JSON plugin

git-svn-id: http://svn.miranda-ng.org/main/trunk@128 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 214 insertions, 0 deletions

diff --git a/plugins/json/Source/JSONIterators.cpp b/plugins/json/Source/JSONIterators.cpp
new file mode 100644
index 0000000000..5b140d9b17
--- /dev/null
+++ b/plugins/json/Source/JSONIterators.cpp
@@ -0,0 +1,214 @@
+#include "JSONNode.h"
+
+#ifdef JSON_ITERATORS
+    #ifdef JSON_REF_COUNT
+	   #define JSON_ASSERT_UNIQUE(x) JSON_ASSERT(internal -> refcount == 1, json_string(JSON_TEXT(x)) + JSON_TEXT(" in non single reference"))
+    #else
+	   #define JSON_ASSERT_UNIQUE(x) (void)0
+    #endif
+
+    #ifdef JSON_MUTEX_CALLBACKS
+	   #define JSON_MUTEX_COPY2 ,internal -> mylock
+    #else
+	   #define JSON_MUTEX_COPY2
+    #endif
+
+JSONNode::json_iterator JSONNode::find(const json_string & name_t){
+    JSON_CHECK_INTERNAL();
+    JSON_ASSERT(type() == JSON_NODE, JSON_TEXT("finding a non-iteratable node"));
+    makeUniqueInternal();
+    if (JSONNode ** res = internal -> at(name_t)){
+	   return ptr_to_json_iterator(res);
+    }
+    return end();
+}
+
+#ifdef JSON_CASE_INSENSITIVE_FUNCTIONS
+    JSONNode::json_iterator JSONNode::find_nocase(const json_string & name_t){
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE, JSON_TEXT("finding a non-iteratable node"));
+	   makeUniqueInternal();
+	   if (JSONNode ** res = internal -> at_nocase(name_t)){
+		  return ptr_to_json_iterator(res);
+	   }
+	   return end();
+    }
+#endif
+
+JSONNode::json_iterator JSONNode::erase(json_iterator pos){
+    JSON_CHECK_INTERNAL();
+    JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+    JSON_ASSERT_UNIQUE("erase 1");
+    JSON_ASSERT_SAFE(pos < end(), JSON_TEXT("erase out of range"), return end(););
+    JSON_ASSERT_SAFE(pos >= begin(), JSON_TEXT("erase out of range"), return begin(););
+    deleteJSONNode(*(json_iterator_ptr(pos)));
+    internal -> Children.erase(json_iterator_ptr(pos));
+    return (empty()) ? end() : pos;
+}
+
+JSONNode::json_iterator JSONNode::erase(json_iterator _start, const json_iterator & _end){
+    if (_start == _end) return _start;
+    JSON_CHECK_INTERNAL();
+    JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+    JSON_ASSERT_UNIQUE("erase 3");
+    JSON_ASSERT_SAFE(_start <= end(), JSON_TEXT("erase out of lo range"), return end(););
+    JSON_ASSERT_SAFE(_end <= end(), JSON_TEXT("erase out of hi range"), return end(););
+    JSON_ASSERT_SAFE(_start >= begin(), JSON_TEXT("erase out of lo range"), return begin(););
+    JSON_ASSERT_SAFE(_end >= begin(), JSON_TEXT("erase out of hi range"), return begin(););
+    for (JSONNode ** pos = json_iterator_ptr(_start); pos < json_iterator_ptr(_end); ++pos){
+	   deleteJSONNode(*pos);
+    }
+    
+    internal -> Children.erase(json_iterator_ptr(_start), json_iterator_ptr(_end) - json_iterator_ptr(_start));
+    return (empty()) ? end() : _start;
+}
+
+#ifdef JSON_LIBRARY
+JSONNode::json_iterator JSONNode::insert(json_iterator pos, JSONNode * x){
+#else
+JSONNode::json_iterator JSONNode::insert(json_iterator pos, const JSONNode & x){
