From 1bbe4e69171f3155f262bb12f15437db4b71c207 Mon Sep 17 00:00:00 2001
From: David Cole <david.cole@kitware.com>
Date: Fri, 7 Jan 2011 14:24:04 -0500
Subject: CPack: Detect more URLs in CPACK_NSIS_MENU_LINKS (#10644)

Previously, only strings containing "http:" qualified as
URLs when found in CPACK_NSIS_MENU_LINKS. Now, we use a
regex to detect strings beginning with any of the following:

  ftp://
  ftps://
  http://
  https://
  news://
  mailto:

This commit also moves the caller of CreateMenuLinks outside
the "if (cpackPackageExecutables)" block, allowing clients to
use CPACK_NSIS_MENU_LINKS without also having CPACK_PACKAGE_EXECUTABLES
defined. That bit of this commit fixes the remainder of the
issue described in http://public.kitware.com/Bug/view.php?id=7828

Also, added a set(CPACK_NSIS_MENU_LINKS ...) to the CPackComponents
test to enable verifying that all of this actually works.
---
 Source/CPack/cmCPackNSISGenerator.cxx | 31 +++++++++++++++++++------------
 Tests/CPackComponents/CMakeLists.txt  | 10 ++++++++++
 2 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/Source/CPack/cmCPackNSISGenerator.cxx b/Source/CPack/cmCPackNSISGenerator.cxx
index f25866c..f911ea8 100644
--- a/Source/CPack/cmCPackNSISGenerator.cxx
+++ b/Source/CPack/cmCPackNSISGenerator.cxx
@@ -440,12 +440,14 @@ int cmCPackNSISGenerator::InitializeInternal()
     cmCPackLogger(cmCPackLog::LOG_DEBUG, "CPACK_CREATE_DESKTOP_LINKS: "
                   << "not set" << std::endl);
     }
+
+  cmOStringStream str;
+  cmOStringStream deleteStr;
+
   if ( cpackPackageExecutables )
     {
     cmCPackLogger(cmCPackLog::LOG_DEBUG, "The cpackPackageExecutables: "
       << cpackPackageExecutables << "." << std::endl);
-    cmOStringStream str;
-    cmOStringStream deleteStr;
     std::vector<std::string> cpackPackageExecutablesVector;
     cmSystemTools::ExpandListArgument(cpackPackageExecutables,
       cpackPackageExecutablesVector);
@@ -486,11 +488,13 @@ int cmCPackNSISGenerator::InitializeInternal()
                   << ".lnk\"" << std::endl;
         }
       }
-    this->CreateMenuLinks(str, deleteStr);
-    this->SetOptionIfNotSet("CPACK_NSIS_CREATE_ICONS", str.str().c_str());
-    this->SetOptionIfNotSet("CPACK_NSIS_DELETE_ICONS", 
-                            deleteStr.str().c_str());
     }
+
+  this->CreateMenuLinks(str, deleteStr);
+  this->SetOptionIfNotSet("CPACK_NSIS_CREATE_ICONS", str.str().c_str());
+  this->SetOptionIfNotSet("CPACK_NSIS_DELETE_ICONS",
+                          deleteStr.str().c_str());
+
   this->SetOptionIfNotSet("CPACK_NSIS_COMPRESSOR", "lzma");
 
   return this->Superclass::InitializeInternal();
@@ -519,22 +523,25 @@ void cmCPackNSISGenerator::CreateMenuLinks( cmOStringStream& str,
       "<icon name>." << std::endl);
     return;
     }
+
+  cmsys::RegularExpression urlRegex;
+  urlRegex.compile("^(mailto:|(ftps?|https?|news)://).*$");
+
   std::vector<std::string>::iterator it;
   for ( it = cpackMenuLinksVector.begin();
         it != cpackMenuLinksVector.end();
         ++it )
     {
     std::string sourceName = *it;
-    bool url = false;
-    if(sourceName.find("http:") == 0)
-      {
-      url = true;
-      }
-    /* convert / to \\ */
+    const bool url = urlRegex.find(sourceName);
+
+    // Convert / to \ in filenames, but not in urls:
+    //
     if(!url)
       {
       cmSystemTools::ReplaceString(sourceName, "/", "\\");
       }
+
     ++ it;
     std::string linkName = *it;
     if(!url)
diff --git a/Tests/CPackComponents/CMakeLists.txt b/Tests/CPackComponents/CMakeLists.txt
index 3ef8083..bbe834d 100644
--- a/Tests/CPackComponents/CMakeLists.txt
+++ b/Tests/CPackComponents/CMakeLists.txt
@@ -68,6 +68,16 @@ set(CPACK_PACKAGE_VERSION_MINOR "0")
 set(CPACK_PACKAGE_VERSION_PATCH "0")
 set(CPACK_PACKAGE_INSTALL_DIRECTORY "CPack Component Example")
 
+# Settings used when building NSIS installers
+set(CPACK_NSIS_MENU_LINKS
+  "ftp://ftpserver" "Test Ftp Link"
+  "ftps://ftpsserver" "Test Ftps Link"
+  "http://www.cmake.org" "CMake Web Site"
+  "https://github.com/" "Test Https Link"
+  "mailto:kitware@kitware.com" "Test MailTo Link"
+  "news://newsserver" "Test News Link"
+  )
+
 # Include CPack to introduce the appropriate targets
 include(CPack)
 
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