From bab251a7a16d81854f3ce733d7bcc92adf826996 Mon Sep 17 00:00:00 2001
From: louis <louis.braun@gmx.de>
Date: Sun, 18 Jan 2015 15:54:41 +0100
Subject: added empty operator additionally to isset to check in a condition if
 a string token is set

---
 libtemplate/parameter.c | 15 +++++++++++++++
 libtemplate/parameter.h |  1 +
 2 files changed, 16 insertions(+)

(limited to 'libtemplate')

diff --git a/libtemplate/parameter.c b/libtemplate/parameter.c
index e3e48bd..b191d17 100644
--- a/libtemplate/parameter.c
+++ b/libtemplate/parameter.c
@@ -295,6 +295,19 @@ bool cConditionalParameter::Evaluate(map < string, int > *intTokens, map < strin
                         tokenTrue = true;
                 }
             }
+        } else if (cond->type == ctStringEmpty) {
+            if (stringTokens) {
+                map < string, string >::iterator hit = stringTokens->find(cond->tokenName);
+                if (hit != stringTokens->end()) {
+                    string value = hit->second;
+                    if (value.size() == 0)
+                        tokenTrue = true;
+                } else {
+                    tokenTrue = true;
+                }
+            } else {
+                tokenTrue = true;
+            }
         } else {
             int tokenValue = EvaluateParameter(cond->tokenName, intTokens, stringTokens);
             if (cond->type == ctBool) {
@@ -387,6 +400,8 @@ void cConditionalParameter::InsertCondition(string cond) {
         sCond.isNegated = true;
     } else if (!rest.compare("isset")) {
         sCond.type = ctStringSet;
+    } else if (!rest.compare("empty")) {
+        sCond.type = ctStringEmpty;
     } else if (startswith(rest.c_str(), "gt(")) {
         string compVal = rest.substr(4, rest.size() - 5);
         sCond.compareValue = atoi(compVal.c_str());
diff --git a/libtemplate/parameter.h b/libtemplate/parameter.h
index c055560..c92af28 100644
--- a/libtemplate/parameter.h
+++ b/libtemplate/parameter.h
@@ -109,6 +109,7 @@ enum eCondType {
     ctEquals,
     ctBool,
     ctStringSet,
+    ctStringEmpty,
     ctNone
 };
 
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