From 7edb751727a176f58da886c2424d4840a0a910fd Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 17 Aug 2008 10:08:04 +0000
Subject: [PATCH] Convert all fstreams to IO::Files

---
 source/copy.cpp            | 32 ++++++++----------
 source/dependencycache.cpp | 36 +++++++++++---------
 source/pkgconfigaction.cpp | 69 ++++++++++++++++++--------------------
 source/sourcefile.cpp      | 28 ++++++++++------
 4 files changed, 84 insertions(+), 81 deletions(-)

diff --git a/source/copy.cpp b/source/copy.cpp
index f8c581b..a08085d 100644
--- a/source/copy.cpp
+++ b/source/copy.cpp
@@ -6,11 +6,11 @@ Distributed under the LGPL
 */
 
 #include <errno.h>
-#include <fstream>
 #include <iostream>
 #include <msp/fs/dir.h>
 #include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
+#include <msp/io/file.h>
 #include "builder.h"
 #include "copy.h"
 #include "package.h"
@@ -57,30 +57,26 @@ void Copy::Worker::main()
 		}
 	}
 
-	ifstream in(copy.src.str().c_str());
-	if(!in)
+	try
 	{
-		cerr<<"Can't open "<<copy.src<<" for reading\n";
-		done=error=true;
-		return;
-	}
+		IO::File in(copy.src.str());
+		IO::File out(copy.dest.str(), IO::M_WRITE);
 
-	ofstream out(copy.dest.str().c_str());
-	if(!out)
+		// Actual transfer loop
+		char buf[16384];
+		while(!in.eof())
+		{
+			unsigned len=in.read(buf, sizeof(buf));
+			out.write(buf, len);
+		}
+	}
+	catch(const Exception &e)
 	{
-		cerr<<"Can't open "<<copy.dest<<" for writing\n";
+		cerr<<e.what()<<'\n';
 		done=error=true;
 		return;
 	}
 
-	// Actual transfer loop
-	char buf[16384];
-	while(!in.eof())
-	{
-		in.read(buf, sizeof(buf));
-		out.write(buf, in.gcount());
-	}
-
 	// Preserve file permissions
 	struct stat st=FS::stat(copy.src);
 	chmod(copy.dest.str().c_str(), st.st_mode&0777);
diff --git a/source/dependencycache.cpp b/source/dependencycache.cpp
index 978a0e3..b2ba4e8 100644
--- a/source/dependencycache.cpp
+++ b/source/dependencycache.cpp
@@ -5,8 +5,10 @@ Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
-#include <fstream>
 #include <msp/fs/stat.h>
+#include <msp/io/except.h>
+#include <msp/io/file.h>
+#include <msp/io/print.h>
 #include <msp/strings/utils.h>
 #include "builder.h"
 #include "dependencycache.h"
@@ -44,32 +46,34 @@ void DependencyCache::save() const
 	if(deps.empty() || !changed || package.get_builder().get_dry_run())
 		return;
 
-	ofstream out((package.get_source()/".deps").str().c_str());
-	if(!out)
-		return;
+	IO::BufferedFile out((package.get_source()/".deps").str(), IO::M_WRITE);
 
 	for(DepsMap::const_iterator i=deps.begin(); i!=deps.end(); ++i)
 	{
-		out<<i->first;
+		IO::print(out, i->first);
 		for(StringList::const_iterator j=i->second.begin(); j!=i->second.end(); ++j)
-			out<<'|'<<*j;
-		out<<'\n';
+			IO::print(out, "|%s", *j);
+		IO::print(out, "\n");
 	}
 }
 
 void DependencyCache::load()
 {
 	string fn=(package.get_source()/".deps").str();
-	ifstream in(fn.c_str());
-	if(!in)
-		return;
 
-	string line;
-	while(getline(in, line))
+	try
 	{
-		vector<string> parts=split(line, '|');
-		deps[parts[0]]=StringList(parts.begin()+1, parts.end());
-	}
+		IO::BufferedFile in(fn);
 
-	mtime=Time::TimeStamp::from_unixtime(FS::stat(fn).st_mtime);
+		string line;
+		while(in.getline(line))
+		{
+			vector<string> parts=split(line, '|');
+			deps[parts[0]]=StringList(parts.begin()+1, parts.end());
+		}
+
+		mtime=Time::TimeStamp::from_unixtime(FS::stat(fn).st_mtime);
+	}
+	catch(const IO::FileNotFound &)
+	{ }
 }
diff --git a/source/pkgconfigaction.cpp b/source/pkgconfigaction.cpp
index b5678a9..23684f6 100644
--- a/source/pkgconfigaction.cpp
+++ b/source/pkgconfigaction.cpp
@@ -5,14 +5,16 @@ Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
-#include <fstream>
 #include <iostream>
 #include <msp/fs/utils.h>
+#include <msp/io/file.h>
+#include <msp/io/print.h>
 #include "package.h"
 #include "pkgconfig.h"
 #include "pkgconfigaction.h"
 
 using namespace std;
+using namespace Msp;
 
 PkgConfigAction::PkgConfigAction(Builder &b, const PkgConfig &p):
 	Action(b)
@@ -21,45 +23,40 @@ PkgConfigAction::PkgConfigAction(Builder &b, const PkgConfig &p):
 
 	announce(spkg.get_name(), "PC", relative(p.get_name(), spkg.get_source()).str());
 
