From 882d7123a7999da34a478128fcf6efb222923c5f Mon Sep 17 00:00:00 2001
From: Scott Cantor <cantor.2@osu.edu>
Date: Mon, 23 Jan 2012 21:46:32 +0000
Subject: [PATCH] Add cache file type to path resolver

---
 xmltooling/util/PathResolver.cpp | 16 ++++++++++++++++
 xmltooling/util/PathResolver.h   | 13 +++++++++++--
 2 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/xmltooling/util/PathResolver.cpp b/xmltooling/util/PathResolver.cpp
index e241b14..0277e0b 100644
--- a/xmltooling/util/PathResolver.cpp
+++ b/xmltooling/util/PathResolver.cpp
@@ -38,6 +38,7 @@ PathResolver::PathResolver() : m_defaultPackage(PACKAGE_NAME), m_defaultPrefix("
     setXMLDir("/usr/share/xml");
     setRunDir("/var/run");
     setCfgDir("/etc");
+    setCacheDir("/var/cache");
 }
 
 PathResolver::~PathResolver()
@@ -79,6 +80,11 @@ void PathResolver::setCfgDir(const char* dir)
     m_cfg = dir;
 }
 
+void PathResolver::setCacheDir(const char* dir)
+{
+    m_cache = dir;
+}
+
 bool PathResolver::isAbsolute(const char* s) const
 {
     switch (*s) {
@@ -139,6 +145,16 @@ const string& PathResolver::resolve(string& s, file_type_t filetype, const char*
                 }
                 break;
 
+            case XMLTOOLING_CACHE_FILE:
+                s = m_cache + '/' + (pkgname ? pkgname : m_defaultPackage) + '/' + s;
+                if (!isAbsolute(m_cache.c_str())) {
+                    if (prefix || m_defaultPrefix != "/usr")
+                        s = string(prefix ? prefix : m_defaultPrefix) + '/' + s;
+                    else
+                        s = string("/") + s;
+                }
+                break;
+
             default:
                 throw XMLToolingException("Unknown file type to resolve.");
         }
diff --git a/xmltooling/util/PathResolver.h b/xmltooling/util/PathResolver.h
index afafb80..3bfb07e 100644
--- a/xmltooling/util/PathResolver.h
+++ b/xmltooling/util/PathResolver.h
@@ -48,7 +48,8 @@ namespace xmltooling {
             XMLTOOLING_LOG_FILE,
             XMLTOOLING_XML_FILE,
             XMLTOOLING_RUN_FILE,
-            XMLTOOLING_CFG_FILE
+            XMLTOOLING_CFG_FILE,
+            XMLTOOLING_CACHE_FILE
         };
 
         /**
@@ -106,6 +107,14 @@ namespace xmltooling {
         virtual void setCfgDir(const char* dir);
 
         /**
+         * Set the cache directory to use when resolving files.
+         * <p>If relative, the default prefix will be prepended.
+         *
+         * @param dir    the cache directory to use
+         */
+        virtual void setCacheDir(const char* dir);
+
+        /**
          * Changes the input filename into an absolute pathname to the same file.
          *
          * @param s         filename to resolve
@@ -120,7 +129,7 @@ namespace xmltooling {
     private:
         bool isAbsolute(const char* s) const;
 
-        std::string m_defaultPackage,m_defaultPrefix,m_lib,m_log,m_xml,m_run,m_cfg;
+        std::string m_defaultPackage,m_defaultPrefix,m_lib,m_log,m_xml,m_run,m_cfg,m_cache;
     };
 };
 
-- 
2.1.4