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[PATCH 14/15] vcs-svn: Sharpen parsing of property lines

From
Jonathan Nieder <jrnieder@gmail.com>
Date
Nov 20, 2010, 00:54 UTC
Message-ID
<20101120005444.GO17445@burratino>
In-Reply-To
<20101120004525.GA17445@burratino>

Prepare to add a new type of property line (the 'D' line) to handle property deltas.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
---
 vcs-svn/svndump.c |   30 +++++++++++++++++++-----------
 1 files changed, 19 insertions(+), 11 deletions(-)
diff --git a/vcs-svn/svndump.c b/vcs-svn/svndump.c
index 3acc36c..c3e1e32 100644
--- a/vcs-svn/svndump.c
+++ b/vcs-svn/svndump.c
@@ -134,21 +134,29 @@ static void handle_property(uint32_t key, const char *val, uint32_t len)
 
 static void read_props(void)
 {
-	uint32_t len;
 	uint32_t key = ~0;
-	char *val = NULL;
-	char *t;
+	const char *t;
 	while ((t = buffer_read_line()) && strcmp(t, "PROPS-END")) {
-		if (!strncmp(t, "K ", 2)) {
-			len = atoi(&t[2]);
-			key = pool_intern(buffer_read_string(len));
-			buffer_read_line();
-		} else if (!strncmp(t, "V ", 2)) {
-			len = atoi(&t[2]);
-			val = buffer_read_string(len);
+		uint32_t len;
+		const char *val;
+		const char type = t[0];
+
+		if (!type || t[1] != ' ')
+			die("invalid property line: %s\n", t);
+		len = atoi(&t[2]);
+		val = buffer_read_string(len);
+		buffer_skip_bytes(1);	/* Discard trailing newline. */
+
+		switch (type) {
+		case 'K':
+			key = pool_intern(val);
+			continue;
+		case 'V':
 			handle_property(key, val, len);
 			key = ~0;
-			buffer_read_line();
+			continue;
+		default:
+			die("invalid property line: %s\n", t);
 		}
 	}
 }
-- 
1.7.2.3
Previous: Jonathan NiederNext: Jonathan Nieder
Message 24 of 40 in “svn-fe: recognize v3 dumps”
  1. 0/2 svn-fe: recognize v3 dumpsJonathan Nieder, Nov 18, 2010
  2. 1/2 vcs-svn: Error out for v3 dumpsJonathan Nieder, Nov 18, 2010
  3. 2/2 vcs-svn: Allow simple v3 dumps (no deltas yet)Jonathan Nieder, Nov 18, 2010
  4. 0/15 svn-fe: support for property deltas (but not text deltas yet)Jonathan Nieder, Nov 20, 2010
  5. 01/15 vcs-svn: Check for errors from open()Jonathan Nieder, Nov 20, 2010
  6. 02/15 vcs-svn: Eliminate node_ctx.srcRev globalJonathan Nieder, Nov 20, 2010
  7. 03/15 vcs-svn: Eliminate node_ctx.mark globalJonathan Nieder, Nov 20, 2010
  8. 04/15 vcs-svn: Unclutter handle_node by introducing have_props varJonathan Nieder, Nov 20, 2010
  9. 05/15 vcs-svn: Use mark to indicate nodes with included textJonathan Nieder, Nov 20, 2010
  10. 06/15 vcs-svn: handle_node: Handle deletion case earlyJonathan Nieder, Nov 20, 2010
  11. 07/15 vcs-svn: Replace = Delete + AddJonathan Nieder, Nov 20, 2010
  12. 08/15 vcs-svn: Combine repo_replace and repo_modify functionsJonathan Nieder, Nov 20, 2010
  13. 09/15 vcs-svn: Delay read of per-path propertiesJonathan Nieder, Nov 20, 2010
  14. 10/15 vcs-svn: Reject path nodes without Node-actionJonathan Nieder, Nov 20, 2010
  15. Jonathan NiederNov 20, 2010
  16. 11/15 vcs-svn: More dump format sanity checksJonathan Nieder, Nov 20, 2010
  17. Jonathan NiederNov 30, 2010
  18. 0/2 intermittent repo_tree corruptionJonathan Nieder, Dec 5, 2010
  19. 1/2 treap: make treap_insert return inserted nodeJonathan Nieder, Dec 5, 2010
  20. vcs-svn: Allow change nodes for root of tree (/)Jonathan Nieder, Dec 6, 2010
  21. Jonathan NiederDec 6, 2010
  22. 12/15 vcs-svn: Make source easier to read on small screensJonathan Nieder, Nov 20, 2010
  23. 13/15 vcs-svn: Split off function for handling of individual propertiesJonathan Nieder, Nov 20, 2010
  24. 14/15 vcs-svn: Sharpen parsing of property linesJonathan Nieder, Nov 20, 2010
  25. 15/15 vcs-svn: Implement Prop-delta handlingJonathan Nieder, Nov 20, 2010
  26. 0/8 svn-fe: support for text deltasJonathan Nieder, Nov 20, 2010
  27. 1/8 svn-fe: Prepare for strbuf useJonathan Nieder, Nov 20, 2010
  28. 2/8 vcs-svn: Internal fast_export_save_blob helperJonathan Nieder, Nov 20, 2010
  29. 3/8 vcs-svn: Introduce repo_read_path to check the content at a pathJonathan Nieder, Nov 20, 2010
  30. Jonathan NiederMar 6, 2011
  31. 4/8 vcs-svn: Introduce fd_buffer routinesJonathan Nieder, Nov 20, 2010
  32. 5/8 vcs-svn: Read delta preimage from file descriptorJonathan Nieder, Nov 20, 2010
  33. 6/8 vcs-svn: Let caller set up sliding window for delta preimageJonathan Nieder, Nov 20, 2010
  34. Jonathan NiederNov 20, 2010
  35. 7/8 vcs-svn: Teach line_buffer about temporary filesJonathan Nieder, Nov 20, 2010
  36. 8/8 vcs-svn: Implement text-delta handlingJonathan Nieder, Nov 20, 2010
  37. 10/8 vcs-svn: Consume whole preimage when applying deltasJonathan Nieder, Dec 4, 2010
  38. 9/8 svn-fe: Test script for handling of dumps with --deltasJonathan Nieder, Nov 20, 2010
  39. Jonathan NiederDec 4, 2010
  40. 2/2 vcs-svn: fix intermittent repo_tree corruptionJonathan Nieder, Dec 5, 2010

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