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pip/libs/main/resources/piresourcesstorage.h
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//! \~\file piresourcesstorage.h
//! \~\ingroup Resources
//! \~\brief
//! \~english Storage for compiled resources
//! \~russian Хранилище вкомпиленных ресурсов
/*
PIP - Platform Independent Primitives
Resources subsystem
Ivan Pelipenko peri4ko@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PIRESOURCES_P_H
#define PIRESOURCES_P_H
#include "pichunkstream.h"
#include "pimap.h"
#include "pistring.h"
class PIResources;
//! \~\ingroup Resources
//! \~\brief
//! \~english Global storage for sections and entries registered by the resources subsystem.
//! \~russian Глобальное хранилище секций и элементов, зарегистрированных подсистемой ресурсов.
class PIP_EXPORT PIResourcesStorage {
friend class PIResources;
public:
//! \~english Returns singleton storage instance.
//! \~russian Возвращает экземпляр глобального хранилища.
static PIResourcesStorage * instance();
//! \~\ingroup Resources
//! \~\brief
//! \~english One logical resource section with named binary entries.
//! \~russian Одна логическая секция ресурсов с именованными бинарными элементами.
struct PIP_EXPORT Section {
//! \~english Constructs an empty section.
//! \~russian Создает пустую секцию.
Section();
//! \~english Destroys the section object.
//! \~russian Уничтожает объект секции.
~Section();
//! \~english Adds entries from another section without replacing existing names.
//! \~russian Добавляет элементы из другой секции, не заменяя уже существующие имена.
void add(const Section & s);
//! \~english Deletes stored entry buffers and clears the section.
//! \~russian Удаляет сохраненные буферы элементов и очищает секцию.
void purge();
//! \~english Section entries indexed by resource name or alias.
//! \~russian Элементы секции с индексом по имени ресурса или псевдониму.
PIMap<PIString, PIByteArray *> entries;
};
struct PIP_EXPORT __RCEntry {
__RCEntry(const PIString & s = PIString(),
const PIString & n = PIString(),
const PIString & a = PIString(),
const PIString & f = PIString(),
llong o = 0,
llong si = 0,
int fl = 0) {
section = s;
name = n;
alias = a;
file = f;
offset = o;
size = si;
flags = fl;
}
PIString section;
PIString name;
PIString alias;
PIString file;
llong offset;
llong size;
int flags;
};
//! \~english Registers or merges a ready section under name `section_name`.
//! \~russian Регистрирует или объединяет готовую секцию под именем `section_name`.
void registerSection(const PIString & section_name, const Section & data);
//! \~english Registers compiled resources from raw data and serialized descriptors.
//! \~russian Регистрирует вкомпиленные ресурсы из сырых данных и сериализованных дескрипторов.
void registerSection(const uchar * rc_data, const uchar * rc_desc, int rc_desc_size);
//! \~english Returns registered section by name, or null if it is absent.
//! \~russian Возвращает зарегистрированную секцию по имени или null, если она отсутствует.
Section * section(const PIString & section_name) const;
//! \~english Returns entry data by section and entry name.
//! \~russian Возвращает данные элемента по секции и имени элемента.
PIByteArray get(const PIString & section_name, const PIString & entry_name) const;
//! \~english Returns first entry with name `entry_name` across all sections.
//! \~russian Возвращает первый элемент с именем `entry_name` среди всех секций.
PIByteArray get(const PIString & entry_name) const;
//! \~english Removes all registered sections and entry buffers.
//! \~russian Удаляет все зарегистрированные секции и буферы элементов.
void clear();
private:
PIResourcesStorage();
~PIResourcesStorage();
PIMap<PIString, Section *> sections;
};
BINARY_STREAM_WRITE(PIResourcesStorage::__RCEntry) {
PIChunkStream cs;
cs.add(1, v.section).add(2, v.name).add(3, v.file).add(4, v.size).add(5, v.offset).add(6, v.flags).add(7, v.alias);
s << cs.data();
return s;
}
BINARY_STREAM_READ(PIResourcesStorage::__RCEntry) {
PIByteArray ba;
s >> ba;
PIChunkStream cs(ba);
while (!cs.atEnd()) {
switch (cs.read()) {
case 1: cs.get(v.section); break;
case 2: cs.get(v.name); break;
case 3: cs.get(v.file); break;
case 4: cs.get(v.size); break;
case 5: cs.get(v.offset); break;
case 6: cs.get(v.flags); break;
case 7: cs.get(v.alias); break;
}
}
return s;
}
#endif // PIRESOURCES_P_H