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#include <map>
#include <tinyxml2.h>
#include "bmap.h"
#include "buffer.h"
#include "libcomm.h"
#include "libuuu.h"
bmap_mode g_bmap_mode = bmap_mode::Default;
bmap_mode uuu_get_bmap_mode()
{
return g_bmap_mode;
}
int uuu_set_bmap_mode(bmap_mode mode)
{
g_bmap_mode = mode;
return 0;
}
bool bmap_t::is_mapped_block(size_t index) const
{
if (index >= m_gap_begin && index < m_gap_end)
return false;
if (index >= m_gap_end && index < m_next_gap_begin)
return true;
if (index >= m_blk_count)
return false;
m_gap_begin = 0;
for(auto iter = m_blk_map.begin(); iter != m_blk_map.end(); ++iter) {
m_gap_end = iter->first;
m_next_gap_begin = iter->second + 1;
if (index >= m_gap_begin && index < m_gap_end)
return false;
if (index >= m_gap_end && index < m_next_gap_begin)
return true;
m_gap_begin = m_next_gap_begin;
}
return true;
}
static bool parse_image_size(bmap_t &bmap, const tinyxml2::XMLElement* elem)
{
auto img_size = elem->Int64Text();
if (img_size <= 0) {
set_last_err_string("Invalid image size.");
return false;
}
bmap.set_image_size(img_size);
return true;
}
static bool parse_block_size(bmap_t &bmap, const tinyxml2::XMLElement* elem)
{
auto blk_size = elem->Int64Text();
if (blk_size <= 0) {
set_last_err_string("Invalid block size.");
return false;
}
bmap.set_block_size(blk_size);
return true;
}
static bool parse_blocks_count(bmap_t &bmap, const tinyxml2::XMLElement* elem)
{
auto blk_count = elem->Int64Text();
if (blk_count <= 0) {
set_last_err_string("Invalid blocks count.");
return false;
}
bmap.set_blocks_count(blk_count);
return true;
}
static bool parse_block_map(bmap_t &bmap, const tinyxml2::XMLElement* elem)
{
for (auto ch = elem->FirstChildElement(); ch != nullptr; ch = ch->NextSiblingElement()) {
if (strcmp(ch->Name(), "Range")) {
continue;
}
std::string text = ch->GetText();
auto f = std::strtoul(text.data(), nullptr, 0);
auto l = f;
auto pos = text.find('-');
if (pos != std::string::npos)
l = std::strtoul(text.data() + pos + 1, nullptr, 0);
bmap.set_mapped_range(f, l);
}
return true;
}
static const std::map<std::string, bool (*)(bmap_t &, const tinyxml2::XMLElement*)> handlers{
{ "ImageSize", parse_image_size },
{ "BlockSize", parse_block_size },
{ "BlocksCount", parse_blocks_count },
{ "BlockMap", parse_block_map },
};
void send_info(const std::string &msg)
{
uuu_notify nt;
nt.type = uuu_notify::NOTIFY_CMD_INFO;
nt.str = (char*)msg.c_str();
call_notify(nt);
}
int load_bmap(const std::string& filename, bmap_t& bmap)
{
tinyxml2::XMLDocument doc;
auto fbuf = get_file_buffer(filename, true);
if (fbuf == nullptr) {
return -1;
}
auto dbuf = fbuf->request_data(0, fbuf->size());
if (dbuf == nullptr) {
return -1;
}
auto err = doc.Parse((char*)dbuf->data(), dbuf->size());
if (err != tinyxml2::XML_SUCCESS) {
return -1;
}
auto elem = doc.FirstChildElement();
if (!elem) {
set_last_err_string("No bmap element");
return -1;
}
if (elem) {
if (!elem->Attribute("version", "2.0")) {
set_last_err_string("Invalid bmap version. 2.0 is expected.");
return -1;
}
}
for (auto ch = elem->FirstChildElement(); ch != nullptr; ch = ch->NextSiblingElement()) {
auto it = handlers.find(ch->Name());
if (it == handlers.end())
continue;
if (!it->second(bmap, ch))
return -1;
}
if (get_libuuu_debug_level() > LIBUUU_NORMAL) {
auto info = std::string("\nUsing block map:") +
"\n ImageSize: " + std::to_string(bmap.image_size()) +
"\n BlockSize: " + std::to_string(bmap.block_size()) +
"\n BlocksCount: " + std::to_string(bmap.blocks_count()) +
"\n BlockMap:";
for (auto& r: bmap.mapped_ranges()) {
if (r.first == r.second)
info += "\n Range: " + std::to_string(r.first);
else
info += "\n Range: " + std::to_string(r.first) +
"-" + std::to_string(r.second);
}
send_info(info + "\n");
}
return 0;
}
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