[latexila] Use Utils.load_file() (simplify the code)

[SÃbastien Wilmet <swilmet src gnome org>]

commit cb6671e2c4390ee7ea76a07c8985a89f2d76bb05
Author: SÃbastien Wilmet <swilmet src gnome org>
Date:   Sat Mar 10 21:57:32 2012 +0100

    Use Utils.load_file() (simplify the code)

 src/build_tools.vala       |   14 +++++++-------
 src/completion.vala        |   13 +++++++------
 src/most_used_symbols.vala |    8 ++++----
 src/projects.vala          |    8 ++++----
 4 files changed, 22 insertions(+), 21 deletions(-)
---
diff --git a/src/build_tools.vala b/src/build_tools.vala
index 65dd50b..34c4a7a 100644
--- a/src/build_tools.vala
+++ b/src/build_tools.vala
@@ -263,15 +263,15 @@ public class BuildTools
 
         foreach (File file in files)
         {
-            try
-            {
-                if (! file.query_exists ())
-                    continue;
+            if (! file.query_exists ())
+                continue;
 
-                uint8[] chars;
-                file.load_contents (null, out chars, null);
-                string contents = (string) (owned) chars;
+            string? contents = Utils.load_file (file);
+            if (contents == null)
+                continue;
 
+            try
+            {
                 MarkupParser parser =
                     { parser_start, parser_end, parser_text, null, null };
                 MarkupParseContext context =
diff --git a/src/completion.vala b/src/completion.vala
index f89aa17..66da561 100644
--- a/src/completion.vala
+++ b/src/completion.vala
@@ -766,14 +766,15 @@ public class CompletionProvider : GLib.Object, SourceCompletionProvider
         _commands = new Gee.HashMap<string, CompletionCommand?> ();
         _environments = new Gee.HashMap<string, CompletionChoice?> ();
 
-        try
-        {
-            File file = File.new_for_path (Config.DATA_DIR + "/completion.xml");
+        File file = File.new_for_path (
+            Path.build_filename (Config.DATA_DIR, "completion.xml"));
 
-            uint8[] chars;
-            file.load_contents (null, out chars, null);
-            string contents = (string) (owned) chars;
+        string? contents = Utils.load_file (file);
+        if (contents == null)
+            return;
 
+        try
+        {
             MarkupParser parser = { parser_start, parser_end, parser_text, null, null };
             MarkupParseContext context = new MarkupParseContext (parser, 0, this, null);
             context.parse (contents, -1);
diff --git a/src/most_used_symbols.vala b/src/most_used_symbols.vala
index 976aacc..cf30056 100644
--- a/src/most_used_symbols.vala
+++ b/src/most_used_symbols.vala
@@ -45,12 +45,12 @@ public class MostUsedSymbols : GLib.Object
         if (! file.query_exists ())
             return;
 
+        string? contents = Utils.load_file (file);
+        if (contents == null)
+            return;
+
         try
         {
-            uint8[] chars;
-            file.load_contents (null, out chars, null);
-            string contents = (string) (owned) chars;
-
             MarkupParser parser = { parser_start, null, null, null, null };
             MarkupParseContext context = new MarkupParseContext (parser, 0, this, null);
             context.parse (contents, -1);
diff --git a/src/projects.vala b/src/projects.vala
index 32512a6..4f74682 100644
--- a/src/projects.vala
+++ b/src/projects.vala
@@ -41,12 +41,12 @@ public class Projects
         if (! file.query_exists ())
             return;
 
+        string? contents = Utils.load_file (file);
+        if (contents == null)
+            return;
+
         try
         {
-            uint8[] chars;
-            file.load_contents (null, out chars, null);
-            string contents = (string) (owned) chars;
-
             MarkupParser parser = { parser_start, null, null, null, null };
             MarkupParseContext context = new MarkupParseContext (parser, 0, this, null);
             context.parse (contents, -1);