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-rw-r--r--libopkg/parse_util.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/libopkg/parse_util.c b/libopkg/parse_util.c
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+/* parse_util.c - the opkg package management system
+
+ Copyright (C) 2009 Ubiq Technologies <graham.gower@gmail.com>
+
+ Steven M. Ayer
+ Copyright (C) 2002 Compaq Computer Corporation
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+*/
+
+#include <ctype.h>
+
+#include "opkg_utils.h"
+#include "libbb/libbb.h"
+
+#include "parse_util.h"
+
+int
+is_field(const char *type, const char *line)
+{
+ if (!strncmp(line, type, strlen(type)))
+ return 1;
+ return 0;
+}
+
+char *
+parse_simple(const char *type, const char *line)
+{
+ return trim_xstrdup(line + strlen(type) + 1);
+}
+
+/*
+ * Parse a comma separated string into an array.
+ */
+char **
+parse_list(const char *raw, unsigned int *count, const char sep, int skip_field)
+{
+ char **depends = NULL;
+ const char *start, *end;
+ int line_count = 0;
+
+ /* skip past the "Field:" marker */
+ if (!skip_field) {
+ while (*raw && *raw != ':')
+ raw++;
+ raw++;
+ }
+
+ if (line_is_blank(raw)) {
+ *count = line_count;
+ return NULL;
+ }
+
+ while (*raw) {
+ depends = xrealloc(depends, sizeof(char *) * (line_count + 1));
+
+ while (isspace(*raw))
+ raw++;
+
+ start = raw;
+ while (*raw != sep && *raw)
+ raw++;
+ end = raw;
+
+ while (end > start && isspace(*end))
+ end--;
+
+ if (sep == ' ')
+ end++;
+
+ depends[line_count] = xstrndup(start, end-start);
+
+ line_count++;
+ if (*raw == sep)
+ raw++;
+ }
+
+ *count = line_count;
+ return depends;
+}