From 11897437f953ab9107380ad528f6e1e455de1ef2 Mon Sep 17 00:00:00 2001
From: Kiran Mathew Koshy <kiranmathewkoshy@gmail.com>
Date: Wed, 18 Sep 2013 00:28:35 +0530
Subject: [PATCH] Kiwix manage now adds origID tag automatically if it detects
 a diff_file.

---
 src/manager/kiwix-manage.cpp | 57 ++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/src/manager/kiwix-manage.cpp b/src/manager/kiwix-manage.cpp
index b0b323f..b3fe23b 100644
--- a/src/manager/kiwix-manage.cpp
+++ b/src/manager/kiwix-manage.cpp
@@ -24,12 +24,46 @@
 #include <iostream>
 #include <cstdlib>
 #include <pathTools.h>
+#include <zim/file.h>
 #include <kiwix/manager.h>
 
 using namespace std;
 
 enum supportedAction { NONE, ADD, SHOW, REMOVE };
 
+inline char hi(char v)
+{
+char hex[] = "0123456789abcdef";
+return hex[(v >> 4) & 0xf];
+}
+
+inline char lo(char v)
+{
+char hex[] = "0123456789abcdef";
+return hex[v & 0xf];
+}
+
+std::string hexUUID (std::string in)
+  {
+    std::ostringstream out;
+    for (unsigned n = 0; n < 4; ++n)
+      out << hi(in[n]) << lo(in[n]);
+    out << '-';
+    for (unsigned n = 4; n < 6; ++n)
+      out << hi(in[n]) << lo(in[n]);
+    out << '-';
+    for (unsigned n = 6; n < 8; ++n)
+      out << hi(in[n]) << lo(in[n]);
+    out << '-';
+    for (unsigned n = 8; n < 10; ++n)
+      out << hi(in[n]) << lo(in[n]);
+    out << '-';
+    for (unsigned n = 10; n < 16; ++n)
+      out << hi(in[n]) << lo(in[n]);
+    std::string op=out.str();
+    return op;
+  }
+
 void show(kiwix::Library library) {
     std::vector<kiwix::Book>::iterator itr;
     unsigned int inc = 1;
@@ -160,6 +194,29 @@ int main(int argc, char **argv) {
 
     if (zimPath != "") {
       zimPathToSave = zimPathToSave == "." ? zimPath : zimPathToSave;
+      zim::File zimFile(zimPath);
+      if(zimFile.getArticleByUrl("M/startfileuid").getIndex()!=std::numeric_limits<unsigned int>::max())
+      {
+        std::string id=zimFile.getArticleByUrl("M/endfileuid").getPage();
+        std::string temp="";
+        unsigned int k=0;
+        char tempArray[16]="";
+        for(unsigned int i=0; i<id.size(); i++)
+        {
+            if(id[i]=='\n')
+            {
+                tempArray[k]= atoi(temp.c_str());
+                temp="";
+                k++;
+            }
+            else
+            {
+                temp+=id[i];
+            }
+        }
+        origID=hexUUID(tempArray);
+      }
+      //std::cout<<"\nORIGID: "<<origID;
       string bookId = libraryManager.addBookFromPathAndGetId(zimPath, zimPathToSave, url,origID, false);
 
       if (!bookId.empty()) {