115 lines
3.2 KiB
C++
115 lines
3.2 KiB
C++
#include "StarText.hpp"
|
|
#include "StarJsonExtra.hpp"
|
|
#include <regex>
|
|
|
|
namespace Star {
|
|
|
|
TextStyle::TextStyle(Json const& config) : TextStyle() {
|
|
if (config.isType(Json::Type::String))
|
|
font = config.toString();
|
|
else
|
|
loadJson(config);
|
|
}
|
|
TextStyle& TextStyle::loadJson(Json const& config) {
|
|
if (!config)
|
|
return *this;
|
|
|
|
lineSpacing = config.getFloat("lineSpacing", lineSpacing);
|
|
if (auto jColor = config.opt("color"))
|
|
color = jsonToColor(*jColor).toRgba();
|
|
if (auto jShadow = config.opt("shadow"))
|
|
shadow = jsonToColor(*jShadow).toRgba();
|
|
fontSize = config.getUInt("fontSize", fontSize);
|
|
if (auto jFont = config.optString("font"))
|
|
font = *jFont;
|
|
if (auto jDirectives = config.optString("directives"))
|
|
directives = *jDirectives;
|
|
if (auto jBackDirectives = config.optString("backDirectives"))
|
|
backDirectives = *jBackDirectives;
|
|
|
|
return *this;
|
|
}
|
|
|
|
namespace Text {
|
|
static auto stripEscapeRegex = std::regex(strf("\\{:c}[^;]*{:c}", CmdEsc, EndEsc));
|
|
String stripEscapeCodes(String const& s) {
|
|
return std::regex_replace(s.utf8(), stripEscapeRegex, "");
|
|
}
|
|
|
|
static std::string escapeChars = strf("{:c}{:c}", CmdEsc, StartEsc);
|
|
|
|
bool processText(StringView text, TextCallback textFunc, CommandsCallback commandsFunc, bool includeCommandSides) {
|
|
std::string_view escChars(escapeChars);
|
|
|
|
std::string_view str = text.utf8();
|
|
while (true) {
|
|
size_t escape = str.find_first_of(escChars);
|
|
if (escape != NPos) {
|
|
escape = str.find_first_not_of(escChars, escape) - 1; // jump to the last ^
|
|
|
|
size_t end = str.find_first_of(EndEsc, escape);
|
|
if (end != NPos) {
|
|
if (escape && !textFunc(str.substr(0, escape)))
|
|
return false;
|
|
if (commandsFunc) {
|
|
StringView commands = includeCommandSides
|
|
? str.substr(escape, end - escape + 1)
|
|
: str.substr(escape + 1, end - escape - 1);
|
|
if (!commands.empty() && !commandsFunc(commands))
|
|
return false;
|
|
}
|
|
str = str.substr(end + 1);
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (!str.empty())
|
|
return textFunc(str);
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// The below two functions aren't used anymore, not bothering with StringView for them
|
|
String preprocessEscapeCodes(String const& s) {
|
|
bool escape = false;
|
|
std::string result = s.utf8();
|
|
|
|
size_t escapeStartIdx = 0;
|
|
for (size_t i = 0; i < result.size(); i++) {
|
|
auto& c = result[i];
|
|
if (isEscapeCode(c)) {
|
|
escape = true;
|
|
escapeStartIdx = i;
|
|
}
|
|
if ((c <= SpecialCharLimit) && !(c == StartEsc))
|
|
escape = false;
|
|
if ((c == EndEsc) && escape)
|
|
result[escapeStartIdx] = StartEsc;
|
|
}
|
|
return {result};
|
|
}
|
|
|
|
String extractCodes(String const& s) {
|
|
bool escape = false;
|
|
StringList result;
|
|
String escapeCode;
|
|
for (auto c : preprocessEscapeCodes(s)) {
|
|
if (c == StartEsc)
|
|
escape = true;
|
|
if (c == EndEsc) {
|
|
escape = false;
|
|
for (auto command : escapeCode.split(','))
|
|
result.append(command);
|
|
escapeCode = "";
|
|
}
|
|
if (escape && (c != StartEsc))
|
|
escapeCode.append(c);
|
|
}
|
|
if (!result.size())
|
|
return "";
|
|
return "^" + result.join(",") + ";";
|
|
}
|
|
}
|
|
|
|
} |