[PATCHv2] vcs-svn: use switch rather than cascading ifs

[David Barr <david.barr@cordelta.com>]

In the spirit of the last two changes:
Switch on length and use constcmp for parsing headers with restricted values.

Signed-off-by: David Barr <david.barr@cordelta.com>
---

 Silly me, the last version didn't even compile.

 vcs-svn/svndump.c |   39 +++++++++++++++++++++++++++++----------
 1 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index f03e8cf..ccf2520 100644
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -350,25 +350,44 @@ void svndump_read(const char *url)
 			}
 			if (constcmp(t + strlen("Node-"), "kind"))
 				continue;
-			if (!strcmp(val, "dir"))
+			switch (strlen(val) + 1) {
+			case sizeof("dir"):
+				if (constcmp(val, "dir"))
+					break;
 				node_ctx.type = REPO_MODE_DIR;
-			else if (!strcmp(val, "file"))
+				break;
+			case sizeof("file"):
+				if (constcmp(val, "file"))
+					break;
 				node_ctx.type = REPO_MODE_BLB;
-			else
+				break;
+			default:
 				fprintf(stderr, "Unknown node-kind: %s\n", val);
+			}
 			break;
 		case sizeof("Node-action"):
 			if (constcmp(t, "Node-action"))
 				continue;
-			if (!strcmp(val, "delete")) {
-				node_ctx.action = NODEACT_DELETE;
-			} else if (!strcmp(val, "add")) {
+			switch (strlen(val) + 1) {
+			case sizeof("add"):
+				if (constcmp(val, "add"))
+					break;
 				node_ctx.action = NODEACT_ADD;
-			} else if (!strcmp(val, "change")) {
-				node_ctx.action = NODEACT_CHANGE;
-			} else if (!strcmp(val, "replace")) {
+				break;
+			case sizeof("change"):
+				if (!constcmp(val, "change")) {
+					node_ctx.action = NODEACT_CHANGE;
+					break;
+				}
+				if (!constcmp(val, "delete")) {
+					node_ctx.action = NODEACT_DELETE;
+					break;
+				}
+				if (constcmp(val, "replace"))
+					break;
 				node_ctx.action = NODEACT_REPLACE;
-			} else {
+				break;
+			default:
 				fprintf(stderr, "Unknown node-action: %s\n", val);
 				node_ctx.action = NODEACT_UNKNOWN;
 			}
-- 
1.7.3.2.846.gf4b062