Files
LinuxPA/appimg/Tag.go
T
2017-04-09 01:26:31 -05:00

116 lines
2.5 KiB
Go

package appimg
import "strings"
type tag struct {
typ string
end bool
params map[string]string
index [2]int
Meat string
}
func (t *tag) value(param string) string {
return t.params[param]
}
func (t *tag) setValue(param, value string) {
if t.params == nil {
t.params = make(map[string]string)
}
t.params[strings.TrimSpace(strings.ToLower(param))] = strings.TrimSpace(value)
}
func (t *tag) process(bbtag string) {
if strings.HasPrefix(bbtag, "/") {
t.end = true
t.typ = strings.ToLower(strings.TrimPrefix(bbtag[:len(bbtag)-1], "/"))
return
}
for i, v := range bbtag {
if v == '=' || v == ' ' || v == '>' {
t.typ = strings.ToLower(bbtag[:i])
switch v {
case '=':
if qt := bbtag[i+1]; qt == '\'' || qt == '"' {
for j := i + 2; j < len(bbtag); j++ {
if bbtag[j] == qt {
t.setValue("starting", bbtag[i+2:j])
bbtag = bbtag[j+1:]
break
} else if bbtag[j] == '>' {
t.setValue("starting", bbtag[i+2:j])
return
}
}
} else {
for j := i + 1; j < len(bbtag); j++ {
if bbtag[j] == '>' {
t.setValue("starting", bbtag[i+1:j])
return
} else if bbtag[j] == ' ' {
t.setValue("starting", bbtag[i+1:j])
bbtag = bbtag[j+1:]
break
}
}
}
case '>':
return
case ' ':
bbtag = bbtag[i:]
}
break
}
}
t.processFurther(bbtag)
}
func (t *tag) processFurther(further string) {
further = strings.TrimSpace(further)
for i := 0; i < len(further); i++ {
switch further[i] {
case ' ':
t.setValue(strings.ToLower(further[:i]), further[:i])
further = strings.TrimSpace(further[i:])
i = -1
case '=':
if qt := further[i+1]; qt == '\'' || qt == '"' {
outloopqt:
for j := i + 2; j < len(further); j++ {
switch further[j] {
case '>':
t.setValue(strings.ToLower(further[:i]), further[i+2:j])
return
case qt:
t.setValue(strings.ToLower(further[:i]), further[i+2:j])
further = strings.TrimSpace(further[j+1:])
i = -1
break outloopqt
}
}
} else {
outloop:
for j := i + 1; j < len(further); j++ {
switch further[j] {
case '>':
t.setValue(strings.ToLower(further[:i]), further[i+1:j])
return
case ' ':
t.setValue(strings.ToLower(further[:i]), further[i+1:j])
further = strings.TrimSpace(further[j:])
i = -1
break outloop
}
}
}
case '>':
if i != 0 {
t.setValue(strings.ToLower(further[:i]), further[:i])
return
}
return
}
}
}