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tomlreader.cpp
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tomlreader.cpp
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#include "tomlreader.h"
#include "keytable.h"
#include "valuelist.h"
#include "re8map.h"
#include "ucode8.h"
#include "ustr8.h"
#include "token8stream.h"
#include <ostream>
#include <sstream>
#include <fstream>
#include <limits>
#include <algorithm>
#include <cstdint>
using namespace pun;
const char* TomlReader::PHP_NAME = "Pun\\TomlReader";
void TomlReader::setup_ext(Php::Extension& ext)
{
Php::Class<TomlReader> rdr(TomlReader::PHP_NAME);
rdr.method<&TomlReader::parse> ("parse");
rdr.method<&TomlReader::parseFile>("parseFile");
rdr.method<&TomlReader::getUseVersion>("getUseVersion");
rdr.method<&TomlReader::getTomlVersion>("getTomlVersion");
ext.add(std::move(rdr));
}
const char* const cRexBool = "^(true|false)";
const char* const cDateTime = "^(\\d{4}-\\d{2}-\\d{2}(T\\d{2}:\\d{2}:\\d{2}(\\.\\d{6})?(Z|-\\d{2}:\\d{2})?)?)";
const char* const cFloatExp = "^([+-]?((\\d_?)+([\\.](\\d_?)*)?)([eE][+-]?(_?\\d_?)+))";
const char* const cFloatDot = "^([+-]?((\\d_?)+([\\.](\\d_?)*)))";
const char* const cInteger = "^([+-]?(\\d_?)+)";
const char* const cQuote3 = "^(\"\"\")";
const char* const cApost3 = "^(\'\'\')";
const char* const cSpace = "^(\\h+)";
const char* const cBareKey = "^([-A-Z_a-z0-9]+)";
const char* const cEscapedChar = "^(\\\\(n|t|r|f|b|\\\"|\\\\|u[0-9A-Fa-f]{4,4}|U[0-9A-Fa-f]{8,8}))";
const char* const cNoEscape = "^([^\\x{0}-\\x{19}\\x{22}\\x{5C}]+)";
const char* const cLitString = "^([^\\x{0}-\\x{19}\\x{27}]+)";
const char* const cAnyValue = "^([^\\s\\]\\},]+)";
const char* const cSpacedEqual = "^(\\h*=\\h*)";
const char* const cCommentStuff = "^(\\V*)";
const char* const cHashComment = "^(\\h*#\\V*|\\h*)";
const char* const cDig_Dig = "^([^\\d]_[^\\d])|(_$)";
//const char* const cNo_0Digit = "^(0\\d+)";
const char* const cFloat_E = "([^\\d]_[^\\d])|_[eE]|[eE]_|(_$)";
#ifdef ZTS
/**
* Mutex so that getGlobalRex construction only happens once
* by one process at a time
* @var std::mutex
*/
std::mutex mutexRexGlobal;
#endif
Rex* Rex::_globalRex;
Rex* Rex::getGlobalRex()
{
#ifdef ZTS
// lock the mutex
std::unique_lock<std::mutex> lock(mutexRexGlobal);
#endif
if (Rex::_globalRex == nullptr) {
Rex::_globalRex = new Rex();
}
return Rex::_globalRex;
}
Rex::Rex()
{
_re8 = new Re8map();
auto mptr = _re8->_remap.get();
mptr->setRex(pun::makeSharedRe(Rex::Bool, cRexBool, strlen(cRexBool) ));
mptr->setRex(pun::makeSharedRe(Rex::DateTime, cDateTime, strlen(cDateTime) ));
mptr->setRex(pun::makeSharedRe(Rex::FloatExp, cFloatExp, strlen(cFloatExp) ));
mptr->setRex(pun::makeSharedRe(Rex::FloatDot, cFloatDot, strlen(cFloatDot) ));
mptr->setRex(pun::makeSharedRe(Rex::Integer, cInteger, strlen(cInteger) ));
