) {
+ skey = head;
+ goto key;
+ }
- if (c == '#')
- goto comment;
+ if (c == '#')
+ goto comment;
- if (!isspace(c))
- error(head,_("unexpected character while looking to a key start"));
+ if (!isspace(c))
+ error(head, _("unexpected character while looking to a key start"));
- goto next_initial;
+ goto next_initial;
comment: /* skipping a comment */
- head++;
- if (atend)
- goto end_ok;
- c = *head;
- if (c == '\n')
- goto next_initial;
- goto comment;
+ head++;
+ if (atend)
+ goto end_ok;
+ c = *head;
+ if (c == '\n')
+ goto next_initial;
+ goto comment;
key: /* reading a key */
- head++;
- if (atend) {
- error(head,_("end in a key"));
- goto stop;
- }
- c = *head;
- if (iskey(c))
- goto key;
- if (c != '=') {
- error(head,_("unexpected character while looking to ="));
- goto next_initial;
- }
- lkey = head - skey;
- overflow = ldata = 0;
- q = 0;
- goto next_value;
+ head++;
+ if (atend) {
+ error(head, _("end in a key"));
+ goto stop;
+ }
+ c = *head;
+ if (iskey(c))
+ goto key;
+ if (c != '=') {
+ error(head, _("unexpected character while looking to ="));
+ goto next_initial;
+ }
+ lkey = head - skey;
+ overflow = ldata = 0;
+ q = 0;
+ goto next_value;
escapable:
- if (escape && ldata < datasz)
- bdata[ldata++] = '\\';
+ if (escape && ldata < datasz)
+ bdata[ldata++] = '\\';
add_value: /* add the current char to data */
- if (ldata < datasz)
- bdata[ldata++] = c;
- else
- overflow = 1;
+ if (ldata < datasz)
+ bdata[ldata++] = c;
+ else
+ overflow = 1;
next_value:
- head++;
+ head++;
value: /* reading the value */
- if (atend) {
- /* end in the value */
- if (!q)
- goto end_of_value;
-
- error(head,_("end in quoted value"));
- goto stop;
- }
-
- c = *head;
- switch (c) {
-
- case '\\':
- if (q == '\'')
- goto escapable;
- ++head;
- if (atend) {
- error(head,_("end after escape char"));
- goto stop;
- }
- c = *head;
- goto escapable;
-
- case '\'':
- if (q == '"')
- goto escapable;
- q = q ^ c;
- goto next_value;
-
- case '"':
- if (q == '\'')
- goto escapable;
- q = q ^ c;
- goto next_value;
-
- case '$':
- if (q == '\'')
- goto escapable;
-
- /* begin of a variable, just after $ */
- bvar = head++;
- if (atend) {
- error(head,_("end after $"));
- goto stop;
- }
- c = *head;
- acc = c;
- if (c == '{') {
- ++head;
- if (atend) {
- error(head,_("end after ${"));
- goto stop;
- }
- c = *head;
- }
- if (!iskeybeg(c)) {
- error(head,_("invalid character after $ or ${"));
- goto value;
- }
- svar = head;
- goto variable;
-
- default:
- if (q || !isspace(c))
- goto add_value;
-
- goto end_of_value;
- }
+ if (atend) {
+ /* end in the value */
+ if (!q)
+ goto end_of_value;
+
+ error(head, _("end in quoted value"));
+ goto stop;
+ }
+
+ c = *head;
+ switch (c) {
+
+ case '\\':
+ if (q == '\'')
+ goto escapable;
+ ++head;
+ if (atend) {
+ error(head, _("end after escape char"));
+ goto stop;
+ }
+ c = *head;
+ goto escapable;
+
+ case '\'':
+ if (q == '"')
+ goto escapable;
+ q = q ^ c;
+ goto next_value;
+
+ case '"':
+ if (q == '\'')
+ goto escapable;
+ q = q ^ c;
+ goto next_value;
+
+ case '$':
+ if (q == '\'')
+ goto escapable;
+
+ /* begin of a variable, just after $ */
+ bvar = head++;
+ if (atend) {
+ error(head, _("end after $"));
+ goto stop;
+ }
+ c = *head;
+ acc = c;
+ if (c == '{') {
+ ++head;
+ if (atend) {
+ error(head, _("end after ${"));
+ goto stop;
+ }
+ c = *head;
+ }
+ if (!iskeybeg(c)) {
+ error(head, _("invalid character after $ or ${"));
+ goto value;
