87 lines
2.6 KiB
Go
87 lines
2.6 KiB
Go
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package config
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import (
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"encoding/json"
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"errors"
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"flag"
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"os"
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)
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type Config struct {
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Cachedir string `json:"cachedir"`
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Connection string `json:"connection"`
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MappingFile string `json:"mapping"`
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LimitTo string `json:"limitto"`
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Srid int `json:"srid"`
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}
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var (
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connection = flag.String("connection", "", "connection parameters")
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mappingFile = flag.String("mapping", "", "mapping file")
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srid = flag.Int("srid", 3857, "srs id")
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configFile = flag.String("config", "", "config (json)")
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)
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func Parse() (*Config, []error) {
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config := &Config{}
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if *configFile != "" {
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f, err := os.Open(*configFile)
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if err != nil {
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return nil, []error{err}
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}
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decoder := json.NewDecoder(f)
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err = decoder.Decode(&config)
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if err != nil {
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return nil, []error{err}
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}
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}
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if *connection != "" {
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config.Connection = *connection
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}
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if config.Srid == 0 {
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config.Srid = 3857
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}
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if *srid != 3857 {
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config.Srid = *srid
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}
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if *mappingFile != "" {
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config.MappingFile = *mappingFile
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}
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errs := checkConfig(config)
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return config, errs
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}
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func checkConfig(config *Config) []error {
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errs := []error{}
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if config.Srid != 3857 {
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errs = append(errs, errors.New("srid!=3857 not implemented"))
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}
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if config.MappingFile == "" {
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errs = append(errs, errors.New("missing mapping"))
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}
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if config.Connection == "" {
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errs = append(errs, errors.New("missing connection"))
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}
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return errs
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}
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// cpuprofile = flag.String("cpuprofile", "", "filename of cpu profile output")
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// httpprofile = flag.String("httpprofile", "", "bind address for profile server")
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// memprofile = flag.String("memprofile", "", "dir name of mem profile output and interval (fname:interval)")
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// cachedir = flag.String("cachedir", "/tmp/goposm", "cache directory")
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// overwritecache = flag.Bool("overwritecache", false, "overwritecache")
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// appendcache = flag.Bool("appendcache", false, "append cache")
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// read = flag.String("read", "", "read")
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// write = flag.Bool("write", false, "write")
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// optimize = flag.Bool("optimize", false, "optimize")
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// diff = flag.Bool("diff", false, "enable diff support")
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// mappingFile = flag.String("mapping", "", "mapping file")
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// deployProduction = flag.Bool("deployproduction", false, "deploy production")
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// revertDeploy = flag.Bool("revertdeploy", false, "revert deploy to production")
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// removeBackup = flag.Bool("removebackup", false, "remove backups from deploy")
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// limitTo = flag.String("limitto", "", "limit to geometries")
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// quiet = flag.Bool("quiet", false, "quiet log output")
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