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Diffstat (limited to 'vendor/github.com/magiconair/properties/load.go')
-rw-r--r-- | vendor/github.com/magiconair/properties/load.go | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/vendor/github.com/magiconair/properties/load.go b/vendor/github.com/magiconair/properties/load.go deleted file mode 100644 index c8e1b58..0000000 --- a/vendor/github.com/magiconair/properties/load.go +++ /dev/null @@ -1,292 +0,0 @@ -// Copyright 2018 Frank Schroeder. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package properties - -import ( - "fmt" - "io/ioutil" - "net/http" - "os" - "strings" -) - -// Encoding specifies encoding of the input data. -type Encoding uint - -const ( - // utf8Default is a private placeholder for the zero value of Encoding to - // ensure that it has the correct meaning. UTF8 is the default encoding but - // was assigned a non-zero value which cannot be changed without breaking - // existing code. Clients should continue to use the public constants. - utf8Default Encoding = iota - - // UTF8 interprets the input data as UTF-8. - UTF8 - - // ISO_8859_1 interprets the input data as ISO-8859-1. - ISO_8859_1 -) - -type Loader struct { - // Encoding determines how the data from files and byte buffers - // is interpreted. For URLs the Content-Type header is used - // to determine the encoding of the data. - Encoding Encoding - - // DisableExpansion configures the property expansion of the - // returned property object. When set to true, the property values - // will not be expanded and the Property object will not be checked - // for invalid expansion expressions. - DisableExpansion bool - - // IgnoreMissing configures whether missing files or URLs which return - // 404 are reported as errors. When set to true, missing files and 404 - // status codes are not reported as errors. - IgnoreMissing bool -} - -// Load reads a buffer into a Properties struct. -func (l *Loader) LoadBytes(buf []byte) (*Properties, error) { - return l.loadBytes(buf, l.Encoding) -} - -// LoadAll reads the content of multiple URLs or files in the given order into -// a Properties struct. If IgnoreMissing is true then a 404 status code or -// missing file will not be reported as error. Encoding sets the encoding for -// files. For the URLs see LoadURL for the Content-Type header and the -// encoding. -func (l *Loader) LoadAll(names []string) (*Properties, error) { - all := NewProperties() - for _, name := range names { - n, err := expandName(name) - if err != nil { - return nil, err - } - - var p *Properties - switch { - case strings.HasPrefix(n, "http://"): - p, err = l.LoadURL(n) - case strings.HasPrefix(n, "https://"): - p, err = l.LoadURL(n) - default: - p, err = l.LoadFile(n) - } - if err != nil { - return nil, err - } - all.Merge(p) - } - - all.DisableExpansion = l.DisableExpansion - if all.DisableExpansion { - return all, nil - } - return all, all.check() -} - -// LoadFile reads a file into a Properties struct. -// If IgnoreMissing is true then a missing file will not be -// reported as error. -func (l *Loader) LoadFile(filename string) (*Properties, error) { - data, err := ioutil.ReadFile(filename) - if err != nil { - if l.IgnoreMissing && os.IsNotExist(err) { - LogPrintf("properties: %s not found. skipping", filename) - return NewProperties(), nil - } - return nil, err - } - return l.loadBytes(data, l.Encoding) -} - -// LoadURL reads the content of the URL into a Properties struct. -// -// The encoding is determined via the Content-Type header which -// should be set to 'text/plain'. If the 'charset' parameter is -// missing, 'iso-8859-1' or 'latin1' the encoding is set to -// ISO-8859-1. If the 'charset' parameter is set to 'utf-8' the -// encoding is set to UTF-8. A missing content type header is -// interpreted as 'text/plain; charset=utf-8'. -func (l *Loader) LoadURL(url string) (*Properties, error) { - resp, err := http.Get(url) - if err != nil { - return nil, fmt.Errorf("properties: error fetching %q. %s", url, err) - } - - if resp.StatusCode == 404 && l.IgnoreMissing { - LogPrintf("properties: %s returned %d. skipping", url, resp.StatusCode) - return NewProperties(), nil - } - - if resp.StatusCode != 200 { - return nil, fmt.Errorf("properties: %s returned %d", url, resp.StatusCode) - } - - body, err := ioutil.ReadAll(resp.Body) - if err != nil { - return nil, fmt.Errorf("properties: %s error reading response. %s", url, err) - } - defer resp.Body.Close() - - ct := resp.Header.Get("Content-Type") - var enc Encoding - switch strings.ToLower(ct) { - case "text/plain", "text/plain; charset=iso-8859-1", "text/plain; charset=latin1": - enc = ISO_8859_1 - case "", "text/plain; charset=utf-8": - enc = UTF8 - default: - return nil, fmt.Errorf("properties: invalid content type %s", ct) - } - - return l.loadBytes(body, enc) -} - -func (l *Loader) loadBytes(buf []byte, enc Encoding) (*Properties, error) { - p, err := parse(convert(buf, enc)) - if err != nil { - return nil, err - } - p.DisableExpansion = l.DisableExpansion - if p.DisableExpansion { - return p, nil - } - return p, p.check() -} - -// Load reads a buffer into a Properties struct. -func Load(buf []byte, enc Encoding) (*Properties, error) { - l := &Loader{Encoding: enc} - return l.LoadBytes(buf) -} - -// LoadString reads an UTF8 string into a properties struct. -func LoadString(s string) (*Properties, error) { - l := &Loader{Encoding: UTF8} - return l.LoadBytes([]byte(s)) -} - -// LoadMap creates a new Properties struct from a string map. -func LoadMap(m map[string]string) *Properties { - p := NewProperties() - for k, v := range m { - p.Set(k, v) - } - return p -} - -// LoadFile reads a file into a Properties struct. -func LoadFile(filename string, enc Encoding) (*Properties, error) { - l := &Loader{Encoding: enc} - return l.LoadAll([]string{filename}) -} - -// LoadFiles reads multiple files in the given order into -// a Properties struct. If 'ignoreMissing' is true then -// non-existent files will not be reported as error. -func LoadFiles(filenames []string, enc Encoding, ignoreMissing bool) (*Properties, error) { - l := &Loader{Encoding: enc, IgnoreMissing: ignoreMissing} - return l.LoadAll(filenames) -} - -// LoadURL reads the content of the URL into a Properties struct. -// See Loader#LoadURL for details. -func LoadURL(url string) (*Properties, error) { - l := &Loader{Encoding: UTF8} - return l.LoadAll([]string{url}) -} - -// LoadURLs reads the content of multiple URLs in the given order into a -// Properties struct. If IgnoreMissing is true then a 404 status code will -// not be reported as error. See Loader#LoadURL for the Content-Type header -// and the encoding. -func LoadURLs(urls []string, ignoreMissing bool) (*Properties, error) { - l := &Loader{Encoding: UTF8, IgnoreMissing: ignoreMissing} - return l.LoadAll(urls) -} - -// LoadAll reads the content of multiple URLs or files in the given order into a -// Properties struct. If 'ignoreMissing' is true then a 404 status code or missing file will -// not be reported as error. Encoding sets the encoding for files. For the URLs please see -// LoadURL for the Content-Type header and the encoding. -func LoadAll(names []string, enc Encoding, ignoreMissing bool) (*Properties, error) { - l := &Loader{Encoding: enc, IgnoreMissing: ignoreMissing} - return l.LoadAll(names) -} - -// MustLoadString reads an UTF8 string into a Properties struct and -// panics on error. -func MustLoadString(s string) *Properties { - return must(LoadString(s)) -} - -// MustLoadFile reads a file into a Properties struct and -// panics on error. -func MustLoadFile(filename string, enc Encoding) *Properties { - return must(LoadFile(filename, enc)) -} - -// MustLoadFiles reads multiple files in the given order into -// a Properties struct and panics on error. If 'ignoreMissing' -// is true then non-existent files will not be reported as error. -func MustLoadFiles(filenames []string, enc Encoding, ignoreMissing bool) *Properties { - return must(LoadFiles(filenames, enc, ignoreMissing)) -} - -// MustLoadURL reads the content of a URL into a Properties struct and -// panics on error. -func MustLoadURL(url string) *Properties { - return must(LoadURL(url)) -} - -// MustLoadURLs reads the content of multiple URLs in the given order into a -// Properties struct and panics on error. If 'ignoreMissing' is true then a 404 -// status code will not be reported as error. -func MustLoadURLs(urls []string, ignoreMissing bool) *Properties { - return must(LoadURLs(urls, ignoreMissing)) -} - -// MustLoadAll reads the content of multiple URLs or files in the given order into a -// Properties struct. If 'ignoreMissing' is true then a 404 status code or missing file will -// not be reported as error. Encoding sets the encoding for files. For the URLs please see -// LoadURL for the Content-Type header and the encoding. It panics on error. -func MustLoadAll(names []string, enc Encoding, ignoreMissing bool) *Properties { - return must(LoadAll(names, enc, ignoreMissing)) -} - -func must(p *Properties, err error) *Properties { - if err != nil { - ErrorHandler(err) - } - return p -} - -// expandName expands ${ENV_VAR} expressions in a name. -// If the environment variable does not exist then it will be replaced -// with an empty string. Malformed expressions like "${ENV_VAR" will -// be reported as error. -func expandName(name string) (string, error) { - return expand(name, []string{}, "${", "}", make(map[string]string)) -} - -// Interprets a byte buffer either as an ISO-8859-1 or UTF-8 encoded string. -// For ISO-8859-1 we can convert each byte straight into a rune since the -// first 256 unicode code points cover ISO-8859-1. -func convert(buf []byte, enc Encoding) string { - switch enc { - case utf8Default, UTF8: - return string(buf) - case ISO_8859_1: - runes := make([]rune, len(buf)) - for i, b := range buf { - runes[i] = rune(b) - } - return string(runes) - default: - ErrorHandler(fmt.Errorf("unsupported encoding %v", enc)) - } - panic("ErrorHandler should exit") -} |