From ffca21f2743a7b367fa212799c6e2fea6190dd5d Mon Sep 17 00:00:00 2001
From: manuel <manuel@mausz.at>
Date: Tue, 3 Mar 2015 16:53:59 +0100
Subject: initial commit for kodi master

---
 xbmc/addons/AddonVersion.cpp | 138 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 xbmc/addons/AddonVersion.cpp

(limited to 'xbmc/addons/AddonVersion.cpp')

diff --git a/xbmc/addons/AddonVersion.cpp b/xbmc/addons/AddonVersion.cpp
new file mode 100644
index 0000000..9d5a112
--- /dev/null
+++ b/xbmc/addons/AddonVersion.cpp
@@ -0,0 +1,138 @@
+/*
+ *      Copyright (C) 2005-2013 Team XBMC
+ *      http://xbmc.org
+ *
+ *  This Program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This Program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with XBMC; see the file COPYING.  If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+#include "AddonVersion.h"
+#include "utils/StringUtils.h"
+
+namespace ADDON
+{
+  AddonVersion::AddonVersion(const std::string& version)
+  : mEpoch(0), mUpstream(version.empty() ? "0.0.0" : version)
+  {
+    size_t pos = mUpstream.find(':');
+    if (pos != std::string::npos)
+    {
+      mEpoch = strtol(mUpstream.c_str(), NULL, 10);
+      mUpstream.erase(0, pos+1);
+    }
+
+    pos = mUpstream.find('-');
+    if (pos != std::string::npos)
+    {
+      mRevision = mUpstream.substr(pos+1);
+      mUpstream.erase(pos);
+    }
+  }
+
+  /**Compare two components of a Debian-style version.  Return -1, 0, or 1
+   * if a is less than, equal to, or greater than b, respectively.
+   */
+  int AddonVersion::CompareComponent(const char *a, const char *b)
+  {
+    while (*a && *b)
+    {
+      while (*a && *b && !isdigit(*a) && !isdigit(*b))
+      {
+        if (*a != *b)
+        {
+          if (*a == '~') return -1;
+          if (*b == '~') return 1;
+          return *a < *b ? -1 : 1;
+        }
+        a++;
+        b++;
+      }
+      if (*a && *b && (!isdigit(*a) || !isdigit(*b)))
+      {
+        if (*a == '~') return -1;
+        if (*b == '~') return 1;
+        return isdigit(*a) ? -1 : 1;
+      }
+
+      char *next_a, *next_b;
+      long int num_a = strtol(a, &next_a, 10);
+      long int num_b = strtol(b, &next_b, 10);
+      if (num_a != num_b)
+        return num_a < num_b ? -1 : 1;
+
+      a = next_a;
+      b = next_b;
+    }
+    if (!*a && !*b)
+      return 0;
+    if (*a)
+      return *a == '~' ? -1 : 1;
+    else
+      return *b == '~' ? 1 : -1;
+  }
+
+  bool AddonVersion::operator<(const AddonVersion& other) const
+  {
+    if (mEpoch != other.mEpoch)
+      return mEpoch < other.mEpoch;
+
+    int result = CompareComponent(mUpstream.c_str(), other.mUpstream.c_str());
+    if (result)
+      return (result < 0);
+
+    return (CompareComponent(mRevision.c_str(), other.mRevision.c_str()) < 0);
+  }
+
+  bool AddonVersion::operator==(const AddonVersion& other) const
+  {
+    return mEpoch == other.mEpoch
+      && CompareComponent(mUpstream.c_str(), other.mUpstream.c_str()) == 0
+      && CompareComponent(mRevision.c_str(), other.mRevision.c_str()) == 0;
+  }
+
+  bool AddonVersion::empty() const
+  {
+    return mEpoch == 0 && mUpstream == "0.0.0" && mRevision.empty();
+  }
+
+  std::string AddonVersion::asString() const
+  {
+    std::string out;
+    if (mEpoch)
+      out = StringUtils::Format("%i:", mEpoch);
+    out += mUpstream;
+    if (!mRevision.empty())
+      out += "-" + mRevision;
+    return out;
+  }
+
+  bool AddonVersion::SplitFileName(std::string& ID, std::string& version,
+                                   const std::string& filename)
+  {
+    size_t dpos = filename.rfind("-");
+    if (dpos == std::string::npos)
+      return false;
+    ID = filename.substr(0, dpos);
+    version = filename.substr(dpos + 1);
+    version = version.substr(0, version.size() - 4);
+
+    return true;
+  }
+}
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