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PositionSaveGuard for ParsingCaret

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This commit is contained in:
lganzzzo 2019-02-03 18:28:23 +02:00
parent c337287206
commit 1db5dc2296
2 changed files with 65 additions and 40 deletions
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42
src/oatpp/core/parser/ParsingCaret.cpp
View File

@ -36,6 +36,48 @@ namespace oatpp { namespace parser {
const char* const ParsingCaret::ERROR_NO_OPEN_TAG = "ERROR_NO_OPEN_TAG";
const char* const ParsingCaret::ERROR_NO_CLOSE_TAG = "ERROR_NO_CLOSE_TAG";
const char* const ParsingCaret::ERROR_NAME_EXPECTED = "ERROR_NAME_EXPECTED";
void ParsingCaret::Label::start() {
m_start = m_caret->m_pos;
m_end = -1;
}
void ParsingCaret::Label::end() {
m_end = m_caret->m_pos;
}
p_char8 ParsingCaret::Label::getData(){
return &m_caret->m_data[m_start];
}
v_int32 ParsingCaret::Label::getSize(){
if(m_end == -1) {
return m_caret->m_pos - m_start;
}
return m_end - m_start;
}
oatpp::String ParsingCaret::Label::toString(bool saveAsOwnData){
v_int32 end = m_end;
if(end == -1){
end = m_caret->m_pos;
}
return oatpp::String((const char*)&m_caret->m_data[m_start], end - m_start, saveAsOwnData);
}
oatpp::String ParsingCaret::Label::toString(){
return toString(true);
}
std::string ParsingCaret::Label::std_str(){
v_int32 end = m_end;
if(end == -1){
end = m_caret->m_pos;
}
return std::string((const char*) (&m_caret->m_data[m_start]), end - m_start);
}
ParsingCaret::ParsingCaret(const char* text)
: ParsingCaret((p_char8)text, (v_int32) std::strlen(text))

63
src/oatpp/core/parser/ParsingCaret.hpp
View File

@ -41,57 +41,40 @@ public:
public:
class Label {
private:
ParsingCaret& m_caret;
ParsingCaret* m_caret;
v_int32 m_start;
v_int32 m_end;
public:
Label(ParsingCaret& caret)
: m_caret(caret)
: m_caret(&caret)
, m_start(caret.m_pos)
, m_end(-1)
{}
void start() {
m_start = m_caret.m_pos;
m_end = -1;
}
void start();
void end();
p_char8 getData();
v_int32 getSize();
oatpp::String toString(bool saveAsOwnData);
oatpp::String toString();
std::string std_str();
void end() {
m_end = m_caret.m_pos;
};
class PositionSaveGuard {
private:
ParsingCaret& m_caret;
v_int32 m_savedPosition;
public:
PositionSaveGuard(ParsingCaret& caret)
: m_caret(caret)
, m_savedPosition(caret.m_pos)
{}
~PositionSaveGuard() {
m_caret.m_pos = m_savedPosition;
}
p_char8 getData(){
return &m_caret.m_data[m_start];
}
v_int32 getSize(){
if(m_end == -1) {
return m_caret.m_pos - m_start;
}
return m_end - m_start;
}
oatpp::String toString(bool saveAsOwnData){
v_int32 end = m_end;
if(end == -1){
end = m_caret.m_pos;
}
return oatpp::String((const char*)&m_caret.m_data[m_start], end - m_start, saveAsOwnData);
}
oatpp::String toString(){
return toString(true);
}
std::string std_str(){
v_int32 end = m_end;
if(end == -1){
end = m_caret.m_pos;
}
return std::string((const char*) (&m_caret.m_data[m_start]), end - m_start);
}
};
private:
p_char8 m_data;