diff options
| author | Mistivia <i@mistivia.com> | 2025-11-02 15:27:18 +0800 |
|---|---|---|
| committer | Mistivia <i@mistivia.com> | 2025-11-02 15:27:18 +0800 |
| commit | e9c24f4af7ed56760f6db7941827d09f6db9020b (patch) | |
| tree | 62128c43b883ce5e3148113350978755779bb5de /teleirc/matterbridge/vendor/github.com/gomarkdown/markdown/parser/attribute.go | |
| parent | 58d5e7cfda4781d8a57ec52aefd02983835c301a (diff) | |
add matterbridge
Diffstat (limited to 'teleirc/matterbridge/vendor/github.com/gomarkdown/markdown/parser/attribute.go')
| -rw-r--r-- | teleirc/matterbridge/vendor/github.com/gomarkdown/markdown/parser/attribute.go | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/teleirc/matterbridge/vendor/github.com/gomarkdown/markdown/parser/attribute.go b/teleirc/matterbridge/vendor/github.com/gomarkdown/markdown/parser/attribute.go new file mode 100644 index 0000000..5fdb070 --- /dev/null +++ b/teleirc/matterbridge/vendor/github.com/gomarkdown/markdown/parser/attribute.go @@ -0,0 +1,116 @@ +package parser + +import ( + "bytes" + + "github.com/gomarkdown/markdown/ast" +) + +// attribute parses a (potential) block attribute and adds it to p. +func (p *Parser) attribute(data []byte) []byte { + if len(data) < 3 { + return data + } + i := 0 + if data[i] != '{' { + return data + } + i++ + + // last character must be a } otherwise it's not an attribute + end := skipUntilChar(data, i, '\n') + if data[end-1] != '}' { + return data + } + + i = skipSpace(data, i) + b := &ast.Attribute{Attrs: make(map[string][]byte)} + + esc := false + quote := false + trail := 0 +Loop: + for ; i < len(data); i++ { + switch data[i] { + case ' ', '\t', '\f', '\v': + if quote { + continue + } + chunk := data[trail+1 : i] + if len(chunk) == 0 { + trail = i + continue + } + switch { + case chunk[0] == '.': + b.Classes = append(b.Classes, chunk[1:]) + case chunk[0] == '#': + b.ID = chunk[1:] + default: + k, v := keyValue(chunk) + if k != nil && v != nil { + b.Attrs[string(k)] = v + } else { + // this is illegal in an attribute + return data + } + } + trail = i + case '"': + if esc { + esc = !esc + continue + } + quote = !quote + case '\\': + esc = !esc + case '}': + if esc { + esc = !esc + continue + } + chunk := data[trail+1 : i] + if len(chunk) == 0 { + return data + } + switch { + case chunk[0] == '.': + b.Classes = append(b.Classes, chunk[1:]) + case chunk[0] == '#': + b.ID = chunk[1:] + default: + k, v := keyValue(chunk) + if k != nil && v != nil { + b.Attrs[string(k)] = v + } else { + return data + } + } + i++ + break Loop + default: + esc = false + } + } + + p.attr = b + return data[i:] +} + +// key="value" quotes are mandatory. +func keyValue(data []byte) ([]byte, []byte) { + chunk := bytes.SplitN(data, []byte{'='}, 2) + if len(chunk) != 2 { + return nil, nil + } + key := chunk[0] + value := chunk[1] + + if len(value) < 3 || len(key) == 0 { + return nil, nil + } + if value[0] != '"' || value[len(value)-1] != '"' { + return key, nil + } + return key, value[1 : len(value)-1] +} |