mptr->setRex(pun::makeSharedRe(Rex::Quote3, cQuote3, strlen(cQuote3) ));
mptr->setRex(pun::makeSharedRe(Rex::Apost3, cApost3, strlen(cApost3) ));
mptr->setRex(pun::makeSharedRe(Rex::Space, cSpace, strlen(cSpace) ));
mptr->setRex(pun::makeSharedRe(Rex::BareKey, cBareKey, strlen(cBareKey) ));
mptr->setRex(pun::makeSharedRe(Rex::EscapedChar, cEscapedChar, strlen(cEscapedChar) ));
mptr->setRex(pun::makeSharedRe(Rex::NoEscape, cNoEscape, strlen(cNoEscape) ));
mptr->setRex(pun::makeSharedRe(Rex::LitString, cLitString, strlen(cLitString) ));
mptr->setRex(pun::makeSharedRe(Rex::AnyValue, cAnyValue, strlen(cAnyValue) ));
mptr->setRex(pun::makeSharedRe(Rex::SpacedEqual, cSpacedEqual, strlen(cSpacedEqual) ));
mptr->setRex(pun::makeSharedRe(Rex::CommentStuff, cCommentStuff, strlen(cCommentStuff) ));
mptr->setRex(pun::makeSharedRe(Rex::HashComment, cHashComment, strlen(cHashComment) ));
mptr->setRex(pun::makeSharedRe(Rex::Dig_Dig, cDig_Dig, strlen(cDig_Dig) ));
//mptr->setRex(pun::makeSharedRe(Rex::No_0Digit, cNo_0Digit, strlen(cNo_0Digit) ));
mptr->setRex(pun::makeSharedRe(Rex::Float_E, cFloat_E, strlen(cFloat_E) ));
_singles = std::make_shared<CharMap>();
auto cmap = _singles.get();
cmap->_map.reserve(31);
cmap->_map.insert( {
{'=', Rex::Equal},
{'[', Rex::LSquare},
{']', Rex::RSquare},
{'.', Rex::Dot},
{',', Rex::Comma},
{'{', Rex::LCurly},
{'}', Rex::RCurly},
{'\'', Rex::Apost1},
{'\"', Rex::Quote1},
{'#', Rex::Hash},
{'\\', Rex::Escape},
{' ', Rex::Space},
{'\t', Rex::Space},
{'\f', Rex::Space},
{'\b', Rex::Space}
});
_keyRe = std::move(std::vector<int>( {Rex::Space, Rex::BareKey, Rex::Integer}));
_valueRe = std::move(std::vector<int>( {Rex::Bool, Rex::DateTime, Rex::FloatExp, Rex::FloatDot, Rex::Integer}));
_estrRe = std::move(std::vector<int>( {Rex::Space, Rex::NoEscape, Rex::EscapedChar, Rex::Quote3}));
_lstrRe = std::move(std::vector<int>( {Rex::LitString }));
_mlstrRe = std::move(std::vector<int>( {Rex::LitString, Rex::Apost3}));
}
Rex::~Rex()
{
}
TomlReader::~TomlReader()
{
}
Php::Value
TomlReader::getUseVersion()
{
return "Pun\\TomlReader 0.4 PHP-CPP 2.0.0";
}
Php::Value
TomlReader::getTomlVersion()
{
return "0.4 Toml Specification";
}
Php::Value
TomlReader::parseFile(Php::Parameters& param)
{
pun::check_String(param,0);
std::string path = param[0];
std::ifstream in(path, std::ios::binary);
std::string contents{std::istreambuf_iterator<char>{in}, {}};
auto sp = std::make_shared<UStrData>();
sp.get()->assign(std::move(contents));
sp.get()->ensureUTF8();
auto parser = new TomlReader();
parser->setData(sp);
return parser->doParse();
}
TomlReader::TomlReader() :
_myrex(nullptr),
_table(nullptr),
_root(nullptr),
_stackTop(0),
_expSetId(0)
{
_myrex = Rex::getGlobalRex();
_src = std::make_shared<UStrData>();
// Reference counted objects ??
