From 2fe424644a03dc2cc830874c2efb4f73daaada51 Mon Sep 17 00:00:00 2001
From: Rodrigo Braz Monteiro <zeratul@cellosoft.com>
Date: Wed, 20 Jun 2007 21:08:31 +0000
Subject: [PATCH] Standard paths semi-operational, and font caching (for ft2
 retrieval engine) working.

Originally committed to SVN as r1274.
---
 aegisub/dialog_fonts_collector.cpp |  2 +-
 aegisub/font_file_lister.cpp       | 58 ++++++++++++++++++++++++++++--
 aegisub/standard_paths.cpp         | 43 ++++++++++++++++++----
 3 files changed, 94 insertions(+), 9 deletions(-)

diff --git a/aegisub/dialog_fonts_collector.cpp b/aegisub/dialog_fonts_collector.cpp
index 88194fd8b..7d511faf5 100644
--- a/aegisub/dialog_fonts_collector.cpp
+++ b/aegisub/dialog_fonts_collector.cpp
@@ -370,7 +370,7 @@ void FontsCollectorThread::Collect() {
 	}
 
 	// Collect font data
-	AppendText(_("Collecting font data from system... "));
+	AppendText(_("Collecting font data from system. This might take a while, depending on the number of fonts installed. Results are cached and subsequent executions will be faster... "));
 	CollectFontData();
 	AppendText(_("done.\n\nScanning file for fonts..."));
 
diff --git a/aegisub/font_file_lister.cpp b/aegisub/font_file_lister.cpp
index 646c50812..a9364441b 100644
--- a/aegisub/font_file_lister.cpp
+++ b/aegisub/font_file_lister.cpp
@@ -40,6 +40,7 @@
 ////////////
 // Includes
 #include <wx/dir.h>
+#include <wx/tokenzr.h>
 #ifdef WIN32
 #include <ft2build.h>
 #include FT_FREETYPE_H
@@ -50,6 +51,7 @@
 #include "font_file_lister.h"
 #include "text_file_writer.h"
 #include "text_file_reader.h"
+#include "standard_paths.h"
 
 
 ////////////////////
@@ -111,6 +113,9 @@ void FontFileLister::DoClearData() {
 void FontFileLister::DoGatherData() {
 #ifdef WIN32
 
+	// Load cache
+	LoadCache();
+
 	// Get fonts folder
 	wxString source;
 	TCHAR szPath[MAX_PATH];
@@ -143,6 +148,9 @@ void FontFileLister::DoGatherData() {
 		}
 	}
 
+	// Save cache
+	SaveCache();
+
 #else
 
 	// TODO: implement fconfig
@@ -176,12 +184,58 @@ bool FontFileLister::IsFilenameCached(wxString filename) {
 //////////////
 // Save cache
 void FontFileLister::SaveCache() {
-	// TODO
+	try {
+		// Open file
+		TextFileWriter file(StandardPaths::DecodePath(_T("?user/fontcache.dat")));
+
+		// For each face...
+		for (FontMap::iterator iter = fontTable.begin();iter!=fontTable.end();iter++) {
+			// Write face name
+			wxString line = iter->first + _T("?");
+			size_t len = iter->second.Count();
+
+			// Write file names
+			for (size_t i=0;i<len;i++) {
+				line += iter->second[i];
+				if (i != len-1) line += _T("|");
+			}
+
+			// Write line
+			file.WriteLineToFile(line);
+		}
+	}
+	catch (...) {
+	}
 }
 
 
 //////////////
 // Load cache
 void FontFileLister::LoadCache() {
-	// TODO
+	try {
+		// Load cache
+		TextFileReader file(StandardPaths::DecodePath(_T("?user/fontcache.dat")));
+
+		// Read each line
+		while (file.HasMoreLines()) {
+			// Read line
+			wxString line = file.ReadLineFromFile();
+			int pos = line.Find(_T('?'));
+
+			// Get face name
+			wxString face = line.Left(pos);
+			if (face.IsEmpty()) continue;
+
+			// Get files
+			wxStringTokenizer tkn(line.Mid(pos+1),_T("|"));
+			while (tkn.HasMoreTokens()) {
+				wxString file = tkn.GetNextToken();
+				if (!file.IsEmpty()) {
+					AddFont(file,face);
+				}
+			}
+		}
+	}
+	catch (...) {
+	}
 }
diff --git a/aegisub/standard_paths.cpp b/aegisub/standard_paths.cpp
index ee08f15b4..cbc4f33f4 100644
--- a/aegisub/standard_paths.cpp
+++ b/aegisub/standard_paths.cpp
@@ -37,6 +37,7 @@
 ///////////
 // Headers
 #include <wx/stdpaths.h>
+#include <wx/filename.h>
 #include "standard_paths.h"
 
 
@@ -51,10 +52,23 @@ StandardPaths *StandardPaths::GetInstance() {
 ///////////////
 // Constructor
 StandardPaths::StandardPaths() {
-	wxFileName aegiPath(wxStandardPaths::Get().GetExecutablePath());
-	SetPathValue(_T("?install"),aegiPath.GetPath());
-	SetPathValue(_T("?user"),wxStandardPaths::Get().GetUserDataDir());
-	SetPathValue(_T("?temp"),wxStandardPaths::Get().GetTempDir());
+	// Get paths
+	wxString dataDir = wxStandardPaths::Get().GetDataDir();
+	wxString userDir = wxStandardPaths::Get().GetUserDataDir();
+	wxString tempDir = wxStandardPaths::Get().GetTempDir();
+
+	// Set paths
+	DoSetPathValue(_T("?data"),dataDir);
+	DoSetPathValue(_T("?user"),userDir);
+	DoSetPathValue(_T("?temp"),tempDir);
+
+	// Create paths if they don't exist
+	wxFileName folder(dataDir + _T("/"));
+	if (!folder.DirExists()) folder.Mkdir(0777,wxPATH_MKDIR_FULL);
+	folder.Assign(userDir + _T("/"));
+	if (!folder.DirExists()) folder.Mkdir(0777,wxPATH_MKDIR_FULL);
+	folder.Assign(tempDir + _T("/"));
+	if (!folder.DirExists()) folder.Mkdir(0777,wxPATH_MKDIR_FULL);
 }
 
 
@@ -63,8 +77,25 @@ StandardPaths::StandardPaths() {
 wxString StandardPaths::DoDecodePath(wxString path) {
 	// Decode
 	if (path[0] == _T('?')) {
-		// TODO
-		return path;
+		// Split ?part from rest
+		path.Replace(_T("\\"),_T("/"));
+		int pos = path.Find(_T("/"));
+		wxString path1,path2;
+		if (pos == wxNOT_FOUND) path1 = path;
+		else {
+			path1 = path.Left(pos);
+			path2 = path.Mid(pos+1);
+		}
+
+		// Replace ?part if valid
+		std::map<wxString,wxString>::iterator iter = paths.find(path1);
+		if (iter == paths.end()) return path;
+		wxString final = iter->second + _T("/") + path2;
+		final.Replace(_T("//"),_T("/"));
+#ifdef WIN32
+		final.Replace(_T("/"),_T("\\"));
+#endif
+		return final;
 	}
 
 	// Nothing to decode