Differential D4501 Diff 14173 extern/draco/dracoenc/src/draco/io/parser_utils.h

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extern/draco/dracoenc/src/draco/io/parser_utils.h

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				// Copyright 2016 The Draco Authors.
				//
				// Licensed under the Apache License, Version 2.0 (the "License");
				// you may not use this file except in compliance with the License.
				// You may obtain a copy of the License at
				//
				// http://www.apache.org/licenses/LICENSE-2.0
				//
				// Unless required by applicable law or agreed to in writing, software
				// distributed under the License is distributed on an "AS IS" BASIS,
				// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
				// See the License for the specific language governing permissions and
				// limitations under the License.
				//
				#ifndef DRACO_IO_PARSER_UTILS_H_
				#define DRACO_IO_PARSER_UTILS_H_

				#include "draco/core/decoder_buffer.h"

				namespace draco {
				namespace parser {

				// Skips to first character not included in \|skip_chars\|.
				void SkipCharacters(DecoderBuffer buffer, const char skip_chars);

				// Skips any whitespace until a regular character is reached.
				void SkipWhitespace(DecoderBuffer *buffer);

				// Returns true if the next character is a whitespace.
				// \|end_reached\| is set to true when the end of the stream is reached.
				bool PeekWhitespace(DecoderBuffer buffer, bool end_reached);
				void SkipLine(DecoderBuffer *buffer);

				// Parses signed floating point number or returns false on error.
				bool ParseFloat(DecoderBuffer buffer, float value);

				// Parses a signed integer (can be preceded by '-' or '+' characters.
				bool ParseSignedInt(DecoderBuffer buffer, int32_t value);

				// Parses an unsigned integer. It cannot be preceded by '-' or '+'
				// characters.
				bool ParseUnsignedInt(DecoderBuffer buffer, uint32_t value);

				// Returns -1 if c == '-'.
				// Returns +1 if c == '+'.
				// Returns 0 otherwise.
				int GetSignValue(char c);

				// Parses a string until a whitespace or end of file is reached.
				bool ParseString(DecoderBuffer buffer, std::string out_string);

				// Parses the entire line into the buffer (excluding the new line character).
				void ParseLine(DecoderBuffer buffer, std::string out_string);

				// Parses line and stores into a new decoder buffer.
				DecoderBuffer ParseLineIntoDecoderBuffer(DecoderBuffer *buffer);

				// Returns a string with all characters converted to lower case.
				std::string ToLower(const std::string &str);

				} // namespace parser
				} // namespace draco

				#endif // DRACO_IO_PARSER_UTILS_H_