_ts = new Token8Stream();
_v_ts = Php::Object(Token8Stream::PHP_NAME, _ts);
//
_ts->fn_setEOS(Rex::EOS);
_ts->fn_setEOL(Rex::Newline);
_ts->fn_setUnknown(Rex::AnyChar);
_remap = _myrex->_re8->_remap;
_ts->fn_setMap(_remap);
_ts->fn_setSingles(_myrex->_singles);
this->setExpSet(eKey);
}
void TomlReader::popExpSet()
{
int temp = _expStack.back();
_expStack.pop_back();
setExpSet(temp);
}
void TomlReader::pushExpSet(int id)
{
_expStack.push_back(_expSetId);
this->setExpSet(id);
}
void TomlReader::setExpSet(int id)
{
_expSetId = id;
switch(id) {
case eKey:
_ts->setExpSet(_myrex->_keyRe);
break;
case eScaler:
_ts->setExpSet(_myrex->_valueRe);
break;
case eLString:
_ts->setExpSet(_myrex->_lstrRe);
break;
case eBString:
_ts->setExpSet(_myrex->_estrRe);
break;
case eMLString:
_ts->setExpSet(_myrex->_mlstrRe);
break;
default:
throw Php::Exception("TomlReader::setExpSet invalid constant");
break;
}
}
//* try to ensure entire input is UTF-8, convert, rewrite as necessary.
//* if original UTF-8 with BOM, leave BOM in place, return offset.
Php::Value TomlReader::parse(Php::Parameters ¶m)
{
if (param.size() < 1) {
throw Php::Exception("Expected string or UStr8 object");
}
Php::Value& val = param[0];
if (val.isString()) {
_src.get()->assign(val, val.size());
}
else if (val.isObject()) {
if (val.instanceOf(UStr8::PHP_NAME)) {
auto u8 = (UStr8*) val.implementation();
_src = u8->_str;
}
}
return doParse();
}
Php::Value TomlReader::doParse()
{
try {
_ts->fn_setString(_src);
//Php::out << "Source length " << _src.get()->_view.size() << std::endl;
_root = new KeyTable();
_v_root = Php::Object(KeyTable::PHP_NAME, _root);
_table = _root;
auto tokenId = _ts->fn_moveNextId();
unsigned int loopct = 0;
while (tokenId != Rex::EOS)
{
loopct++;
//Php::out << loopct << ": " << _ts->fn_beforeChar(10) << " ExpSet " << fn_getExpSetId() << std::endl;
//Php::out << "id: " << tokenId << " pos: " << _ts->fn_getOffset() << std::endl;
switch(tokenId)
{
case Rex::Hash:
parseComment();
tokenId = _ts->fn_moveNextId();
break;
case Rex::Space:
case Rex::Newline:
tokenId = _ts->fn_moveNextId();
break;
case Rex::Quote1:
case Rex::BareKey:
case Rex::Apost1:
case Rex::Integer:
parseKeyValue();
tokenId = finishLine();
break;
case Rex::LSquare:
parseTablePath();
tokenId = finishLine();
break;
default:
syntaxError("Expect Key = , [Path] or # Comment");
break;
}
}
}
// some exceptions don't know the parse context, so all line, value
// context information to be added here.
catch (Php::Exception& oh_no) {
std::stringstream ss;
ss << "Toml Parse at line " << _ts->getLine() << ". " << oh_no.what();
const std::string& value = _ts->getValue();
if (value.size() > 0) {
ss << ". Value { " << value << " }.";
}
else {
ss << ".";
}
throw Php::Exception(ss.str());
}
return _v_root;
}
void TomlReader::syntaxError(const std::string& s) {
syntaxError(s.data());
}
void TomlReader::valueError(const char* emsg, const std::string& value) {
std::string msg = emsg;
msg += ". Value { " + value + " }";
throw Php::Exception(msg);
}
void TomlReader::syntaxError(const char* msg)
{
throw Php::Exception(msg);
}
void TomlReader::parseComment()
{
_ts->fn_moveRegId(Rex::CommentStuff);
}
int TomlReader::finishLine() {
// Php::out << "Finish pos: " << _ts->fn_getOffset() << std::endl;
_ts->fn_moveRegId(Rex::HashComment);
int result = _ts->fn_moveNextId();
if (result != Rex::Newline && result != Rex::EOS) {
