[vala] Remove trailing whitespace from content in markup reader

[Jürg Billeter <juergbi src gnome org>]

commit ba68965853126361e2a9c5932ff0b5ccee05db1d
Author: Florian Brosch <flo brosch gmail com>
Date:   Sun Aug 8 16:00:37 2010 +0200

    Remove trailing whitespace from content in markup reader

 vala/valamarkupreader.vala |   13 ++++++++++---
 1 files changed, 10 insertions(+), 3 deletions(-)
---
diff --git a/vala/valamarkupreader.vala b/vala/valamarkupreader.vala
index 7805e25..843fba6 100644
--- a/vala/valamarkupreader.vala
+++ b/vala/valamarkupreader.vala
@@ -154,7 +154,7 @@ public class Vala.MarkupReader : Object {
 					}
 					current++;
 
-					string attr_value = text ('"');
+					string attr_value = text ('"', false);
 
 					if (current >= end || current[0] != '"') {
 						// error
@@ -179,7 +179,7 @@ public class Vala.MarkupReader : Object {
 			space ();
 
 			if (current[0] != '<') {
-				content = text ('<');
+				content = text ('<', true);
 			} else {
 				// no text
 				// read next token
@@ -196,7 +196,7 @@ public class Vala.MarkupReader : Object {
 		return type;
 	}
 
-	string text (char end_char) {
+	string text (char end_char, bool rm_trailing_whitespace) {
 		StringBuilder content = new StringBuilder ();
 		char* text_begin = current;
 		char* last_linebreak = current;
@@ -253,6 +253,13 @@ public class Vala.MarkupReader : Object {
 
 		column += (int) (current - last_linebreak);
 
+		// Removes trailing whitespace
+		if (rm_trailing_whitespace) {
+			char* str_pos = ((char*)content.str) + content.len;
+			for (str_pos--; str_pos > ((char*)content.str) && str_pos[0].isspace(); str_pos--);
+			content.erase ((ssize_t) (str_pos-((char*) content.str) + 1), -1);
+		}
+
 		return content.str;
 	}