ini.go

package go_conf

import (
	"fmt"
	"io"
	"os"
	"strings"
)

type iniContext struct {
	cfgCtx *configContext
	data   map[string]interface{}
}

func (ctx *iniContext) scan(filename string) {
	fullName := fmt.Sprintf("%s/%s", ctx.cfgCtx.workDir, filename)

	if ctx.data == nil {
		ctx.data = make(map[string]interface{})
	}

	var iniFile []byte
	if fd, e := os.Open(fullName); e != nil {
		return
	} else {
		defer fd.Close()
		if iniFile, e = io.ReadAll(fd); e != nil {
			ctx.data = nil
			return
		}
	}

	str := string(iniFile)
	lines := strings.Split(str, "\n")

	valueMap := make(map[string]interface{})
	for idx := range lines {
		line := strings.Trim(lines[idx], " ")
		line = strings.Trim(line, "\r")
		if len(line) > 0 && !strings.HasPrefix(line, ";") {
			pos := strings.Index(line, "=")
			k := strings.Trim(line[:pos], " ")
			v := strings.Trim(line[pos+1:], " ")
			valueMap[k] = v
		}
	}

	ctx.data = valueMap
}

func (ctx *iniContext) getVal(key string) (interface{}, bool) {
	v, ok := ctx.data[key]
	return v, ok
}

func (ctx *configContext) getIniValFromFile(filename, key string) (interface{}, bool) {
	iniCtx := ctx.fileMapping[filename]
	if iniCtx == nil {
		return nil, false
	}
	key = strings.ToLower(key)
	result, ok := iniCtx.(*iniContext).getVal(key)
	if ok {
		trace("Ini(%s) - found: %s = %v", filename, key, result)
	}

	return result, ok
}