syntaxError("Expected NEWLINE or EOS");
}
// Php::out << "Line end pos: " << _ts->fn_getOffset() << " " << _ts->fn_getValue() << std::endl;
return result;
}
void TomlReader::parseKeyName(std::string& name)
{
auto id = _ts->fn_getId();
switch(id) {
case Rex::BareKey: {
auto sv = _ts->fn_getValue();
name.assign(sv.data(), sv.size());
}
//_ts->fn_moveValue(name);
break;
case Rex::Quote1:
this->parseQString(name);
break;
case Rex::Apost1:
this->parseLitString(name);
break;
case Rex::Integer:
this->parseInteger(name);
break;
default:
this->syntaxError("Improper Key");
break;
}
}
void TomlReader::parseQString(std::string& sval)
{
this->pushExpSet(eBString);
auto id = _ts->fn_moveNextId();
svx::string_view temp;
while(id != Rex::Quote1) {
if (id == Rex::Newline || id == Rex::EOS || id == Rex::Escape)
{
this->syntaxError("parseEscString: Unfinished string value");
}
else if (id == Rex::EscapedChar) {
sval += escString(_ts->fn_getValue());
}
else {
temp = _ts->fn_getValue();
sval.append(temp.data(), temp.size());
}
id = _ts->fn_moveNextId();
}
this->popExpSet();
return;
}
void TomlReader::invalidEscChar(char eChar) {
std::stringstream ss;
ss << "Invalid escaped character chr(" << int(eChar) << ")";
syntaxError(ss.str());
}
/*
bool TomlReader::fn_moveLiteralStr(svx::string_view& view) {
Token8 token;
bool loop = true;
auto before = _ts->fn_getOffset();
while(loop) {
// only detects singles, EOS, Newline
_ts->fn_peekToken(&token);
switch(token._id) {
case Rex::Apost1:
case Rex::Newline:
case Rex::EOS:
loop = false;
break;
case Rex::AnyChar:
default:
char32_t check = _ts->fn_getChar32();
if (check < 0x20) {
loop = false;
}
else {
_ts->fn_acceptToken(&token);
}
break;
}
}
auto after = _ts->fn_getOffset();
if (after > before) {
view = _ts->fn_substr(before, after - before);
return true;
}
return false;
}
*/
void TomlReader::parseLitString(std::string& sval)
{
//std::stringstream result;
//svx::string_view value;
_ts->fn_peekToken(&_token);
while (_token._id != Rex::Apost1) {
if (_token._id == Rex::Newline || _token._id == Rex::EOS) {
syntaxError("String value missing closing quote ( ' )");
}
// a literal string is just no control characters,
// and no / (x27)
if (_ts->fn_moveRegId(Rex::LitString)) {
svx::string_view temp = _ts->fn_getValue();
sval.append(temp.data(), temp.size()) ;
}
//if (this->fn_moveLiteralStr(value)) {
// result << value;
//}
else {
syntaxError("Bad literal string value");
}
_ts->fn_peekToken(&_token);
}
_ts->fn_acceptToken(&_token);
}
std::string
TomlReader::escString(svx::string_view sval) {
std::string result;
//Php::out << "parseEscChar len " << sval.size() << ": " << sval << std::endl;
char val = sval.at(1);
switch(val) {
case 'n':
result += "\n";
break;
case 't':
result += '\t';
break;
case 'r':
result += '\r';
break;
case 'b':
result += '\b';
break;
case 'f':
result += '\f';
break;
case '\"':
result += '\"';
break;
case '\\':
result += '\\';
break;
case 'u':
result = pun::hexUniStr8(sval.substr(2,4));
break;
case 'U':
result = pun::hexUniStr8(sval.substr(2,8));
break;
default:
invalidEscChar(val);
break;
}
return result;
}
void
TomlReader::parseMLString(std::string& sval)
{
// std::stringstream result;
svx::string_view temp;
pushExpSet(eMLString);
auto id = _ts->fn_moveNextId();
if (id == Rex::Newline) {
id = _ts->fn_moveNextId();
}
bool doLoop = true;
while(doLoop) {
switch(id) {
case Rex::Newline:
//TODO: platform newline?