+ }
+ svar = head;
+ goto variable;
+
+ default:
+ if (q || !isspace(c))
+ goto add_value;
+
+ goto end_of_value;
+ }
end_of_value: /* end of the value */
- if (overflow)
- error(head,_("value too big"));
- else if (parsing->put)
- parsing->put( parsing, skey, lkey, bdata, ldata, pos(skey), pos(head));
- if (atend)
- goto initial;
- goto next_initial;
+ if (overflow)
+ error(head, _("value too big"));
+ else if (parsing->put)
+ parsing->put(parsing, skey, lkey, bdata, ldata, pos(skey), pos(head));
+ if (atend)
+ goto initial;
+ goto next_initial;
variable: /* read a variable */
- ++head;
- if (atend) {
- if (acc == '{')
- error(head,_("unmatched pair { }"));
- lvar = head - svar;
- }
- else {
- c = *head;
- if (iskey(c))
- goto variable;
- lvar = head - svar;
- if (acc == '{') {
- if (c == '}')
- ++head;
- else
- error(head,_("unmatched pair { }"));
- }
- }
- if (parsing->get) {
- value = parsing->get( parsing, svar,lvar,pos(bvar),pos(head));
- if (value == NULL)
- error(bvar,_("no value for the variable"));
- else {
- while (*value) {
- if (ldata < datasz)
- bdata[ldata++] = *value++;
- else {
- overflow = 1;
- break;
- }
- }
- }
- }
- goto value;
+ ++head;
+ if (atend) {
+ if (acc == '{')
+ error(head, _("unmatched pair { }"));
+ lvar = head - svar;
+ } else {
+ c = *head;
+ if (iskey(c))
+ goto variable;
+ lvar = head - svar;
+ if (acc == '{') {
+ if (c == '}')
+ ++head;
+ else
+ error(head, _("unmatched pair { }"));
+ }
+ }
+ if (parsing->get) {
+ value = parsing->get(parsing, svar, lvar, pos(bvar), pos(head));
+ if (value == NULL)
+ error(bvar, _("no value for the variable"));
+ else {
+ while (*value) {
+ if (ldata < datasz)
+ bdata[ldata++] = *value++;
+ else {
+ overflow = 1;
+ break;
+ }
+ }
+ }
+ }
+ goto value;
stop:
end_ok:
- return -errors;
-
+ return -errors;
+
#undef error
#undef pos
#undef atend
}
void parse_utf8_info(
- struct parsing *parsing,
- struct parsinfo *info,
- size_t pos
+ struct parsing *parsing,
+ struct parsinfo *info,
+ size_t pos
)
{
- const char *buf, *begin, *end;
- size_t length;
- int lino, colno;
-
- /* init */
- lino = 1, colno = 1;
- buf = begin = end = parsing->buffer;
- length = parsing->length;
- if (length < pos)
- pos = length;
-
- /* search the begin of the line */
- while ((end - buf) != pos) {
- /* dealing utf8 */
- colno += ((*end & '\xc0') != '\x80');
- /* dealing with lines */
- if(*end++ == '\n') {
- begin = end;
- lino++;
- colno = 1;
- }
- }
-
- /* search the end of the line */
- while ((end - buf) < length && *end != '\n')
- end++;
-
- /* record computed values */
- info->begin = begin;
- info->end = end;
- info->length = end - begin;
- info->lino = lino;
- info->colno = colno;
+ const char *buf, *begin, *end;
+ size_t length;
+ int lino, colno;
+
+ /* init */
+ lino = 1, colno = 1;
+ buf = begin = end = parsing->buffer;
+ length = parsing->length;
+ if (length < pos)
+ pos = length;
+
+ /* search the begin of the line */
+ while ((end - buf) != pos) {
+ /* dealing utf8 */
+ colno += ((*end & '\xc0') != '\x80');
+ /* dealing with lines */
+ if (*end++ == '\n') {
+ begin = end;
+ lino++;
+ colno = 1;
+ }
+ }
+
+ /* search the end of the line */
+ while ((end - buf) < length && *end != '\n')
+ end++;
+
+ /* record computed values */
+ info->begin = begin;
+ info->end = end;
+ info->length = end - begin;
+ info->lino = lino;
+ info->colno = colno;
}
projects / platform / core / system / tizen-platform-config.git / blobdiff