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core: make dynamic variable changes affect lines where it is used

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This commit is contained in:
Vaxry 2023-12-29 11:48:55 +01:00
parent 158c66c5db
commit 582d35fee8
4 changed files with 34 additions and 11 deletions
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31
src/config.cpp
View file

@ -219,14 +219,29 @@ CParseResult CConfig::configSetValueSafe(const std::string& command, const std::
return result;
}
CParseResult CConfig::parseVariable(const std::string& lhs, const std::string& rhs) {
impl->variables.push_back({lhs.substr(1), rhs});
std::sort(impl->variables.begin(), impl->variables.end(), [](const auto& lhs, const auto& rhs) { return lhs.name.length() > rhs.name.length(); });
CParseResult CConfig::parseVariable(const std::string& lhs, const std::string& rhs, bool dynamic) {
auto IT = std::find_if(impl->variables.begin(), impl->variables.end(), [&](const auto& v) { return v.name == lhs.substr(1); });
if (IT != impl->variables.end())
IT->value = rhs;
else {
impl->variables.push_back({lhs.substr(1), rhs});
std::sort(impl->variables.begin(), impl->variables.end(), [](const auto& lhs, const auto& rhs) { return lhs.name.length() > rhs.name.length(); });
}
if (dynamic) {
if (IT == impl->variables.end())
IT = std::find_if(impl->variables.begin(), impl->variables.end(), [&](const auto& v) { return v.name == lhs.substr(1); });
for (auto& l : IT->linesContainingVar) {
parseLine(l, true);
}
}
CParseResult result;
return result;
}
CParseResult CConfig::parseLine(std::string line) {
CParseResult CConfig::parseLine(std::string line, bool dynamic) {
CParseResult result;
auto commentPos = line.find('#');
@ -271,7 +286,7 @@ CParseResult CConfig::parseLine(std::string line) {
}
if (*LHS.begin() == '$')
return parseVariable(LHS, RHS);
return parseVariable(LHS, RHS, dynamic);
// limit unwrapping iterations to 100. if exceeds, raise error
for (size_t i = 0; i < 100; ++i) {
@ -287,6 +302,8 @@ CParseResult CConfig::parseLine(std::string line) {
if (RHSIT == std::string::npos && LHSIT == std::string::npos)
break;
else
var.linesContainingVar.push_back(line);
anyMatch = true;
}
@ -387,11 +404,11 @@ CParseResult CConfig::parse() {
}
CParseResult CConfig::parseDynamic(const char* line) {
return parseLine(line);
return parseLine(line, true);
}
CParseResult CConfig::parseDynamic(const char* command, const char* value) {
return parseLine(std::string{command} + "=" + std::string{value});
return parseLine(std::string{command} + "=" + std::string{value}, true);
}
void CConfig::clearState() {

5
src/config.hpp
View file

@ -11,8 +11,9 @@ struct SHandler {
};
struct SVariable {
std::string name = "";
std::string value = "";
std::string name = "";
std::string value = "";
std::vector<std::string> linesContainingVar; // for dynamic updates
};
class CConfigImpl {

4
src/public.hpp
View file

@ -137,9 +137,9 @@ namespace Hyprlang {
CConfigImpl* impl;
CParseResult parseLine(std::string line);
CParseResult parseLine(std::string line, bool dynamic = false);
CParseResult configSetValueSafe(const std::string& command, const std::string& value);
CParseResult parseVariable(const std::string& lhs, const std::string& rhs);
CParseResult parseVariable(const std::string& lhs, const std::string& rhs, bool dynamic = false);
void clearState();
};
};

5
tests/main.cpp
View file

@ -111,6 +111,11 @@ int main(int argc, char** argv, char** envp) {
std::cout << " → Testing variables\n";
EXPECT(std::any_cast<int64_t>(config.getConfigValue("testVar")), 13371337);
// test dynamic variables
std::cout << " → Testing dynamic variables\n";
EXPECT(config.parseDynamic("$MY_VAR_2 = 420").error, false);
EXPECT(std::any_cast<int64_t>(config.getConfigValue("testVar")), 1337420);
} catch (const char* e) {
std::cout << Colors::RED << "Error: " << Colors::RESET << e << "\n";
return 1;