+++ /dev/null
-#ifndef DALI_SCENE_LOADER_UTILS_H_
-#define DALI_SCENE_LOADER_UTILS_H_
-/*
- * Copyright (c) 2020 Samsung Electronics Co., Ltd.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-
-// INTERNAL INCLUDES
-#include "dali-scene-loader/public-api/api.h"
-
-// EXTERNAL INCLUDES
-#include "dali/public-api/actors/actor.h"
-#include "dali/public-api/rendering/renderer.h"
-#include "dali/public-api/common/dali-common.h"
-#include <sstream>
-#include <cctype>
-
-namespace Dali
-{
-namespace SceneLoader
-{
-
-/*
- * @brief Fixed size backing buffer to use with std::ostreams where control over
- * allocations (which this does not make), is required.
- * @note All stream insertions that would overflow the buffer that StreamBuffer
- * was created with, will fail.
- */
-class DALI_SCENE_LOADER_API StreamBuffer : public std::basic_streambuf<char>
-{
-public:
- StreamBuffer(char* buffer, size_t size) noexcept(true)
- {
- setp(buffer, buffer + size);
- }
-};
-
-/*
- * @brief Wraps an ostream with a pre-allocated, fixed size backing buffer
- * which a message can be formatted into. Upon destruction, it throws a
- * DaliException with the message.
- */
-class DALI_SCENE_LOADER_API ExceptionFlinger
-{
-public:
- enum { MESSAGE_BUFFER_SIZE = 512 };
-
- ExceptionFlinger(const char* location) noexcept(true)
- : mLocation(location),
- mStreamBuffer(GetMessageBuffer(), MESSAGE_BUFFER_SIZE - 1),
- mStream(&mStreamBuffer)
- {}
-
- [[noreturn]]
- ~ExceptionFlinger() noexcept(false)
- {
- operator<<('\0');
- throw DaliException(mLocation, GetMessageBuffer());
- }
-
- template <typename T>
- ExceptionFlinger& operator<<(const T& rhs) noexcept(true)
- {
- mStream << rhs;
- return *this;
- }
-
-private:
- static char* GetMessageBuffer() noexcept(true);
-
- const char* mLocation;
- StreamBuffer mStreamBuffer;
- std::ostream mStream;
-};
-
-/*
- * @brief Formats the given printf-style varargs into a std::string.
- */
-DALI_SCENE_LOADER_API std::string FormatString(const char* format, ...);
-
-/*
- * @return The @n th bit in a bitmask.
- */
-DALI_SCENE_LOADER_API constexpr size_t NthBit(size_t n) { return 1 << n; }
-
-/*
- * @return Whether all of @a mask 's bits are set on @a value.
- */
-inline
-DALI_SCENE_LOADER_API bool MaskMatch(uint32_t value, uint32_t mask)
-{
- return (value & mask) == mask;
-}
-
-/*
- * @brief Convert a four-letter(, null-terminated) string literal into a uint32_t.
- */
-inline
-DALI_SCENE_LOADER_API constexpr uint32_t FourCC(const char(&fourCC)[5])
-{
- return (fourCC[3] << 24) | (fourCC[2] << 16) | (fourCC[1] << 8) | fourCC[0];
-}
-
-/*
- * @brief Insensitive case compare function.
- * @param[in] a, compare string
- * @param[in] b, compare string
- * @return true if strings are equal
- */
-inline
-DALI_SCENE_LOADER_API bool CaseInsensitiveCharacterCompare( unsigned char a, unsigned char b )
-{
- // Converts to lower case in the current locale.
- return std::tolower( a ) == std::tolower( b );
-}
-
-/*
- * @return true if the lower cased ASCII strings are equal.
- * @param[in] a, compare string
- * @param[in] b, compare string
- */
-inline
-DALI_SCENE_LOADER_API bool CaseInsensitiveStringCompare( const std::string& a, const std::string& b )
-{
- bool result = false;
- if( a.length() == b.length() )
- {
- result = std::equal( a.begin(), a.end(), b.begin(), &CaseInsensitiveCharacterCompare );
- }
- return result;
-}
-
-/*
- * @brief Attempts to load the contents of a text file; returns empty string on
- * failure. A pointer to a boolean may be passed in @a fail; this will be set
- * to true in case of failure (should only be checked if the returned string
- * was empty()).
- */
-DALI_SCENE_LOADER_API std::string LoadTextFile(const char* path, bool* fail = nullptr);
-
-/*
- * @brief Makes a number of calls to @a fn, passing to each one the given
- * @a actor then each of its children, in depth-first traversal.
- * @note @a fn must not change the actor hierarchy during traversal.
- * @note Use of a @a fn that is itself recursing in @a is also discouraged
- * for performance and stability reasons.
- */
-template <typename Func>
-inline
-DALI_SCENE_LOADER_API void VisitActor(Actor a, Func fn)
-{
- fn(a);
-
- unsigned int numChildren = a.GetChildCount();
- for(unsigned int i = 0; i < numChildren; ++i)
- {
- VisitActor(a.GetChildAt(i), fn);
- }
-}
-
-/*
- * @brief Convenience function to set the given actor @a 's anchor point
- * and parent origin to center.
- */
-inline
-DALI_SCENE_LOADER_API void SetActorCentered(Actor a)
-{
- a.SetProperty(Actor::Property::ANCHOR_POINT, AnchorPoint::CENTER);
- a.SetProperty(Actor::Property::PARENT_ORIGIN, ParentOrigin::CENTER);
-}
-
-namespace TexturedQuadOptions
-{
-using Type = uint32_t;
-
-enum DALI_SCENE_LOADER_API Values : Type
-{
- NONE = 0x00,
- FLIP_VERTICAL = 0x01,
-};
-}
-
-/*
- * @brief Makes... geometry for a textured quad.
- */
-DALI_SCENE_LOADER_API Geometry MakeTexturedQuadGeometry(TexturedQuadOptions::Type options = TexturedQuadOptions::NONE);
-
-/*
- * @brief Fixes the path of a file. Replaces the '\\' separator by the '/' one.
- * @param[in,out] path The path to be fixed.
- */
-DALI_SCENE_LOADER_API void ToUnixFileSeparators( std::string& path );
-
-}
-}
-
-#endif /* DALI_SCENE_LOADER_UTILS_H_ */
projects / platform / core / uifw / dali-toolkit.git / blobdiff