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-rw-r--r--src/paramed_string.h132
1 files changed, 70 insertions, 62 deletions
diff --git a/src/paramed_string.h b/src/paramed_string.h
index 34de8b5b..81443bc4 100644
--- a/src/paramed_string.h
+++ b/src/paramed_string.h
@@ -49,39 +49,41 @@ namespace aria2 {
namespace paramed_string {
-template<typename InputIterator>
-InputIterator expandChoice
-(std::vector<std::string>& res, InputIterator first, InputIterator last)
+template <typename InputIterator>
+InputIterator expandChoice(std::vector<std::string>& res, InputIterator first,
+ InputIterator last)
{
++first;
InputIterator i = std::find(first, last, '}');
- if(i == last) {
+ if (i == last) {
throw DL_ABORT_EX("Missing '}' in the parameterized string.");
}
std::vector<Scip> choices;
util::splitIter(first, i, std::back_inserter(choices), ',', true, false);
std::vector<std::string> res2;
- res2.reserve(res.size()*choices.size());
- for(std::vector<std::string>::const_iterator i = res.begin(),
- eoi = res.end(); i != eoi; ++i) {
- for(std::vector<Scip>::const_iterator j = choices.begin(),
- eoj = choices.end(); j != eoj; ++j) {
+ res2.reserve(res.size() * choices.size());
+ for (std::vector<std::string>::const_iterator i = res.begin(),
+ eoi = res.end();
+ i != eoi; ++i) {
+ for (std::vector<Scip>::const_iterator j = choices.begin(),
+ eoj = choices.end();
+ j != eoj; ++j) {
res2.push_back(*i);
res2.back().append((*j).first, (*j).second);
}
}
res.swap(res2);
- return i+1;
+ return i + 1;
}
-template<typename InputIterator>
+template <typename InputIterator>
int32_t fromBase26(InputIterator first, InputIterator last, char zero)
{
int32_t res = 0;
- for(; first != last; ++first) {
+ for (; first != last; ++first) {
res *= 26;
- res += *first-zero;
- if(res > static_cast<int32_t>(UINT16_MAX)) {
+ res += *first - zero;
+ if (res > static_cast<int32_t>(UINT16_MAX)) {
throw DL_ABORT_EX("Loop range overflow.");
}
}
@@ -90,88 +92,95 @@ int32_t fromBase26(InputIterator first, InputIterator last, char zero)
std::string toBase26(int32_t n, char zero, size_t width);
-template<typename InputIterator>
-InputIterator expandLoop
-(std::vector<std::string>& res, InputIterator first, InputIterator last)
+template <typename InputIterator>
+InputIterator expandLoop(std::vector<std::string>& res, InputIterator first,
+ InputIterator last)
{
++first;
InputIterator i = std::find(first, last, ']');
- if(i == last) {
+ if (i == last) {
throw DL_ABORT_EX("Missing ']' in the parameterized string.");
}
InputIterator colon = std::find(first, i, ':');
uint32_t step;
- if(colon == i) {
+ if (colon == i) {
step = 1;
- } else {
- if(!util::parseUIntNoThrow(step, std::string(colon+1, i))) {
+ }
+ else {
+ if (!util::parseUIntNoThrow(step, std::string(colon + 1, i))) {
throw DL_ABORT_EX("A step count must be a positive number.");
}
- if(step > UINT16_MAX) {
+ if (step > UINT16_MAX) {
throw DL_ABORT_EX("Loop step overflow.");
}
}
InputIterator minus = std::find(first, colon, '-');
- if(minus == colon) {
+ if (minus == colon) {
throw DL_ABORT_EX("Loop range missing.");
}
- if(util::isNumber(first, minus) && util::isNumber(minus+1, colon)) {
+ if (util::isNumber(first, minus) && util::isNumber(minus + 1, colon)) {
uint32_t start, end;
- if(!util::parseUIntNoThrow(start, std::string(first, minus)) ||
- !util::parseUIntNoThrow(end, std::string(minus+1, colon))) {
+ if (!util::parseUIntNoThrow(start, std::string(first, minus)) ||
+ !util::parseUIntNoThrow(end, std::string(minus + 1, colon))) {
throw DL_ABORT_EX("Loop range missing.");
