// Parser.cpp


#include <string>
#include <cassert>
#include <cctype>
#include <cstring>
#include "Parser.hpp"


namespace NGBW {


// Parser


size_t Parser::FindFirstOf(char value, size_t offset)
{
	assert(m_line);

	while (m_line[offset] != '\0') {
		if (m_line[offset] == value)
			return offset;

		offset += 1;
	}

	return std::string::npos;
}

size_t Parser::FindFirstNotSpace(size_t offset)
{
	assert(m_line);

	while (m_line[offset] != '\0') {
		if (!std::isspace(m_line[offset]))
			return offset;

		offset += 1;
	}

	return std::string::npos;
}

size_t Parser::FindFirstSpace(size_t offset)
{
	assert(m_line);

	while (m_line[offset] != '\0') {
		if (std::isspace(m_line[offset]))
			return offset;

		offset += 1;
	}

	return std::string::npos;
}

size_t Parser::FindLastNotSpace()
{
	return FindLastNotSpace(std::strlen(m_line) - 1);
}

size_t Parser::FindLastNotSpace(size_t offset)
{
	assert(m_line);

	int index = static_cast<int>(offset);

	while (index >= 0) {
		if (!std::isspace(m_line[index]))
			return index;

		index -= 1;
	}

	return std::string::npos;
}

size_t Parser::FindFirstDigit(size_t offset)
{
	assert(m_line);

	while (m_line[offset] != '\0') {
		if (std::isdigit(m_line[offset]))
			return offset;

		offset += 1;
	}

	return std::string::npos;
}

size_t Parser::FindFirstNotDigit(size_t offset)
{
	assert(m_line);

	while (m_line[offset] != '\0') {
		if (!std::isdigit(m_line[offset]))
			return offset;

		offset += 1;
	}

	return std::string::npos;
}


} // namespace NGBW