From 0757c5684dc44f76308199954eca7ced4e9189b3 Mon Sep 17 00:00:00 2001 From: George Hazan Date: Tue, 16 Jun 2015 08:07:27 +0000 Subject: 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 --- libs/libjson/src/JSONChildren.cpp | 99 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 libs/libjson/src/JSONChildren.cpp (limited to 'libs/libjson/src/JSONChildren.cpp') 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(1); + mycapacity = 1; + #else + array = json_malloc(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(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(amount); + mycapacity = amount; + #else + array = json_malloc(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(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; + } +} -- cgit v1.2.3