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author | Christopher Speller <crspeller@gmail.com> | 2017-06-21 19:06:17 -0700 |
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committer | Corey Hulen <corey@hulen.com> | 2017-06-21 19:06:17 -0700 |
commit | 42f28ab8e374137fe3f5d25424489d879d4724f8 (patch) | |
tree | 20353f2446b506d32e6d353b72a57bf48f070389 /vendor/github.com/go-ini/ini/parser.go | |
parent | 6b39c308d882a0aeac533f8ab1d90b48a2ae4b5a (diff) | |
download | chat-42f28ab8e374137fe3f5d25424489d879d4724f8.tar.gz chat-42f28ab8e374137fe3f5d25424489d879d4724f8.tar.bz2 chat-42f28ab8e374137fe3f5d25424489d879d4724f8.zip |
Updating server dependancies (#6712)
Diffstat (limited to 'vendor/github.com/go-ini/ini/parser.go')
-rw-r--r-- | vendor/github.com/go-ini/ini/parser.go | 361 |
1 files changed, 0 insertions, 361 deletions
diff --git a/vendor/github.com/go-ini/ini/parser.go b/vendor/github.com/go-ini/ini/parser.go deleted file mode 100644 index 6c0b10745..000000000 --- a/vendor/github.com/go-ini/ini/parser.go +++ /dev/null @@ -1,361 +0,0 @@ -// Copyright 2015 Unknwon -// -// Licensed under the Apache License, Version 2.0 (the "License"): you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -// License for the specific language governing permissions and limitations -// under the License. - -package ini - -import ( - "bufio" - "bytes" - "fmt" - "io" - "strconv" - "strings" - "unicode" -) - -type tokenType int - -const ( - _TOKEN_INVALID tokenType = iota - _TOKEN_COMMENT - _TOKEN_SECTION - _TOKEN_KEY -) - -type parser struct { - buf *bufio.Reader - isEOF bool - count int - comment *bytes.Buffer -} - -func newParser(r io.Reader) *parser { - return &parser{ - buf: bufio.NewReader(r), - count: 1, - comment: &bytes.Buffer{}, - } -} - -// BOM handles header of UTF-8, UTF-16 LE and UTF-16 BE's BOM format. -// http://en.wikipedia.org/wiki/Byte_order_mark#Representations_of_byte_order_marks_by_encoding -func (p *parser) BOM() error { - mask, err := p.buf.Peek(2) - if err != nil && err != io.EOF { - return err - } else if len(mask) < 2 { - return nil - } - - switch { - case mask[0] == 254 && mask[1] == 255: - fallthrough - case mask[0] == 255 && mask[1] == 254: - p.buf.Read(mask) - case mask[0] == 239 && mask[1] == 187: - mask, err := p.buf.Peek(3) - if err != nil && err != io.EOF { - return err - } else if len(mask) < 3 { - return nil - } - if mask[2] == 191 { - p.buf.Read(mask) - } - } - return nil -} - -func (p *parser) readUntil(delim byte) ([]byte, error) { - data, err := p.buf.ReadBytes(delim) - if err != nil { - if err == io.EOF { - p.isEOF = true - } else { - return nil, err - } - } - return data, nil -} - -func cleanComment(in []byte) ([]byte, bool) { - i := bytes.IndexAny(in, "#;") - if i == -1 { - return nil, false - } - return in[i:], true -} - -func readKeyName(in []byte) (string, int, error) { - line := string(in) - - // Check if key name surrounded by quotes. - var keyQuote string - if line[0] == '"' { - if len(line) > 6 && string(line[0:3]) == `"""` { - keyQuote = `"""` - } else { - keyQuote = `"` - } - } else if line[0] == '`' { - keyQuote = "`" - } - - // Get out key name - endIdx := -1 - if len(keyQuote) > 0 { - startIdx := len(keyQuote) - // FIXME: fail case -> """"""name"""=value - pos := strings.Index(line[startIdx:], keyQuote) - if pos == -1 { - return "", -1, fmt.Errorf("missing closing key quote: %s", line) - } - pos += startIdx - - // Find key-value delimiter - i := strings.IndexAny(line[pos+startIdx:], "=:") - if i < 0 { - return "", -1, ErrDelimiterNotFound{line} - } - endIdx = pos + i - return strings.TrimSpace(line[startIdx:pos]), endIdx + startIdx + 1, nil - } - - endIdx = strings.IndexAny(line, "=:") - if endIdx < 0 { - return "", -1, ErrDelimiterNotFound{line} - } - return strings.TrimSpace(line[0:endIdx]), endIdx + 1, nil -} - -func (p *parser) readMultilines(line, val, valQuote string) (string, error) { - for { - data, err := p.readUntil('\n') - if err != nil { - return "", err - } - next := string(data) - - pos := strings.LastIndex(next, valQuote) - if pos > -1 { - val += next[:pos] - - comment, has := cleanComment([]byte(next[pos:])) - if has { - p.comment.Write(bytes.TrimSpace(comment)) - } - break - } - val += next - if p.isEOF { - return "", fmt.Errorf("missing closing key quote from '%s' to '%s'", line, next) - } - } - return val, nil -} - -func (p *parser) readContinuationLines(val string) (string, error) { - for { - data, err := p.readUntil('\n') - if err != nil { - return "", err - } - next := strings.TrimSpace(string(data)) - - if