sval += "\n";
id = _ts->fn_moveNextId();
break;
case Rex::Apost3:
doLoop = false;
break;
case Rex::EOS:
syntaxError("Missing ''' at end");
break;
default:
temp = _ts->fn_getValue();
sval.append(temp.data(), temp.size());
id = _ts->fn_moveNextId();
break;
}
}
popExpSet();
}
void TomlReader::parseKeyValue()
{
std::string keyName;
this->parseKeyName(keyName);
if (_table->fn_hasK(keyName)) {
this->syntaxError("Duplicate key");
}
if (! _ts->fn_moveRegId(Rex::SpacedEqual) )
{
this->syntaxError("Expected: equal { = }");
}
_ts->fn_peekToken(&_token);
Php::Value rhsValue;
//Php::out << "KeyVal id " << _token._id << " = " << _token._value << std::endl;
if (_token._id == Rex::LSquare) {
_ts->fn_acceptToken(&_token);
// ValueList throws exceptions without line context
ValueList* vlist = new ValueList();
rhsValue = Php::Object(ValueList::PHP_NAME, vlist);
parseArray(vlist);
//Php::out << "End parse Array" << std::endl;
}
else if (_token._id == Rex::LCurly) {
_ts->fn_acceptToken(&_token);
KeyTable* ktab = new KeyTable();
rhsValue = Php::Object(KeyTable::PHP_NAME, ktab);
auto oldTable = _table;
_table = ktab;
parseInlineTable();
_table = oldTable;
}
else {
pun::Pype punt; // anything goes here
parseValue(rhsValue, punt);
}
_table->fn_setKV(keyName, rhsValue);
//Php::out << "Set " << keyName << " value " << rhsValue.debugZval() << std::endl;
}
void TomlReader::arrayMatchError(pun::Pype spunt, pun::Pype punt)
{
std::stringstream ss;
ss << "Cannot add value of type " << pun::getPypeId(punt)
<< " to ValueList of type " << pun::getPypeId(spunt);
throw Php::Exception(ss.str());
}
void TomlReader::parseArray(ValueList *vlist)
{
_ts->fn_peekToken(&_token);
bool doLoop = true;
while(doLoop) {
switch(_token._id) {
case Rex::Space:
_ts->fn_moveRegId(Rex::Space);
_ts->fn_peekToken(&_token);
break;
case Rex::Newline:
_ts->fn_acceptToken(&_token);
_ts->fn_peekToken(&_token);
break;
case Rex::Hash:
_ts->fn_acceptToken(&_token);
parseComment();
_ts->fn_peekToken(&_token);
break;
case Rex::EOS:
_ts->fn_acceptToken(&_token);
syntaxError("parseArray: missing bracket - ]");
break;
case Rex::RSquare:
_ts->fn_acceptToken(&_token);
default:
doLoop = false;
break;
}
}
while(_token._id != Rex::RSquare)
{
if (_token._id == Rex::LSquare) {
_ts->fn_acceptToken(&_token);
auto ct = vlist->fn_size();
if (ct == 0) {
vlist->fn_setTag(Php::Value(pun::tValueList));
}
else {
Php::Value spun = vlist->fn_getTag();
pun::Pype spunt = (pun::Pype)((int) spun);
if (spunt != pun::tValueList) {
arrayMatchError(spunt, pun::tValueList);
}
}
ValueList *subList = new ValueList();
Php::Value subArray(Php::Object(ValueList::PHP_NAME,subList));
vlist->fn_pushBack(subArray);
vlist->fn_setTag(Php::Value(pun::tValueList));
parseArray(subList);
}
else {
Php::Value val;
pun::Pype punt;
parseValue(val,punt);
auto ct = vlist->fn_size();
if (ct == 0) {
vlist->fn_setTag(Php::Value(punt));
}
else {
Php::Value spun = vlist->fn_getTag();
pun::Pype spunt = (pun::Pype)((int) spun);
if (punt != spunt) {
arrayMatchError(spunt, punt);
}
}
vlist->fn_pushBack(val);
}
doLoop = true;
bool gotComma = false;
_ts->fn_peekToken(&_token);
while(doLoop) {
switch(_token._id) {
case Rex::Space:
_ts->fn_moveRegId(Rex::Space);
_ts->fn_peekToken(&_token);
break;
case Rex::Newline:
_ts->fn_acceptToken(&_token);
_ts->fn_peekToken(&_token);
break;
case Rex::Hash:
_ts->fn_acceptToken(&_token);
parseComment();
_ts->fn_peekToken(&_token);
break;
case Rex::Comma:
if (gotComma) {
syntaxError("parseArray: No value between commas");
}
else {
gotComma = true;
}
_ts->fn_acceptToken(&_token);
_ts->fn_peekToken(&_token);
break;
case Rex::RSquare:
//Php::out << "End of Array" << std::endl;
_ts->fn_acceptToken(&_token);
default:
doLoop = false;
break;
}
}
}
}
void TomlReader::parseInlineTable()
{
auto id = _ts->fn_moveNextId();
if (id == Rex::Space) {
id = _ts->fn_moveNextId();
}
if (id != Rex::RCurly) {
parseKeyValue();
id = _ts->fn_moveNextId();
if (id == Rex::Space){
id = _ts->fn_moveNextId();
}
}
while(id == Rex::Comma) {
id = _ts->fn_moveNextId();
if (id == Rex::Space){
id = _ts->fn_moveNextId();
}
parseKeyValue();
id = _ts->fn_moveNextId();
if (id == Rex::Space){
id = _ts->fn_moveNextId();
}
}
if (id != Rex::RCurly) {
syntaxError("Inline table expected final bracket - } ");
}
}
void TomlReader::throw_notFullMatch(const std::string& target, const std::string& cap)
{
std::string msg = "Value { ";
msg += cap + " } is not full match for { " + target + " }";
syntaxError(msg);
}
void TomlReader::fn_checkFullMatch(const std::string& target, const std::string& cap)
{
if (target.size() > cap.size()) {
throw_notFullMatch(target, cap);
}
}
// assume peekToken as just occurred, return value in val.
void TomlReader::parseValue(Php::Value& val, pun::Pype& punt)
{
std::string sval;
//Php::out << "Val id " << _token._id << " = " << _token._value << std::endl;
if (_token._id == Rex::Apost1 )
{
if (_ts->fn_moveRegId(Rex::Apost3)) {
parseMLString(sval);
}
else {
_ts->fn_acceptToken(&_token);
parseLitString(sval);
}
punt = pun::tString;
val = sval;
return;
}
else if (_token._id == Rex::Quote1) {
if (_ts->fn_moveRegId(Rex::Quote3))
{
parseMLQString(sval);
}
else {
_ts->fn_acceptToken(&_token);
parseQString(sval);
}
punt = pun::tString;
val = sval;
return;
}
//Php::out << "value " << _ts->fn_beforeChar(10) << std::endl;
if (!_ts->fn_moveRegId(Rex::AnyValue)) {
syntaxError("No value after = ");
}
else {
_valueText = _ts->fn_getValue();
Pcre8_match matches;
auto ct = _remap.get()->match(_valueText, Rex::Integer, matches);
auto valueLen = _valueText.size();
if (ct > 1) {
const std::string& match = matches._slist[1];
if (match.size() == valueLen) {
parseInteger(sval);
val = std::stol(sval);
punt = pun::tInteger;
return;
}
}
ct = _remap.get()->match(_valueText, Rex::FloatExp, matches);
if (ct > 1) {
const std::string& match = matches._slist[1];
if (match.size() == valueLen) {
parseFloatExp(val);
punt = pun::tFloat;
}
return;
}
ct = _remap.get()->match(_valueText, Rex::FloatDot, matches);
if (ct > 1) {
const std::string& match = matches._slist[1];
if (match.size() == valueLen)
{
parseFloat(val,matches);
punt = pun::tFloat;
return;
}
}
ct = _remap.get()->match(_valueText, Rex::Bool, matches);
if (ct > 1) {
const std::string& match = matches._slist[1];
if (match.size() == valueLen)
{
bool bresult = (match == "true") ? true : false;
punt = pun::tBool;
val = bresult;
return;
}
}
ct = _remap.get()->match(_valueText, Rex::DateTime, matches);
if (ct > 1) {
const std::string& match = matches._slist[1];
if (match.size() == valueLen)
{
parseDateTime(val);
punt = pun::tDateTime;
return;
}
else {
throw_notFullMatch(std::string(_valueText.data(), _valueText.size()), match);
}
}
}
auto sview = _ts->fn_getValue();
std::string errMsg = "No value type match found for " + std::string(sview.data(), sview.size());
// Undo (_ts->fn_getValue()) before throwing.