}
- if(start > UINT16_MAX || end > UINT16_MAX) {
+ if (start > UINT16_MAX || end > UINT16_MAX) {
throw DL_ABORT_EX("Loop range overflow.");
}
- if(start <= end) {
+ if (start <= end) {
std::string format;
- if(minus-first == colon-minus-1) {
- format = fmt("%%0%lud", static_cast<unsigned long>(minus-first));
- } else {
+ if (minus - first == colon - minus - 1) {
+ format = fmt("%%0%lud", static_cast<unsigned long>(minus - first));
+ }
+ else {
format = "%d";
}
std::vector<std::string> res2;
- res2.reserve(res.size()*((end+1-start)/step));
- for(std::vector<std::string>::const_iterator i = res.begin(),
- eoi = res.end(); i != eoi; ++i) {
- for(uint32_t j = start; j <= end; j += step) {
+ res2.reserve(res.size() * ((end + 1 - start) / step));
+ for (std::vector<std::string>::const_iterator i = res.begin(),
+ eoi = res.end();
+ i != eoi; ++i) {
+ for (uint32_t j = start; j <= end; j += step) {
res2.push_back(*i);
res2.back() += fmt(format.c_str(), j);
}
}
res.swap(res2);
}
- } else if((util::isLowercase(first, minus) &&
- util::isLowercase(minus+1, colon)) ||
- (util::isUppercase(first, minus) &&
- util::isUppercase(minus+1, colon))) {
+ }
+ else if ((util::isLowercase(first, minus) &&
+ util::isLowercase(minus + 1, colon)) ||
+ (util::isUppercase(first, minus) &&
+ util::isUppercase(minus + 1, colon))) {
char zero = ('a' <= *first && *first <= 'z' ? 'a' : 'A');
int32_t start, end;
start = fromBase26(first, minus, zero);
- end = fromBase26(minus+1, colon, zero);
- if(start <= end) {
+ end = fromBase26(minus + 1, colon, zero);
+ if (start <= end) {
size_t width;
- if(minus-first == colon-minus-1) {
- width = minus-first;
- } else {
+ if (minus - first == colon - minus - 1) {
+ width = minus - first;
+ }
+ else {
width = 0;
}
std::vector<std::string> res2;
- res2.reserve(res.size()*((end+1-start)/step));
- for(std::vector<std::string>::const_iterator i = res.begin(),
- eoi = res.end(); i != eoi; ++i) {
- for(int32_t j = start; j <= end; j += step) {
+ res2.reserve(res.size() * ((end + 1 - start) / step));
+ for (std::vector<std::string>::const_iterator i = res.begin(),
+ eoi = res.end();
+ i != eoi; ++i) {
+ for (int32_t j = start; j <= end; j += step) {
res2.push_back(*i);
res2.back() += toBase26(j, zero, width);
}
}
res.swap(res2);
}
- } else {
+ }
+ else {
throw DL_ABORT_EX("Invalid loop range.");
}
- return i+1;
+ return i + 1;
}
// Expand parameterized string.
@@ -210,31 +219,30 @@ InputIterator expandLoop
//
// Examples:
// "alpha:[foo,bar]:bravo" -> ["alpha:foo:bravo", "alpha:bar:bravo"]
-template<typename InputIterator, typename OutputIterator>
-void expand
-(InputIterator first,
- InputIterator last,
- OutputIterator out)
+template <typename InputIterator, typename OutputIterator>
+void expand(InputIterator first, InputIterator last, OutputIterator out)
{
std::vector<std::string> res;
res.push_back("");
- while(first != last) {
+ while (first != last) {
InputIterator i = first;
- for(; i != last && *i != '{' && *i != '['; ++i);
- for(auto & re : res) {
+ for (; i != last && *i != '{' && *i != '['; ++i)
+ ;
+ for (auto& re : res) {
re.append(first, i);
}
first = i;
- if(first == last) {
+ if (first == last) {
break;
}
- if(*first == '{') {
+ if (*first == '{') {
first = expandChoice(res, first, last);
- } else if(*first == '[') {
+ }
+ else if (*first == '[') {
first = expandLoop(res, first, last);
}
}
- if(res.size() != 1 || !res[0].empty()) {
+ if (res.size() != 1 || !res[0].empty()) {
std::copy(res.begin(), res.end(), out);
}
}
generated by cgit (git 2.46.0) at 2026-10-12 01:00:17 +0000