mirror of
https://github.com/strongdm/comply
synced 2024-11-16 21:04:54 +00:00
118 lines
2.5 KiB
Go
118 lines
2.5 KiB
Go
package ace
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
const unicodeSpace = 32
|
|
|
|
const indentTop = 0
|
|
|
|
// line represents a line of codes.
|
|
type line struct {
|
|
no int
|
|
str string
|
|
indent int
|
|
tokens []string
|
|
opts *Options
|
|
file *File
|
|
}
|
|
|
|
// isEmpty returns true if the line is empty.
|
|
func (l *line) isEmpty() bool {
|
|
return strings.TrimSpace(l.str) == ""
|
|
}
|
|
|
|
// isTopIndent returns true if the line's indent is the top level.
|
|
func (l *line) isTopIndent() bool {
|
|
return l.indent == indentTop
|
|
}
|
|
|
|
// isHelperMethod returns true if the line is a helper method.
|
|
func (l *line) isHelperMethod() bool {
|
|
return len(l.tokens) > 1 && l.tokens[0] == equal
|
|
}
|
|
|
|
// isHelperMethodOf returns true if the line is a specified helper method.
|
|
func (l *line) isHelperMethodOf(name string) bool {
|
|
return l.isHelperMethod() && l.tokens[1] == name
|
|
}
|
|
|
|
// isPlainText returns true if the line is a plain text.
|
|
func (l *line) isPlainText() bool {
|
|
return len(l.tokens) > 0 && (l.tokens[0] == pipe || l.tokens[0] == doublePipe)
|
|
}
|
|
|
|
// isComment returns true if the line is a comment.
|
|
func (l *line) isComment() bool {
|
|
return len(l.tokens) > 0 && l.tokens[0] == slash
|
|
}
|
|
|
|
// isHTMLComment returns true if the line is an HTML comment.
|
|
func (l *line) isHTMLComment() bool {
|
|
return len(l.tokens) > 0 && l.tokens[0] == slash+slash
|
|
}
|
|
|
|
// isAction returns true if the line is an action.
|
|
func (l *line) isAction() bool {
|
|
str := strings.TrimSpace(l.str)
|
|
return strings.HasPrefix(str, l.opts.DelimLeft) && strings.HasSuffix(str, l.opts.DelimRight)
|
|
}
|
|
|
|
// fileName returns the file name.
|
|
func (l *line) fileName() string {
|
|
return l.file.path + dot + l.opts.Extension
|
|
}
|
|
|
|
// childOf returns true if the line is a child of the element.
|
|
func (l *line) childOf(parent element) (bool, error) {
|
|
var ok bool
|
|
var err error
|
|
|
|
switch {
|
|
case l.isEmpty():
|
|
ok = true
|
|
case parent.ContainPlainText():
|
|
switch {
|
|
case parent.Base().ln.indent < l.indent:
|
|
ok = true
|
|
}
|
|
default:
|
|
switch {
|
|
case l.indent == parent.Base().ln.indent+1:
|
|
ok = true
|
|
case l.indent > parent.Base().ln.indent+1:
|
|
err = fmt.Errorf("the indent is invalid [file: %s][line: %d]", l.fileName(), l.no)
|
|
}
|
|
}
|
|
|
|
return ok, err
|
|
}
|
|
|
|
// newLine creates and returns a line.
|
|
func newLine(no int, str string, opts *Options, f *File) *line {
|
|
return &line{
|
|
no: no,
|
|
str: str,
|
|
indent: indent(str),
|
|
tokens: strings.Split(strings.TrimLeft(str, space), space),
|
|
opts: opts,
|
|
file: f,
|
|
}
|
|
}
|
|
|
|
// indent returns the line's indent.
|
|
func indent(str string) int {
|
|
var i int
|
|
|
|
for _, b := range str {
|
|
if b != unicodeSpace {
|
|
break
|
|
}
|
|
i++
|
|
}
|
|
|
|
return i / 2
|
|
}
|