parser.go

// Copyright (C) 2017, Pablo Lalloni <plalloni@gmail.com>.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.

package seared

import "github.com/lalloni/seared/buffer"

type Parser struct {
	name  string
	main  Expression
	debug bool
	log   Log
}

func NewParser(main func(*Builder) Expression) *Parser {
	_, name := callerKeyName()
	parser := &Parser{name: name, log: StandardLog()}
	parser.main = main(newBuilder(parser))
	return parser
}

func (p *Parser) Name() string {
	return p.name
}

func (p *Parser) ParseBuffer(input buffer.Buffer) *Result {
	return p.main.Apply(input, 0)
}

func (p *Parser) ParseString(input string) *Result {
	return p.ParseBuffer(buffer.StringBuffer(input))
}

func (p *Parser) SetLog(log Log) {
	p.log = log
}

func (p *Parser) SetDebug(debug bool) {
	p.debug = debug
}