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/**
* Copyright 2014 Paul Querna
*
* 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.
*
*/
package main
import (
_ "github.com/pquerna/ffjson/fflib/v1"
"github.com/pquerna/ffjson/generator"
_ "github.com/pquerna/ffjson/inception"
"flag"
"fmt"
"os"
"path/filepath"
"regexp"
)
var outputPathFlag = flag.String("w", "", "Write generate code to this path instead of ${input}_ffjson.go.")
var goCmdFlag = flag.String("go-cmd", "", "Path to go command; Useful for `goapp` support.")
var importNameFlag = flag.String("import-name", "", "Override import name in case it cannot be detected.")
var forceRegenerateFlag = flag.Bool("force-regenerate", false, "Regenerate every input file, without checking modification date.")
var resetFields = flag.Bool("reset-fields", false, "When unmarshalling reset all fields missing in the JSON")
func usage() {
fmt.Fprintf(os.Stderr, "Usage of %s:\n\n", os.Args[0])
fmt.Fprintf(os.Stderr, "\t%s [options] [input_file]\n\n", os.Args[0])
fmt.Fprintf(os.Stderr, "%s generates Go code for optimized JSON serialization.\n\n", os.Args[0])
flag.PrintDefaults()
os.Exit(1)
}
var extRe = regexp.MustCompile(`(.*)(\.go)$`)
func main() {
flag.Parse()
extra := flag.Args()
if len(extra) != 1 {
usage()
}
inputPath := filepath.ToSlash(extra[0])
var outputPath string
if outputPathFlag == nil || *outputPathFlag == "" {
outputPath = extRe.ReplaceAllString(inputPath, "${1}_ffjson.go")
} else {
outputPath = *outputPathFlag
}
var goCmd string
if goCmdFlag == nil || *goCmdFlag == "" {
goCmd = "go"
} else {
goCmd = *goCmdFlag
}
var importName string
if importNameFlag != nil && *importNameFlag != "" {
importName = *importNameFlag
}
err := generator.GenerateFiles(goCmd, inputPath, outputPath, importName, *forceRegenerateFlag, *resetFields)
if err != nil {
fmt.Fprintf(os.Stderr, "Error: %s:\n\n", err)
os.Exit(1)
}
println(outputPath)
}
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