examples_test.go

Documentation: golang.org/x/text/unicode/cldr

     1  package cldr_test
     2  
     3  import (
     4  	"fmt"
     5  	"os"
     6  	"path/filepath"
     7  
     8  	"golang.org/x/text/internal/gen"
     9  	"golang.org/x/text/unicode/cldr"
    10  )
    11  
    12  func ExampleDecoder() {
    13  	// Obtain the default CLDR reader (only for x/text packages).
    14  
    15  	var d cldr.Decoder
    16  
    17  	// Speed up decoding by setting filters for only what you need.
    18  	d.SetDirFilter("main", "supplemental")
    19  	d.SetSectionFilter("numbers", "plurals")
    20  
    21  	cldr, err := d.DecodeZip(gen.OpenCLDRCoreZip())
    22  	if err != nil {
    23  		fmt.Println("ERROR", err)
    24  		return
    25  	}
    26  	supplemental := cldr.Supplemental()
    27  
    28  	fmt.Println(supplemental.MeasurementData.MeasurementSystem[0].Type)
    29  	for _, lang := range cldr.Locales() {
    30  		data := cldr.RawLDML(lang)
    31  		fmt.Println(lang, data.Identity.Version.Number)
    32  	}
    33  }
    34  
    35  func ExampleDecoder_DecodePath() {
    36  	// This directory will exist if a go generate has been run in any of the
    37  	// packages in x/text using the cldr package.
    38  	path := filepath.FromSlash("../../DATA/cldr/" + cldr.Version)
    39  
    40  	var d cldr.Decoder
    41  
    42  	// Speed up decoding by setting filters for only what you need.
    43  	d.SetDirFilter("main")
    44  	d.SetSectionFilter("numbers")
    45  
    46  	cldr, err := d.DecodePath(path)
    47  	if err != nil {
    48  		// handle error
    49  		fmt.Println("ERROR", err)
    50  		return
    51  	}
    52  	for _, lang := range cldr.Locales() {
    53  		if numbers := cldr.RawLDML(lang).Numbers; numbers != nil {
    54  			fmt.Println(lang, len(numbers.Symbols))
    55  		}
    56  	}
    57  }
    58  
    59  func ExampleDecoder_DecodeZip() {
    60  	// This directory will exist if a go generate has been run in any of the
    61  	// packages in x/text using the cldr package.
    62  	path := filepath.FromSlash("../../DATA/cldr/" + cldr.Version)
    63  
    64  	var d cldr.Decoder
    65  
    66  	r, err := os.Open(filepath.Join(path, "core.zip"))
    67  	if err != nil {
    68  		fmt.Println("error:", err)
    69  		return
    70  	}
    71  
    72  	// Only loading supplemental data can be done much faster using a dir
    73  	// filter.
    74  	d.SetDirFilter("supplemental")
    75  	cldr, err := d.DecodeZip(r)
    76  	if err != nil {
    77  		fmt.Println("error:", err)
    78  		return
    79  	}
    80  
    81  	fmt.Println(cldr.Supplemental().MeasurementData.MeasurementSystem[0].Type)
    82  }
    83  
    84  func ExampleSlice() {
    85  	var dr *cldr.CLDR // assume this is initialized
    86  
    87  	x, _ := dr.LDML("en")
    88  	cs := x.Collations.Collation
    89  	// remove all but the default
    90  	cldr.MakeSlice(&cs).Filter(func(e cldr.Elem) bool {
    91  		return e.GetCommon().Type != x.Collations.Default()
    92  	})
    93  	for i, c := range cs {
    94  		fmt.Println(i, c.Type)
    95  	}
    96  }
    97
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