From ea3fc9f27f6feb14ea3b7cfc8b1e921195dd3c3f Mon Sep 17 00:00:00 2001
From: neoraider <devnull@localhost>
Date: Sat, 29 Sep 2007 20:03:02 +0000
Subject: zoomedit: IdManager: Id-Validierung verbessert.

---
 IdManager.cpp | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'IdManager.cpp')

diff --git a/IdManager.cpp b/IdManager.cpp
index a610036..d60417c 100644
--- a/IdManager.cpp
+++ b/IdManager.cpp
@@ -13,9 +13,13 @@ bool IdManager::remove(const std::string &id) {
   return (usedIds.erase(id) > 0);
 }
 
-bool IdManager::valid(const std::string &id) const {
+bool IdManager::isValid(const std::string &id) const {
   if(id.empty()) return false;
   if(id[0] >= '0' && id[0] <= '9') return false;
+  if(id.size() >= 3) {
+    if(std::tolower(id[0]) == 'x' && std::tolower(id[1]) == 'm' && std::tolower(id[2]) == 'l')
+      return false;
+  }
   
   for(std::string::const_iterator c = id.begin(); c != id.end(); c++) {
     if(!(*c >= '0' && *c <= '9') && !(*c >= 'A' && *c <= 'Z') && !(*c >= 'a' && *c <= 'z')
@@ -27,13 +31,15 @@ bool IdManager::valid(const std::string &id) const {
 }
 
 bool IdManager::unique(const std::string &id) const {
-  if(!valid(id)) return false;
-  
   return (usedIds.find(id) == usedIds.end());
 }
 
+bool IdManager::valid(const std::string &id) const {
+  return isValid(id) && unique(id);
+}
+
 std::string IdManager::generate(const std::string &prefix) {
-  if(!valid(prefix)) return std::string();
+  if(!isValid(prefix)) return std::string();
   
   unsigned long n = 0;
   
-- 
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