X-Git-Url: https://pd.if.org/git/?p=zpackage;a=blobdiff_plain;f=lib%2Fparse.c;h=2451e3f007b332a9b49926313fa75c31c0020f7a;hp=5009c01bff3decc5964459457dcd795d3bb6aed8;hb=b0c5db32f5f53b5d43170756668e0c0387a88f13;hpb=e0214f50fcf9ed0fdcdca444986fc998db5d0dee

diff --git a/lib/parse.c b/lib/parse.c
index 5009c01..2451e3f 100644
--- a/lib/parse.c
+++ b/lib/parse.c
@@ -7,10 +7,81 @@
 
 #include "zpm.h"
 
-#include "sqlite3.h"
-
 #define DMARK fprintf(stderr, "mark %s %s:%d\n", __FILE__, __func__, __LINE__)
 
+int zpm_parse_version(const char *pstr, struct zpm_version_info *info) {
+	int cur = 0, ch;
+
+	info->verstr = pstr;
+	info->name = 0;
+	info->namelen = 0;
+	info->version = 0;
+	info->verlen = 0;
+	info->release = -1;
+	info->rellen = 0;
+	info->relstr = 0;
+
+	if (!pstr) {
+		return 0;
+	}
+
+	/* skip leading whitespace */
+	while (isspace(pstr[cur])) {
+		cur++;
+	}
+
+	/* get the name, if any */
+	if (isalpha(pstr[cur])) {
+		info->name = pstr + cur;
+		for (ch = pstr[cur]; ch; ch = pstr[++cur]) {
+			if (ch == '-') {
+				if (isdigit(pstr[cur+1])) {
+					break;
+				}
+			}
+			if (!isgraph(ch)) {
+				break;
+			}
+			info->namelen++;
+		}
+	}
+
+	while (pstr[cur] == '-') {
+		cur++;
+	}
+
+	/* should be pointing at a digit.  if not, we're done */
+	if (isdigit(pstr[cur])) {
+		info->version = pstr + cur;
+		for (ch = pstr[cur]; ch; ch = pstr[++cur]) {
+			if (ch == '-') {
+				break;
+			}
+			if (!isgraph(ch)) {
+				break;
+			}
+			info->verlen++;
+		}
+	}
+
+	while (pstr[cur] == '-') {
+		cur++;
+	}
+
+	if (isdigit(pstr[cur])) {
+		info->relstr = pstr + cur;
+		while (isdigit(pstr[cur++])) {
+			info->rellen++;
+		}
+	}
+
+	if (info->relstr) {
+		info->release = atoi(info->relstr);
+	}
+
+	return info->namelen || info->verlen || info->rellen;
+}
+
 int zpm_parse_package(char *pstr, char *name, char *ver, int *rel) {
 	if (name) *name = 0;
 	if (ver) *ver = 0;