+#endif
+    JSON_CHECK_INTERNAL();
+    JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+    JSON_ASSERT_UNIQUE("insert 1");
+    if (json_iterator_ptr(pos) >= internal -> Children.end()){
+	   internal -> push_back(x);
+	   return end() - 1;
+    }
+    JSON_ASSERT_SAFE(pos >= begin(), JSON_TEXT("insert out of lo range"), return begin(););
+    #ifdef JSON_LIBRARY
+	   internal -> Children.insert(json_iterator_ptr(pos), x);
+    #else
+	   internal -> Children.insert(json_iterator_ptr(pos), newJSONNode(x));
+    #endif
+    return pos;
+}
+    
+JSONNode::json_iterator JSONNode::insertFFF(json_iterator pos, JSONNode ** const _start, JSONNode ** const _end){
+    JSON_CHECK_INTERNAL();
+    JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+    JSON_ASSERT_UNIQUE("insertFFF");
+    JSON_ASSERT_SAFE(pos <= end(), JSON_TEXT("insert out of high range"), return end(););
+    JSON_ASSERT_SAFE(pos >= begin(), JSON_TEXT("insert out of low range"), return begin(););
+    const size_t num = _end - _start;
+    json_auto<JSONNode *> mem(num);
+    JSONNode ** runner = mem.ptr;
+    for (JSONNode ** po = _start; po < _end; ++po){
+	   *runner++ = newJSONNode(*(*po)  JSON_MUTEX_COPY2);
+    }
+    internal -> Children.insert(json_iterator_ptr(pos), mem.ptr, num);
+    return pos;   
+}
+
+#ifndef JSON_LIBRARY
+    JSONNode::const_iterator JSONNode::find(const json_string & name_t) const {
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE, JSON_TEXT("finding a non-iteratable node"));
+	   if (JSONNode ** res = internal -> at(name_t)){
+		  return JSONNode::const_iterator(res);
+	   }
+	   return JSONNode::const_iterator(internal -> end());
+    }
+    
+    #ifdef JSON_CASE_INSENSITIVE_FUNCTIONS
+	   JSONNode::const_iterator JSONNode::find_nocase(const json_string & name_t) const {
+		  JSON_CHECK_INTERNAL();
+		  JSON_ASSERT(type() == JSON_NODE, JSON_TEXT("finding a non-iteratable node"));
+		  if (JSONNode ** res = internal -> at_nocase(name_t)){
+			 return JSONNode::const_iterator(res);
+		  }
+		  return JSONNode::const_iterator(internal -> end());
+	   }
+    #endif
+    
+    JSONNode::reverse_iterator JSONNode::erase(reverse_iterator pos){
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+	   JSON_ASSERT_UNIQUE("erase 2");
+	   JSON_ASSERT_SAFE(pos < rend(), JSON_TEXT("erase out of range"), return rend(););
+	   JSON_ASSERT_SAFE(pos >= rbegin(), JSON_TEXT("erase out of range"), return rbegin(););
+	   deleteJSONNode(*(pos.it));
+	   internal -> Children.erase(pos.it);
+	   return (empty()) ? rend() : pos + 1;
+    }
+    
+    JSONNode::reverse_iterator JSONNode::erase(reverse_iterator _start, const reverse_iterator & _end){
+	   if (_start == _end) return _start;
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+	   JSON_ASSERT_UNIQUE("erase 4");
+	   JSON_ASSERT_SAFE(_start <= rend(), JSON_TEXT("erase out of lo range"), return rend(););
+	   JSON_ASSERT_SAFE(_end <= rend(), JSON_TEXT("erase out of hi range"), return rend(););
+	   JSON_ASSERT_SAFE(_start >= rbegin(), JSON_TEXT("erase out of lo range"), return rbegin(););
