本文整理汇总了C++中StringBuilder::Reserve方法的典型用法代码示例。如果您正苦于以下问题：C++ StringBuilder::Reserve方法的具体用法？C++ StringBuilder::Reserve怎么用？C++ StringBuilder::Reserve使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类StringBuilder的用法示例。
在下文中一共展示了StringBuilder::Reserve方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: MakeCanonicalPath
CString FileSystem::MakeCanonicalPath(const char* path)
{
int len = strlen(path);
if (!strncmp("\\\\?\\", path, 4) || len == 0)
{
return path;
}
std::vector<CString> components = Util::SplitStr(path, "\\/");
for (uint32 i = 1; i < components.size(); i++)
{
if (!strcmp(components[i], ".."))
{
components.erase(components.begin() + i - 1, components.begin() + i + 1);
i -= 2;
}
else if (!strcmp(components[i], "."))
{
components.erase(components.begin() + i);
i--;
}
}
StringBuilder result;
result.Reserve(strlen(path));
if (!strncmp("\\\\", path, 2))
{
result.Append("\\\\");
}
bool first = true;
for (CString& comp : components)
{
if (comp.Length() > 0)
{
if (!first)
{
result.Append("\\");
}
result.Append(comp);
first = false;
}
}
if ((path[len - 1] == '\\' || path[len - 1] == '/' ||
(len > 3 && !strcmp(path + len - 3, "\\..")) ||
(len > 2 && !strcmp(path + len - 2, "\\.")))
&&
result[result.Length() - 1] != '\\')
{
result.Append("\\");
}
return *result;
}示例2: SendSegment
void NntpProcessor::SendSegment()
{
detail("[%i] Sending segment %s (%i=%lli:%i)", m_id, *m_filename, m_part, (long long)m_offset, m_size);
if (m_speed > 0)
{
m_start = Util::GetCurrentTicks();
}
BString<1024> fullFilename("%s/%s", m_dataDir, *m_filename);
BString<1024> cacheFileDir("%s/%s", m_cacheDir, *m_filename);
BString<1024> cacheFileName("%i=%lli-%i", m_part, (long long)m_offset, m_size);
BString<1024> cacheFullFilename("%s/%s", *cacheFileDir, *cacheFileName);
BString<1024> cacheKey("%s/%s", *m_filename, *cacheFileName);
const char* cachedData = nullptr;
int cachedSize;
if (m_cache)
{
m_cache->Find(cacheKey, cachedData, cachedSize);
}
DiskFile cacheFile;
bool readCache = !cachedData && m_cacheDir && cacheFile.Open(cacheFullFilename, DiskFile::omRead);
bool writeCache = !cachedData && m_cacheDir && !readCache;
StringBuilder cacheMem;
if (m_cache && !cachedData)
{
cacheMem.Reserve((int)(m_size * 1.1));
}
CString errmsg;
if (writeCache && !FileSystem::ForceDirectories(cacheFileDir, errmsg))
{
error("Could not create directory %s: %s", *cacheFileDir, *errmsg);
}
if (writeCache && !cacheFile.Open(cacheFullFilename, DiskFile::omWrite))
{
error("Could not create file %s: %s", *cacheFullFilename, *FileSystem::GetLastErrorMessage());
}
if (!cachedData && !readCache && !FileSystem::FileExists(fullFilename))
{
m_connection->WriteLine(CString::FormatStr("430 Article not found\r\n"));
return;
}
YEncoder encoder(fullFilename, m_part, m_offset, m_size,
[proc = this, writeCache, &cacheFile, &cacheMem](const char* buf, int size)
{
if (proc->m_cache)
{
cacheMem.Append(buf);
}
if (writeCache)
{
cacheFile.Write(buf, size);
}
proc->SendData(buf, size);
});
if (!cachedData && !readCache && !encoder.OpenFile(errmsg))
{
m_connection->WriteLine(CString::FormatStr("403 %s\r\n", *errmsg));
return;
}
m_connection->WriteLine(CString::FormatStr("%i, 0 %s\r\n", m_sendHeaders ? 222 : 220, m_messageid));
if (m_sendHeaders)
{
m_connection->WriteLine(CString::FormatStr("Message-ID: %s\r\n", m_messageid));
m_connection->WriteLine(CString::FormatStr("Subject: \"%s\"\r\n", FileSystem::BaseFileName(m_filename)));
m_connection->WriteLine("\r\n");
}
if (cachedData)
{
SendData(cachedData, cachedSize);
}
else if (readCache)
{
cacheFile.Seek(0, DiskFile::soEnd);
int size = (int)cacheFile.Position();
CharBuffer buf(size);
cacheFile.Seek(0);
if (cacheFile.Read((char*)buf, size) != size)
{
error("Could not read file %s: %s", *cacheFullFilename, *FileSystem::GetLastErrorMessage());
}
if (m_cache)
{
cacheMem.Append(buf, size);
}
SendData(buf, size);
}
else
{
encoder.WriteSegment();
}
//.........这里部分代码省略.........