From 7fbcc9d3306260fda407111f46b46097f3fa7eca Mon Sep 17 00:00:00 2001
From: louis <louis.braun@gmx.de>
Date: Fri, 10 Oct 2014 15:32:38 +0200
Subject: [PATCH] support for global variables type 'double'

---
 HISTORY                                   |  1 +
 dtd/globals.dtd                           |  2 +-
 libtemplate/globals.h                     |  1 +
 libtemplate/parameter.c                   | 11 +++++++++++
 libtemplate/xmlparser.c                   |  3 +++
 skins/metrixhd/themes/default/globals.xml |  1 +
 6 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/HISTORY b/HISTORY
index 36ebb19..03fae6a 100644
--- a/HISTORY
+++ b/HISTORY
@@ -16,3 +16,4 @@ Version 0.0.2
 - added {durationhours} and {durationminutes} tokens in several view elements
 - added discusage icons to menu header view element so that it discusage can be displayed in every menu view
 - added numeric day, month and year tokens in different view elements
+- support for global variables type "double"
diff --git a/dtd/globals.dtd b/dtd/globals.dtd
index 570fa15..e6246d6 100644
--- a/dtd/globals.dtd
+++ b/dtd/globals.dtd
@@ -13,7 +13,7 @@
 <!ELEMENT var (#PCDATA)>
 <!ATTLIST var
   name NMTOKEN #REQUIRED
-  type (int|string) #REQUIRED>
+  type (int|double|string) #REQUIRED>
 
 <!ELEMENT token (trans)+>
 <!ATTLIST token
diff --git a/libtemplate/globals.h b/libtemplate/globals.h
index f7a959e..eda9ec9 100644
--- a/libtemplate/globals.h
+++ b/libtemplate/globals.h
@@ -27,6 +27,7 @@ public:
     virtual ~cGlobals(void) {};
     map <string, tColor> colors;
     map <string, int> intVars;
+    map <string, double> doubleVars;
     map <string, string> stringVars;
     map <string, string> fonts;
     map <string, map< string, string > > translations;
diff --git a/libtemplate/parameter.c b/libtemplate/parameter.c
index e7dd30a..c646f06 100644
--- a/libtemplate/parameter.c
+++ b/libtemplate/parameter.c
@@ -156,6 +156,17 @@ bool cNumericParameter::CheckExpression(int &val, string &parsedVal) {
                 parsedValue = parsedValue.replace(foundToken, token.size(), st.str());
             }
         }
+        for (map<string, double>::iterator globDouble = globals->doubleVars.begin(); globDouble != globals->doubleVars.end(); globDouble++) {
+            stringstream sToken;
+            sToken << "{" << globDouble->first << "}";
+            string token = sToken.str();
+            size_t foundToken = parsedValue.find(token);
+            if (foundToken != string::npos) {
+                stringstream st;
+                st << globDouble->second;
+                parsedValue = parsedValue.replace(foundToken, token.size(), st.str());
+            }
+        }
     }
 
     if (IsNumber(parsedValue)) {
diff --git a/libtemplate/xmlparser.c b/libtemplate/xmlparser.c
index 8c21ed9..0e2c132 100644
--- a/libtemplate/xmlparser.c
+++ b/libtemplate/xmlparser.c
@@ -291,6 +291,9 @@ void cXmlParser::InsertVariable(string name, string type, string value) {
     if (!type.compare("int")) {
         int val = atoi(value.c_str());
         globals->intVars.insert(pair<string, int>(name, val));
+    } else if (!type.compare("double")) {
+        double val = atof(value.c_str());
+        globals->doubleVars.insert(pair<string, double>(name, val));
     } else if (!type.compare("string")) {
         globals->stringVars.insert(pair<string, string>(name, value));
     }
diff --git a/skins/metrixhd/themes/default/globals.xml b/skins/metrixhd/themes/default/globals.xml
index 6732249..11c3e1f 100644
--- a/skins/metrixhd/themes/default/globals.xml
+++ b/skins/metrixhd/themes/default/globals.xml
@@ -28,6 +28,7 @@
         <var type="int" name="border">5</var>
         <var type="int" name="fadeTime">0</var>
         <var type="string" name="stringglobal">hützligrütz</var>
+        <var type="double" name="pi">3.14</var>
     </variables>
     <!--
     translations used in the skin