From b05139b2dc1f52690fb30f0734ef38716a87303d Mon Sep 17 00:00:00 2001
From: Stephen Kelly <stephen.kelly@kdab.com>
Date: Thu, 8 Mar 2012 21:34:14 +0100
Subject: Add an overload to Moc to allow reading from a QIODevice.

This allows external code to provide the input data, such
as a bootstrapped version of qdbuscpp2xml.

Change-Id: I163062efc6495b3ab92573f94523967a67601191
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
---
 src/tools/moc/preprocessor.cpp | 9 +++++++--
 src/tools/moc/preprocessor.h   | 2 ++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/tools/moc/preprocessor.cpp b/src/tools/moc/preprocessor.cpp
index 07986a71e6..696b32c728 100644
--- a/src/tools/moc/preprocessor.cpp
+++ b/src/tools/moc/preprocessor.cpp
@@ -937,10 +937,15 @@ Symbols Preprocessor::preprocessed(const QByteArray &filename, FILE *file)
 {
     QFile qfile;
     qfile.open(file, QFile::ReadOnly);
-    QByteArray input = qfile.readAll();
+    return preprocessed(filename, &qfile);
+}
+
+Symbols Preprocessor::preprocessed(const QByteArray &filename, QIODevice *file)
+{
+    QByteArray input = file->readAll();
     if (input.isEmpty())
         return symbols;
-    
+
     // phase 1: get rid of backslash-newlines
     input = cleaned(input);
 
diff --git a/src/tools/moc/preprocessor.h b/src/tools/moc/preprocessor.h
index e0707da4ee..4e0bd6343d 100644
--- a/src/tools/moc/preprocessor.h
+++ b/src/tools/moc/preprocessor.h
@@ -62,6 +62,7 @@ typedef SubArray MacroName;
 typedef QHash<MacroName, Macro> Macros;
 typedef QVector<MacroName> MacroSafeSet;
 
+class QIODevice;
 
 class Preprocessor : public Parser
 {
@@ -80,6 +81,7 @@ public:
     QSet<QByteArray> preprocessedIncludes;
     Macros macros;
     Symbols preprocessed(const QByteArray &filename, FILE *file);
+    Symbols preprocessed(const QByteArray &filename, QIODevice *device);
 
 
     void skipUntilEndif();
-- 
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