本文整理汇总了C++中exlib::string::substr方法的典型用法代码示例。如果您正苦于以下问题：C++ string::substr方法的具体用法？C++ string::substr怎么用？C++ string::substr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exlib::string的用法示例。
在下文中一共展示了string::substr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: readLine
result_t console_base::readLine(exlib::string msg, exlib::string &retVal,
AsyncEvent *ac)
{
if (!ac)
return CHECK_ERROR(CALL_E_LONGSYNC);
flushLog();
#ifndef _WIN32
static bool _init = false;
static char *(*_readline)(const char *);
static void (*_add_history)(char *);
#ifdef DEBUG
#ifdef __clang__
static void (*_free)(void*);
if (_free == 0)
_free = (void (*)(void*))dlsym(RTLD_NEXT, "free");
#else
#define _free __real_free
#endif
#else
#define _free free
#endif
if (!_init)
{
_init = true;
#ifdef __clang__
void *handle = dlopen("libreadline.dylib", RTLD_LAZY);
#else
const char *readline_dylib_names[] =
{
"libreadline.so.6",
"libreadline.so.5",
"libreadline.so"
};
const size_t readline_dylib_names_size = ARRAYSIZE(readline_dylib_names);
void *handle = 0;
for (size_t i = 0; i < readline_dylib_names_size; i++)
{
handle = dlopen(readline_dylib_names[i], RTLD_LAZY);
if (handle) break;
}
#endif
if (handle)
{
_readline = (char *(*)(const char *))dlsym(handle, "readline");
_add_history = (void (*)(char *))dlsym(handle, "add_history");
} else
{
_readline = readline;
_add_history = add_history;
}
}
if (isatty(fileno(stdin)))
{
char *line;
const char* lfptr = qstrrchr(msg.c_str(), '\n');
if (lfptr != NULL)
{
puts(msg.substr(0, lfptr - msg.c_str()).c_str());
line = _readline(lfptr + 1);
}
else
line = _readline(msg.c_str());
if (!line)
return CHECK_ERROR(LastError());
if (*line)
{
_add_history(line);
retVal = line;
}
_free(line);
} else
#endif
{
std_logger::out(msg);
char *line = read_line();
if (!line)
return CHECK_ERROR(LastError());
retVal = line;
free(line);
}
return 0;
}示例2: trimUrl
void Url::trimUrl(exlib::string url, exlib::string& retVal)
{
exlib::string rest;
int32_t start = -1;
int32_t end = -1;
int32_t lastPos = 0;
int32_t i;
bool isWs;
bool inWs = false;
for (i = 0; i < (int32_t)url.length(); i++) {
isWs = url[i] == 32 || url[i] == 9 || url[i] == 13 || url[i] == 10 || url[i] == 12;
if (*(unsigned char*)&url[i] == 0xc2 && *(unsigned char*)&url[i + 1] == 0xa0) {
isWs = true;
i++;
}
if (*(unsigned char*)&url[i] == 239 && *(unsigned char*)&url[i + 1] == 187 && *(unsigned char*)&url[i + 2] == 191) {
isWs = true;
i += 2;
}
if (start == -1) {
if (isWs)
continue;
lastPos = start = i;
} else {
if (inWs) {
if (!isWs) {
end = -1;
inWs = false;
}
} else if (isWs) {
end = i;
inWs = true;
}
}
if (url[i] == 92 && i - lastPos > 0)
url[i] = '/';
}
if (start != -1) {
if (lastPos == start) {
if (end == -1) {
if (start == 0)
rest = url;
else
rest = url.substr(start);
} else {
rest = url.substr(start, end - start);
}
} else if (end == -1 && lastPos < (int32_t)url.length()) {
// We converted some backslashes and have only part of the entire string
rest = url.substr(lastPos);
} else if (end != -1 && lastPos < end) {
// We converted some backslashes and have only part of the entire string
rest = url.substr(lastPos, end);
}
}
retVal = rest;
}