diff options
| author | George Hazan <george.hazan@gmail.com> | 2015-06-16 08:07:27 +0000 |
|---|---|---|
| committer | George Hazan <george.hazan@gmail.com> | 2015-06-16 08:07:27 +0000 |
| commit | 0757c5684dc44f76308199954eca7ced4e9189b3 (patch) | |
| tree | 237432394d4c057b217b083248572feadc9d336a /libs/libjson/src/JSONChildren.cpp | |
| parent | b4683d6856632c4fac0ad54b0b1e692661a41bca (diff) | |
libson separated from mir_core and moved to libs\
git-svn-id: http://svn.miranda-ng.org/main/trunk@14187 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'libs/libjson/src/JSONChildren.cpp')
| -rw-r--r-- | libs/libjson/src/JSONChildren.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/libs/libjson/src/JSONChildren.cpp b/libs/libjson/src/JSONChildren.cpp new file mode 100644 index 0000000000..f5ffd15a8c --- /dev/null +++ b/libs/libjson/src/JSONChildren.cpp @@ -0,0 +1,99 @@ +/*
+
+Miranda NG: the free IM client for Microsoft* Windows*
+
+Copyright (ñ) 2012-15 Miranda NG project (http://miranda-ng.org),
+Copyright (c) 2000-12 Miranda IM project,
+all portions of this codebase are copyrighted to the people
+listed in contributors.txt.
+
+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
+of the License, 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 this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+*/
+
+#include "stdafx.h"
+
+#include "JSONChildren.h"
+#include "JSONNode.h"
+#include "JSONNode.inl"
+
+void jsonChildren::inc(void){
+ if (mysize == mycapacity){ //it's full
+ if (!mycapacity){ //the array hasn't been created yet
+ JSON_ASSERT(!array, JSON_TEXT("Expanding a 0 capacity array, but not null"));
+ #ifdef JSON_LESS_MEMORY
+ array = json_malloc<JSONNode*>(1);
+ mycapacity = 1;
+ #else
+ array = json_malloc<JSONNode*>(8); //8 seems average for JSON, and it's only 64 bytes
+ mycapacity = 8;
+ #endif
+ } else {
+ #ifdef JSON_LESS_MEMORY
+ mycapacity += 1; //increment the size of the array
+ #else
+ mycapacity <<= 1; //double the size of the array
+ #endif
+ array = json_realloc<JSONNode*>(array, mycapacity);
+ }
+ }
+}
+
+void jsonChildren::inc(json_index_t amount){
+ if (!amount) return;
+ if (mysize + amount >= mycapacity){ //it's full
+ if (!mycapacity){ //the array hasn't been created yet
+ JSON_ASSERT(!array, JSON_TEXT("Expanding a 0 capacity array, but not null"));
+ #ifdef JSON_LESS_MEMORY
+ array = json_malloc<JSONNode*>(amount);
+ mycapacity = amount;
+ #else
+ array = json_malloc<JSONNode*>(amount > 8 ? amount : 8); //8 seems average for JSON, and it's only 64 bytes
+ mycapacity = amount > 8 ? amount : 8;
+ #endif
+ } else {
+ #ifdef JSON_LESS_MEMORY
+ mycapacity = mysize + amount; //increment the size of the array
+ #else
+ while(mysize + amount > mycapacity){
+ mycapacity <<= 1; //double the size of the array
+ }
+ #endif
+ array = json_realloc<JSONNode*>(array, mycapacity);
+ }
+ }
+}
+
+//actually deletes everything within the vector, this is safe to do on an empty or even a null array
+void jsonChildren::deleteAll(void){
+ json_foreach((*this), runner){
+ JSON_ASSERT(*runner, JSON_TEXT("a null pointer within the children"));
+ JSONNode::deleteJSONNode(*runner); //this is why I can't do forward declaration
+ }
+}
+
+void jsonChildren::doerase(JSONNode ** position, json_index_t number){
+ JSON_ASSERT(array, JSON_TEXT("erasing something from a null array 2"));
+ JSON_ASSERT(position >= array, JSON_TEXT("position is beneath the start of the array 2"));
+ JSON_ASSERT(position + number <= array + mysize, JSON_TEXT("erasing out of bounds 2"));
+ if (position + number >= array + mysize){
+ mysize = (json_index_t)(position - array);
+ #ifndef JSON_ISO_STRICT
+ JSON_ASSERT((long long)position - (long long)array >= 0, JSON_TEXT("doing negative allocation"));
+ #endif
+ } else {
+ memmove(position, position + number, (mysize - (position - array) - number) * sizeof(JSONNode *));
+ mysize -= number;
+ }
+}
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