//Php::out << "Restored = " << _ts->fn_getValue() << std::endl;
syntaxError(errMsg);
}
void TomlReader::parseInteger(std::string& val)
{
Pcre8_match matches;
// don't need expression check if no underscores in string
// reference to full underlying string
// skip the sign
svx::string_view int_str(_valueText);
auto firstChar = int_str[0];
uint64_t prefix = 0;
if (firstChar == '-' || firstChar == '+') {
int_str.remove_prefix(1);
prefix = 1;
}
auto fpos = int_str.find_first_of('_');
if (fpos != svx::string_view::npos) {
bool valid = true;
if (fpos == 0) {
valid = false;
}
else {
fpos = int_str.find_last_of('_');
if (fpos == int_str.size()-1) {
valid = false;
}
}
val.assign(_valueText.data(), _valueText.size());
if (!valid) {
valueError("Invalid integer: Underscore must be between digits", val);
}
val.erase(std::remove(val.begin(), val.end(), '_'), val.end());
int_str = svx::string_view(val.data() + prefix, val.size() - prefix);
}
else {
val.assign(_valueText.data(), _valueText.size());
}
if (int_str[0] == '0' && int_str.size() > 1){
valueError("Invalid integer: Leading zeros not allowed", val);
}
}
void TomlReader::parseFloatExp(Php::Value& val)
{
Pcre8_match matches;
auto ct = _remap.get()->match(_valueText, Rex::Float_E, matches);
std::string copy(_valueText.data(), _valueText.size());
if (ct > 0) {
valueError("Invalid float with exponent: Underscore must be between digits", copy);
}
copy.erase(std::remove(copy.begin(), copy.end(), '_'), copy.end());
_valueText = svx::string_view(copy.data(), copy.size());
ct = _remap.get()->match(_valueText, Rex::No_0Digit, matches);
if (ct > 0) {
valueError("Invalid float with exponent: Underscore must be between digits", copy);
}
//Php::Value sval = _valueText.str();
//val = sval.floatValue();
val = std::stod(copy);
}
void TomlReader::parseFloat(Php::Value& val, Pcre8_match& matches)
{
std::string copy(_valueText.data(), _valueText.size());
if (matches._slist.size() < 5) {
valueError("Wierd Float Capture",copy);
}
if (matches._slist[4].size() <= 1) {
valueError("Float needs at least one digit after decimal point", copy);
}
auto ct = _remap.get()->match(_valueText, Rex::Dig_Dig, matches);
if (ct > 0) {
valueError("Invalid float: Underscore must be between digits", copy);
}
copy.erase(std::remove(copy.begin(), copy.end(), '_'), copy.end());
_valueText = svx::string_view(copy.data(), copy.size());
ct = _remap.get()->match(_valueText, Rex::No_0Digit, matches);
if (ct > 0) {
valueError("Invalid float: Leading zeros not allowed",copy);
}
//Php::Value sval = _valueText.str();
//val = sval.floatValue();
val = std::stod(copy);
}
void TomlReader::parseDateTime(Php::Value& val)
{
std::string copy(_valueText.data(), _valueText.size());
val = Php::Object("DateTime", copy);
}
void TomlReader::parseMLQString(std::string& sval) {
svx::string_view temp;
pushExpSet(eBString);
auto id = _ts->fn_moveNextId();
// Newline straight after opening quotes is ignored
if (id == Rex::Newline) {
id = _ts->fn_moveNextId();
}
bool doLoop = true;
while(doLoop) {
switch(id) {
case Rex::Quote3:
doLoop = false;
break;
case Rex::EOS:
syntaxError("Missing \"\"\" at end");
break;
case Rex::Escape:
do {
id = _ts->fn_moveNextId();
}
while(id == Rex::Space || id == Rex::Newline || id == Rex::Escape);
break;
case Rex::Space:
sval += ' ';
id = _ts->fn_moveNextId();
break;