len(next) == 0 { - break - } - val += next - if val[len(val)-1] != '\\' { - break - } - val = val[:len(val)-1] - } - return val, nil -} - -// hasSurroundedQuote check if and only if the first and last characters -// are quotes \" or \'. -// It returns false if any other parts also contain same kind of quotes. -func hasSurroundedQuote(in string, quote byte) bool { - return len(in) > 2 && in[0] == quote && in[len(in)-1] == quote && - strings.IndexByte(in[1:], quote) == len(in)-2 -} - -func (p *parser) readValue(in []byte, ignoreContinuation, ignoreInlineComment bool) (string, error) { - line := strings.TrimLeftFunc(string(in), unicode.IsSpace) - if len(line) == 0 { - return "", nil - } - - var valQuote string - if len(line) > 3 && string(line[0:3]) == `"""` { - valQuote = `"""` - } else if line[0] == '`' { - valQuote = "`" - } - - if len(valQuote) > 0 { - startIdx := len(valQuote) - pos := strings.LastIndex(line[startIdx:], valQuote) - // Check for multi-line value - if pos == -1 { - return p.readMultilines(line, line[startIdx:], valQuote) - } - - return line[startIdx : pos+startIdx], nil - } - - // Won't be able to reach here if value only contains whitespace - line = strings.TrimSpace(line) - - // Check continuation lines when desired - if !ignoreContinuation && line[len(line)-1] == '\\' { - return p.readContinuationLines(line[:len(line)-1]) - } - - // Check if ignore inline comment - if !ignoreInlineComment { - i := strings.IndexAny(line, "#;") - if i > -1 { - p.comment.WriteString(line[i:]) - line = strings.TrimSpace(line[:i]) - } - } - - // Trim single quotes - if hasSurroundedQuote(line, '\'') || - hasSurroundedQuote(line, '"') { - line = line[1 : len(line)-1] - } - return line, nil -} - -// parse parses data through an io.Reader. -func (f *File) parse(reader io.Reader) (err error) { - p := newParser(reader) - if err = p.BOM(); err != nil { - return fmt.Errorf("BOM: %v", err) - } - - // Ignore error because default section name is never empty string. - section, _ := f.NewSection(DEFAULT_SECTION) - - var line []byte - var inUnparseableSection bool - for !p.isEOF { - line, err = p.readUntil('\n') - if err != nil { - return err - } - - line = bytes.TrimLeftFunc(line, unicode.IsSpace) - if len(line) == 0 { - continue - } - - // Comments - if line[0] == '#' || line[0] == ';' { - // Note: we do not care ending line break, - // it is needed for adding second line, - // so just clean it once at the end when set to value. - p.comment.Write(line) - continue - } - - // Section - if line[0] == '[' { - // Read to the next ']' (TODO: support quoted strings) - // TODO(unknwon): use LastIndexByte when stop supporting Go1.4 - closeIdx := bytes.LastIndex(line, []byte("]")) - if closeIdx == -1 { - return fmt.Errorf("unclosed section: %s", line) - } - - name := string(line[1:closeIdx]) - section, err = f.NewSection(name) - if err != nil { - return err - } - - comment, has := cleanComment(line[closeIdx+1:]) - if has { - p.comment.Write(comment) - } - - section.Comment = strings.TrimSpace(p.comment.String()) - - // Reset aotu-counter and comments - p.comment.Reset() - p.count = 1 - - inUnparseableSection = false - for i := range f.options.UnparseableSections { - if f.options.UnparseableSections[i] == name || - (f.options.Insensitive && strings.ToLower(f.options.UnparseableSections[i]) == strings.ToLower(name)) { - inUnparseableSection = true - continue - } - } - continue - } - - if inUnparseableSection { - section.isRawSection = true - section.rawBody += string(line) - continue - } - - kname, offset, err := readKeyName(line) - if err != nil { - // Treat as boolean key when desired, and whole line is key name. - if IsErrDelimiterNotFound(err) && f.options.AllowBooleanKeys { - kname, err := p.readValue(line, f.options.IgnoreContinuation, f.options.IgnoreInlineComment) - if err != nil { - return err - } - key, err := section.NewBooleanKey(kname) - if err != nil { - return err - } - key.Comment = strings.TrimSpace(p.comment.String()) - p.comment.Reset() - continue - } - return err - } - - // Auto increment. - isAutoIncr := false - if kname == "-" { - isAutoIncr = true - kname = "#" + strconv.Itoa(p.count) - p.count++ - } - - value, err := p.readValue(line[offset:], f.options.IgnoreContinuation, f.options.IgnoreInlineComment) - if err != nil { - return err - } - - key, err := section.NewKey(kname, value) - if err != nil { - return err - } - key.isAutoIncrement = isAutoIncr - key.Comment = strings.TrimSpace(p.comment.String()) - p.comment.Reset() - } - return nil -} |