github.com/AbsaOSS/env-binder@v1.0.1/env/field.go (about)

     1  /*
     2  Copyright 2021 The k8gb Contributors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  
    16  Generated by GoLic, for more details see: https://github.com/AbsaOSS/golic
    17  */
    18  
    19  package env
    20  
    21  import (
    22  	"fmt"
    23  	"strconv"
    24  	"strings"
    25  )
    26  
    27  func boolean(env env) (b bool, err error) {
    28  	var d bool
    29  	if env.def.exists {
    30  		d, err = strconv.ParseBool(env.def.value)
    31  		if err != nil {
    32  			err = fmt.Errorf("can't convert default value %s of '%s' to bool", env.name, env.def.value)
    33  			return
    34  		}
    35  	}
    36  	b, err = GetEnvAsBoolOrFallback(env.name, d)
    37  	return
    38  }
    39  
    40  func float(env env) (f float64, err error) {
    41  	var d float64
    42  	if env.def.exists {
    43  		d, err = strconv.ParseFloat(env.def.value, 64)
    44  		if err != nil {
    45  			err = fmt.Errorf("can't convert default value %s of '%s' to float64", env.name, env.def.value)
    46  			return
    47  		}
    48  	}
    49  	f, err = GetEnvAsFloat64OrFallback(env.name, d)
    50  	if err != nil {
    51  		err = fmt.Errorf("can't read %s and parse value '%s' to float64", env.name, env.value)
    52  	}
    53  	return
    54  }
    55  
    56  func floatSlice(env env) (fs []float64, err error) {
    57  	var d []float64
    58  	if env.def.asStringSlice() != nil {
    59  		d = make([]float64, 0)
    60  		for _, s := range env.def.asStringSlice() {
    61  			var fl float64
    62  			fl, err = strconv.ParseFloat(strings.Trim(s, " "), 64)
    63  			if err != nil {
    64  				err = fmt.Errorf("can't convert default %s to slice of float64", env.def.asStringSlice())
    65  				return
    66  			}
    67  			d = append(d, fl)
    68  		}
    69  	}
    70  	fs, err = GetEnvAsArrayOfFloat64OrFallback(env.name, d)
    71  	if err != nil {
    72  		err = fmt.Errorf("can't parse %s as slice of float64 '%s'", env.name, env.value)
    73  	}
    74  	return
    75  }
    76  
    77  func boolSlice(env env) (bs []bool, err error) {
    78  	var d []bool
    79  	if env.def.asStringSlice() != nil {
    80  		d = make([]bool, 0)
    81  		for _, s := range env.def.asStringSlice() {
    82  			var b bool
    83  			b, err = strconv.ParseBool(strings.Trim(s, " "))
    84  			if err != nil {
    85  				err = fmt.Errorf("can't convert default %s to slice of bool", env.def.asStringSlice())
    86  				return
    87  			}
    88  			d = append(d, b)
    89  		}
    90  	}
    91  	bs, err = GetEnvAsArrayOfBoolOrFallback(env.name, d)
    92  	if err != nil {
    93  		err = fmt.Errorf("can't parse %s as slice of bool '%s'", env.name, env.value)
    94  	}
    95  	return
    96  }