-	ofstream out(p.get_name().c_str());
-	if(out)
-	{
-		// Prefix is already included in the various paths
-		//out<<"prefix="<<pkg.get_prefix()<<"\n\n";
-		out<<"source="<<spkg.get_source()<<"\n\n";
+	IO::BufferedFile out(p.get_name(), IO::M_WRITE);
+	// Prefix is already included in the various paths
+	//IO::print(out, "prefix=%s\n", pkg.get_prefix());
+	IO::print(out, "source=%s\n\n", spkg.get_source());
 
-		out<<"Name: "<<spkg.get_name()<<'\n';
-		out<<"Description: "<<spkg.get_description()<<'\n';
-		out<<"Version: "<<spkg.get_version()<<'\n';
+	IO::print(out, "Name: %s\n", spkg.get_name());
+	IO::print(out, "Description: %s\n", spkg.get_description());
+	IO::print(out, "Version: %s\n", spkg.get_version());
 
-		out<<"Requires:";
-		const PackageList &reqs=spkg.get_requires();
-		for(PackageList::const_iterator i=reqs.begin(); i!=reqs.end(); ++i)
-			if((*i)->get_use_pkgconfig())
-				out<<' '<<(*i)->get_name();
-		out<<'\n';
+	IO::print(out, "Requires:");
+	const PackageList &reqs=spkg.get_requires();
+	for(PackageList::const_iterator i=reqs.begin(); i!=reqs.end(); ++i)
+		if((*i)->get_use_pkgconfig())
+			IO::print(out, " %s", (*i)->get_name());
+	out.put('\n');
 
-		const BuildInfo &binfo=spkg.get_exported_binfo();
-		out<<"Libs:";
-		for(StringList::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
-			out<<" -L"<<*i;
-		for(StringList::const_iterator i=binfo.libs.begin(); i!=binfo.libs.end(); ++i)
-			out<<" -l"<<*i;
-		for(StringList::const_iterator i=binfo.ldflags.begin(); i!=binfo.ldflags.end(); ++i)
-			out<<' '<<*i;
-		out<<'\n';
+	const BuildInfo &binfo=spkg.get_exported_binfo();
+	IO::print(out, "Libs:");
+	for(StringList::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
+		IO::print(out, " -L%s", *i);
+	for(StringList::const_iterator i=binfo.libs.begin(); i!=binfo.libs.end(); ++i)
+		IO::print(out, " -l%s", *i);
+	for(StringList::const_iterator i=binfo.ldflags.begin(); i!=binfo.ldflags.end(); ++i)
+		IO::print(out, " %s", *i);
+	out.put('\n');
 
-		out<<"Cflags:";
-		for(StringList::const_iterator i=binfo.incpath.begin(); i!=binfo.incpath.end(); ++i)
-			out<<" -I"<<*i;
-		for(StringList::const_iterator i=binfo.defines.begin(); i!=binfo.defines.end(); ++i)
-			out<<" -D"<<*i;
-		for(StringList::const_iterator i=binfo.cflags.begin(); i!=binfo.cflags.end(); ++i)
-			out<<' '<<*i;
-		out<<'\n';
-	}
-	else
-		cerr<<"Can't open "<<p.get_name()<<" for writing\n";
+	IO::print(out, "Cflags:");
+	for(StringList::const_iterator i=binfo.incpath.begin(); i!=binfo.incpath.end(); ++i)
+		IO::print(out, " -I%s", *i);
+	for(StringList::const_iterator i=binfo.defines.begin(); i!=binfo.defines.end(); ++i)
+		IO::print(out, " -D%s", *i);
+	for(StringList::const_iterator i=binfo.cflags.begin(); i!=binfo.cflags.end(); ++i)
+		IO::print(out, " %s", *i);
+	out.put('\n');
 }
 
 int PkgConfigAction::check()
diff --git a/source/sourcefile.cpp b/source/sourcefile.cpp
index 7041035..cf74356 100644
--- a/source/sourcefile.cpp
+++ b/source/sourcefile.cpp
@@ -5,9 +5,9 @@ Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
-#include <fstream>
 #include <iostream>
 #include <msp/fs/utils.h>
+#include <msp/io/except.h>
 #include <msp/strings/regex.h>
 #include "builder.h"
 #include "component.h"
@@ -48,20 +48,26 @@ void SourceFile::find_depends()
 
 	if(!deps_found)
 	{
-		ifstream in(name.c_str());
-		if(!in) return;
+		try
+		{
+			IO::BufferedFile in(name);
 
-		if(builder.get_verbose()>=4)
-			cout<<"Reading includes from "<<name<<'\n';
+			if(builder.get_verbose()>=4)
+				cout<<"Reading includes from "<<name<<'\n';
 
-		Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
+			Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
 
-		string line;
-		while(getline(in, line))
-			if(RegMatch match=r_include.match(line))
-				includes.push_back(match[1].str);
+			string line;
+			while(in.getline(line))
+				if(RegMatch match=r_include.match(line))
+					includes.push_back(match[1].str);
 
-		deps_cache.set_deps(relname, includes);
+			deps_cache.set_deps(relname, includes);
+		}
+		catch(const IO::FileNotFound &)
+		{
+			return;
+		}
 	}
 
 	const StringList &incpath=comp->get_build_info().incpath;
-- 
2.43.0