// 返回一个qwordBuilder的描述信息
func (qb *QWBuilder) String() string {
sb := z.StringBuilder()
kwidth := 15
sb.Append("QWorldBuilder Setup").EOL()
sb.Append(z.AlignLeft("gOr", kwidth, ' ')).Append(": ").Append(qb.GOr).EOL()
sb.Append(z.AlignLeft("gAnd", kwidth, ' ')).Append(": ").Append(qb.GAnd).EOL()
sb.Append(z.AlignLeft("sepOr", kwidth, ' ')).Append(": ").Append(qb.SepOr).EOL()
sb.Append(z.AlignLeft("sepAnd", kwidth, ' ')).Append(": ").Append(qb.SepAnd).EOL()
sb.Append(z.AlignLeft("quoteBegin", kwidth, ' ')).Append(": ").Append(qb.QuoteBegin).EOL()
sb.Append(z.AlignLeft("quoteEnd", kwidth, ' ')).Append(": ").Append(qb.QuoteEnd).EOL()
sb.Append(z.AlignLeft("bracketBegin", kwidth, ' ')).Append(": ").Append(qb.BracketBegin).EOL()
sb.Append(z.AlignLeft("bracketEnd", kwidth, ' ')).Append(": ").Append(qb.BracketEnd).EOL()
// QWordRule
if len(qb.Rules) > 0 {
sb.Append(z.AlignLeft("rules", kwidth, ' ')).Append(": ").EOL()
for i := 0; i < len(qb.Rules); i++ {
rule := qb.Rules[i]
sb.Append(z.DupChar(' ', kwidth)).Append(fmt.Sprintf(" %2d. {", i))
sb.Append(z.DupChar(' ', kwidth)).Append(z.DupChar(' ', kwidth)).Append(fmt.Sprint("{")).EOL()
sb.Append(z.DupChar(' ', kwidth+9)).Append(fmt.Sprintf("key : %s", rule.Key)).EOL()
sb.Append(z.DupChar(' ', kwidth+9)).Append(fmt.Sprintf("regex : %s", rule.Regex.String())).EOL()
sb.Append(z.DupChar(' ', kwidth+9)).Append(fmt.Sprintf("seg : %s", rule.Seg)).EOL()
sb.Append(z.DupChar(' ', kwidth+9)).Append(fmt.Sprintf("type : %v", rule.Type)).EOL()
sb.Append(z.DupChar(' ', kwidth+5)).Append(fmt.Sprint("}")).EOL()
}
}
return sb.String()
}
func Test_SBuilder(t *testing.T) {
sb := z.StringBuilder()
sb.Append("abc")
if sb.String() != "abc" {
t.Errorf("sb has error, should be %s, but be %s", "abc", sb.String())
}
sb.Append('d')
if sb.String() != "abcd" {
t.Errorf("sb has error, should be %s, but be %s", "abcd", sb.String())
}
if sb.Len() != 4 {
t.Errorf("sb length should be 4, but be %d", sb.Len())
}
sb2 := z.StringBuilder()
sb2.Append([]string{"acb", "111", "gdgdg"})
if sb2.String() != "[acb 111 gdgdg]" {
t.Errorf("sb2 has error, should be %s, but be %s", "[acb 111 gdgdg]", sb2.String())
}
}
func (qc *QCnd) String() string {
sb := z.StringBuilder()
sb.Append("{").EOL()
sb.Append(" ").Append("key : ").Append(qc.Key).EOL()
sb.Append(" ").Append("plain : ").Append(qc.Plain).EOL()
sb.Append(" ").Append("type : ").Append(qc.Type.String()).EOL()
sb.Append(" ").Append("value : ").Append(qc.Value).EOL()
sb.Append("}")
return sb.String()
}
func (qword *QWord) String() string {
sb := z.StringBuilder()
sb.Append("rels is :").Append(qword.Rels).EOL()
sb.Append("cnds is :\n")
for _, cnd := range qword.Cnds {
sb.Append(cnd.String()).EOL()
}
if len(qword.Unmatchs) > 0 {
sb.Append("unmathchs is :\n")
for _, um := range qword.Unmatchs {
sb.Append(" " + um).EOL()
}
}
return sb.String()
}
// 提取查询语句与连接符
func (qb *QWBuilder) extractFldsAndSeps(kwd string) (isGOr, isGAnd bool, flds []string, seps []byte) {
// 判断全局参数 (先强制认为 'xxx:')
// FIXME 后面改成正则匹配, 可以多加空格
isGOr = strings.HasPrefix(kwd, qb.GOr+":")
isGAnd = strings.HasPrefix(kwd, qb.GAnd+":")
if isGOr || isGAnd {
kwd = kwd[strings.Index(kwd, ":")+1:]
}
// 分割查询字符串
flds = make([]string, 0, 5)
seps = make([]byte, 0, 5)
// FIXME 这个地方需要在好好想想
// 保证一个特殊情况下的正确性, 比如或是" "与是"," kwd中有类似"xxx , yyy"这样的语句,需要把处理
// 这个特例是一搬在" "当做或的情况下
if z.IsInStrings(qb.SepOr, " ") {
for _, sAnd := range qb.SepAnd {
ss := " " + sAnd + " "
kwd = strings.Replace(kwd, ss, sAnd, -1)
}
}
// 开始解析
kszie := len(kwd)
fld := z.StringBuilder()
for i := 0; i < kszie; i++ {
c := kwd[i]
z.DebugPrintf("extract kwd %3d -> [%s]\n", i, string(c))
// 如果是引用
if pos := z.IndexOfStrings(qb.QuoteBegin, string(c)); pos > 0 {
// 这里面的空格啥的就不会被跳过了, 会一直取到引用结束, 逃逸字符会调整一下
for i++; i < kszie; i++ {
c = kwd[i]
if string(c) == qb.QuoteEnd[pos] {
break
} else if c == '\\' {
// FIXME 这里没有做防守
i++
fld.Append(kwd[i])
} else {
fld.Append(c)
}
}
continue
}
// 如果是括弧
if z.IsInStrings(qb.BracketBegin, string(c)) {
fld.Append(c)
for i++; i < kszie; i++ {
c = kwd[i]
fld.Append(c)
if z.IsInStrings(qb.BracketEnd, string(c)) {
break
}
}
continue
}
// 如果是分隔符
if z.IsInStrings(qb.SepAnd, string(c)) || z.IsInStrings(qb.SepOr, string(c)) {
cfld := z.Trim(fld.String())
if len(cfld) > 0 {
flds = append(flds, cfld)
seps = append(seps, c)
fld = z.StringBuilder()
}
continue
}
// 没什么特殊情况,那就加入到sb
fld.Append(c)
}
// 加入最后一个条件
lfld := z.Trim(fld.String())
if len(lfld) > 0 {
flds = append(flds, lfld)
}
// 打印一下
if z.IsDebugOn() && len(flds) > 0 {
z.DebugPrintf("kwd : %s\n", kwd)
for _, f := range flds {
z.DebugPrintf("fld : %s\n", f)
}
for _, s := range seps {
z.DebugPrintf("sep : '%s'\n", string(s))
}
}
return isGOr, isGAnd, flds, seps
}