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Optimize performance

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This commit is contained in:
Tindy X
2020-07-07 02:37:09 +08:00
parent 24550625ee
commit 41b7663cd8
1 changed files with 30 additions and 25 deletions
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55
src/ini_reader.h
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@@ -214,7 +214,7 @@ public:
bool inExcludedSection = false, inDirectSaveSection = false;
std::string strLine, thisSection, curSection, itemName, itemVal;
string_multimap itemGroup, existItemGroup;
string_multimap itemGroup;
string_array read_sections;
std::stringstream strStrm;
char delimiter = getLineBreak(content);
@@ -235,7 +235,7 @@ public:
while(getline(strStrm, strLine, delimiter)) //get one line of content
{
last_error_index++;
string_size lineSize = strLine.size();
string_size lineSize = strLine.size(), pos_equal = strLine.find("=");
if(lineSize && strLine[lineSize - 1] == '\r') //remove line break
strLine.erase(--lineSize);
if((!lineSize || strLine[0] == ';' || strLine[0] == '#' || (lineSize >= 2 && strLine[0] == '/' && strLine[1] == '/')) && !inDirectSaveSection) //empty lines and comments are ignored
@@ -253,40 +253,43 @@ public:
{
if(allow_dup_section_titles || !ini_content.at(curSection).size())
{
existItemGroup = ini_content.at(curSection); //get the old items
itemGroup.merge(existItemGroup); //move old items to new sections
auto iter = ini_content.at(curSection); //get the existing section
iter.merge(itemGroup); //move new items to this section
}
else if(ini_content.at(curSection).size())
return __priv_save_error_and_return(INIREADER_EXCEPTION_DUPLICATE); //not allowed, stop
ini_content.erase(curSection); //remove the old section
}
else if(itemGroup.size())
read_sections.push_back(curSection); //add to read sections list
if(std::find(section_order.cbegin(), section_order.cend(), curSection) == section_order.cend())
section_order.emplace_back(curSection); //add to section order if not added before
ini_content.emplace(std::move(curSection), std::move(itemGroup)); //insert previous section to content map
else
{
if(itemGroup.size())
read_sections.push_back(curSection); //add to read sections list
if(std::find(section_order.cbegin(), section_order.cend(), curSection) == section_order.cend())
section_order.emplace_back(curSection); //add to section order if not added before
ini_content.emplace(std::move(curSection), std::move(itemGroup)); //insert previous section to content map
}
}
eraseElements(itemGroup); //reset section storage
curSection = thisSection; //start a new section
}
else if(((store_any_line && strLine.find("=") == strLine.npos) || inDirectSaveSection) && !inExcludedSection && curSection.size()) //store a line without name
else if(((store_any_line && pos_equal == strLine.npos) || inDirectSaveSection) && !inExcludedSection && curSection.size()) //store a line without name
{
itemGroup.emplace("{NONAME}", strLine);
}
else if(strLine.find("=") != strLine.npos) //is an item
else if(pos_equal != strLine.npos) //is an item
{
if(inExcludedSection) //this section is excluded
continue;
if(!curSection.size()) //not in any section
return __priv_save_error_and_return(INIREADER_EXCEPTION_OUTOFBOUND);
string_size pose = strLine.find("="), posc = strLine.find_first_not_of(' ', pose + 1);
itemName = trim(strLine.substr(0, pose));
if(posc != strLine.npos) //not a key with empty value
string_size pos_value = strLine.find_first_not_of(' ', pos_equal + 1);
itemName = trim(strLine.substr(0, pos_equal));
if(pos_value != strLine.npos) //not a key with empty value
{
itemVal = strLine.substr(posc);
itemVal = strLine.substr(pos_value);
itemGroup.emplace(std::move(itemName), std::move(itemVal)); //insert to current section
}
else
itemGroup.emplace(std::move(itemName), std::string());
}
if(include_sections.size() && include_sections == read_sections) //all included sections has been read
break; //exit now
@@ -297,18 +300,20 @@ public:
{
if(allow_dup_section_titles)
{
existItemGroup = ini_content.at(curSection); //get the old items
itemGroup.merge(existItemGroup); //move old items to new sections
auto &iter = ini_content.at(curSection); //get the existing section
iter.merge(itemGroup); //move new items to this section
}
else if(ini_content.at(curSection).size())
return __priv_save_error_and_return(INIREADER_EXCEPTION_DUPLICATE); //not allowed, stop
ini_content.erase(curSection); //remove the old section
}
else if(itemGroup.size())
read_sections.emplace_back(curSection); //add to read sections list
if(std::find(section_order.cbegin(), section_order.cend(), curSection) == section_order.cend())
section_order.emplace_back(curSection); //add to section order if not added before
ini_content.emplace(std::move(curSection), std::move(itemGroup)); //insert this section to content map
else
{
if(itemGroup.size())
read_sections.emplace_back(curSection); //add to read sections list
if(std::find(section_order.cbegin(), section_order.cend(), curSection) == section_order.cend())
section_order.emplace_back(curSection); //add to section order if not added before
ini_content.emplace(std::move(curSection), std::move(itemGroup)); //insert this section to content map
}
}
parsed = true;
return __priv_save_error_and_return(INIREADER_EXCEPTION_NONE); //all done