+	   JSON_ASSERT_SAFE(_end >= rbegin(), JSON_TEXT("erase out of hi range"), return rbegin(););
+	   for (JSONNode ** pos = _start.it; pos > _end.it; --pos){
+		  deleteJSONNode(*pos);
+	   }
+	   const size_t num = _start.it - _end.it;
+	   internal -> Children.erase(_end.it + 1, num, _start.it);
+	   return (empty()) ? rend() : _start + num;
+    }
+    
+    JSONNode::reverse_iterator JSONNode::insert(reverse_iterator pos, const JSONNode & x){
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+	   JSON_ASSERT_UNIQUE("insert 1");
+	   if (pos.it < internal -> Children.begin()){
+		  internal -> push_front(x);
+		  return rend() - 1;
+	   }
+	   JSON_ASSERT_SAFE(pos >= rbegin(), JSON_TEXT("insert out of range"), return rbegin(););
+	   internal -> Children.insert(++pos.it, newJSONNode(x), true);
+	   return pos;
+    }
+    
+    JSONNode::reverse_iterator JSONNode::insertRFF(reverse_iterator pos, JSONNode ** const _start, JSONNode ** const _end){
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+	   JSON_ASSERT_UNIQUE("insert RFF");
+	   JSON_ASSERT_SAFE(pos <= rend(), JSON_TEXT("insert out of range"), return rend(););
+	   JSON_ASSERT_SAFE(pos >= rbegin(), JSON_TEXT("insert out of range"), return rbegin(););
+	   const size_t num = _end - _start;
+	   json_auto<JSONNode *> mem(num);
+	   JSONNode ** runner = mem.ptr + num;
+	   for (JSONNode ** po = _start; po < _end; ++po){  //fill it backwards
+		  *(--runner) = newJSONNode(*(*po)    JSON_MUTEX_COPY2);
+	   }
+	   internal -> Children.insert(++pos.it, mem.ptr, num);
+	   return pos - num + 1;
+    }
+    
+    JSONNode::iterator JSONNode::insertFRR(json_iterator pos, JSONNode ** const _start, JSONNode ** const _end){
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+	   JSON_ASSERT_UNIQUE("insert FRR");
+	   JSON_ASSERT_SAFE(pos <= end(), JSON_TEXT("insert out of range"), return end(););
+	   JSON_ASSERT_SAFE(pos >= begin(), JSON_TEXT("insert out of range"), return begin(););
+	   const size_t num = _start - _end;
+	   json_auto<JSONNode *> mem(num);
+	   JSONNode ** runner = mem.ptr;
+	   for (JSONNode ** po = _start; po > _end; --po){
+		  *runner++ = newJSONNode(*(*po)    JSON_MUTEX_COPY2);
+	   }
+	   internal -> Children.insert(pos.it, mem.ptr, num);
+	   return pos; 
+    }
+    
+    JSONNode::reverse_iterator JSONNode::insertRRR(reverse_iterator pos, JSONNode ** const _start, JSONNode ** const _end){
+	   JSON_CHECK_INTERNAL();
+	   JSON_ASSERT(type() == JSON_NODE || type() == JSON_ARRAY, JSON_TEXT("erasing a non-iteratable node"));
+	   JSON_ASSERT_UNIQUE("insert RRR");
+	   JSON_ASSERT_SAFE(pos <= rend(), JSON_TEXT("insert out of range"), return rend(););
+	   JSON_ASSERT_SAFE(pos >= rbegin(), JSON_TEXT("insert out of range"), return rbegin(););
+	   const size_t num = _start - _end;
+	   json_auto<JSONNode *> mem(num);
+	   JSONNode ** runner = mem.ptr;
+	   for (JSONNode ** po = _start; po > _end; --po){
+		  *runner++ = newJSONNode(*(*po)    JSON_MUTEX_COPY2);
+	   }
+	   internal -> Children.insert(++pos.it, mem.ptr, num);
+	   return pos - num + 1;   
+    }
+#endif
+
+#endif