pattern

package module
v0.0.0-...-51154d2 Latest Latest
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 Go to latest Published: Mar 2, 2023 License: MIT Imports: 14 Imported by: 1

README

pattern

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrInvalidReturnValType = errors.New("invalid return value type")
)

Functions

func Eval 

func Eval(expression string, data interface{}) (string, error)

Eval 对 data 应用表达式

func Match 

func Match(expression string, data interface{}) (bool, error)

Match 检查 data 是否匹配表达式

func StringEval 

func StringEval(expression string, data string) (string, error)

StringEval 对 data 应用表达式

func StringMatch 

func StringMatch(expression string, data string) (bool, error)

StringMatch 检查 data 是否匹配表达式

Types

type Data 

type Data struct {
	Helpers
	Data string
}

Data 封装了助手函数和匹配数据的结构体

func (Data) CtxJSON 

func (d Data) CtxJSON(path string) string

CtxJSON return string from json

func (Data) CtxJSONArray 

func (d Data) CtxJSONArray(path string) []gjson.Result

CtxJSONArray return array from json

func (Data) CtxJSONBool 

func (d Data) CtxJSONBool(path string) bool

CtxJSONBool return bool from json

func (Data) CtxJSONBoolArray 

func (d Data) CtxJSONBoolArray(path string) []bool

CtxJSONBoolArray return bool array from json

func (Data) CtxJSONFloat 

func (d Data) CtxJSONFloat(path string) float64

CtxJSONFloat return float64 from json

func (Data) CtxJSONFloatArray 

func (d Data) CtxJSONFloatArray(path string) []float64

CtxJSONFloatArray return float64 array from json

func (Data) CtxJSONInt 

func (d Data) CtxJSONInt(path string) int64

CtxJSONInt return int from json

func (Data) CtxJSONIntArray 

func (d Data) CtxJSONIntArray(path string) []int64

CtxJSONIntArray return int array from json

func (Data) CtxJSONStrArray 

func (d Data) CtxJSONStrArray(path string) []string

CtxJSONStrArray get string array from json

func (Data) DOM 

func (d Data) DOM(selector string, data ...string) []string

DOM 从 HTML DOM 对象中查询所有匹配 selector 的元素

func (Data) DOMOne 

func (d Data) DOMOne(selector string, index int, data ...string) string

DOMOne 从 HTML DOM 对象中查询第 index 个匹配 selector 的元素内容

func (Data) JQ 

func (d Data) JQ(expression string, data ...string) string

JQ 执行 JQuery 表达式查询 json 字符串，如果表达式错误，则返回空字符串

func (Data) JQE 

func (d Data) JQE(expression string, data ...string) string

JQE 执行 JQuery 表达式查询 json 字符串，如果表达式错误，则返回 `<ERORR> 错误详情`

type Evaluator 

type Evaluator struct {
	// contains filtered or unexported fields
}

Evaluator 用于计算 data 在应用 expression 后的结果

func NewEvaluator 

func NewEvaluator(expression string, dataType interface{}) (*Evaluator, error)

NewEvaluator 创建一个新的 Evaluator

func (*Evaluator) Eval 

func (eval *Evaluator) Eval(data interface{}) (string, error)

Eval 对 data 应用 expression 表达式，返回评估后的结果

type Helpers 

type Helpers struct{}

Helpers 用于规则引擎的助手函数

func (Helpers) Between 

func (Helpers) Between(val int, min int, max int) bool

Between 判断 数字 Val 是否在 [min,max] 范围内

func (Helpers) CutOff 

func (Helpers) CutOff(maxLen int, val string) string

CutOff 字符串截断

func (Helpers) CutoffLine 

func (Helpers) CutoffLine(maxLine int, val string) string

CutoffLine 字符串截取指定行数

func (Helpers) DOMQuery 

func (helper Helpers) DOMQuery(selector string, htmlContent string) []string

DOMQuery 从 HTML DOM 对象中查询所有匹配 selector 的元素

func (Helpers) DOMQueryOne 

func (helper Helpers) DOMQueryOne(selector string, index int, htmlContent string) string

DOMQueryOne 从 HTML DOM 对象中查询第 index 个匹配 selector 的元素内容

func (Helpers) DailyTimeBetween 

func (Helpers) DailyTimeBetween(startTime, endTime string) bool

DailyTimeBetween 判断当前时间（格式 15:04）是否在 startTime 和 endTime 之间

func (Helpers) Empty 

func (Helpers) Empty(str string) bool

Empty 检查字符串是否为空 `空白`, `0`，`任意大小写的 false` 会被认为是 false，其它情况为 true

func (Helpers) EqualFold 

func (Helpers) EqualFold(s1, s2 string) bool

EqualFold reports whether s and t, interpreted as UTF-8 strings, are equal under Unicode case-folding, which is a more general form of case-insensitivity.

func (Helpers) FilterEmptyLines 

func (Helpers) FilterEmptyLines(content string) string

FilterEmptyLines 从字符串中移除空行

func (Helpers) Float 

func (Helpers) Float(numStr string) float64

Float 字符串转浮点数

func (Helpers) Int 

func (Helpers) Int(numStr string) int

Int 字符串转整数

func (Helpers) JQuery 

func (helper Helpers) JQuery(data string, expression string, suppressError bool) string

JQuery 使用 JQ 表达式提取 json 字符串中的值

func (Helpers) JSON 

func (helper Helpers) JSON(content string, path string) string

JSON return string content from json

func (Helpers) JSONArray 

func (helper Helpers) JSONArray(content string, path string) []gjson.Result

JSONArray return array elements from path

func (Helpers) JSONBool 

func (helper Helpers) JSONBool(content string, path string) bool

JSONBool return bool content from json

func (Helpers) JSONBoolArray 

func (helper Helpers) JSONBoolArray(content string, path string) []bool

JSONBoolArray return bool array from json

func (Helpers) JSONEncode 

func (helper Helpers) JSONEncode(data interface{}) string

func (Helpers) JSONFloat 

func (helper Helpers) JSONFloat(content string, path string) float64

JSONFloat return float64 content from json

func (Helpers) JSONFloatArray 

func (helper Helpers) JSONFloatArray(content string, path string) []float64

JSONFloatArray return float64 array from json

func (Helpers) JSONInt 

func (helper Helpers) JSONInt(content string, path string) int64

JSONInt return int content from json

func (Helpers) JSONIntArray 

func (helper Helpers) JSONIntArray(content string, path string) []int64

JSONIntArray return int64 array from json

func (Helpers) JSONStrArray 

func (helper Helpers) JSONStrArray(content string, path string) []string

JSONStrArray return string array from json

func (Helpers) Join 

func (Helpers) Join(elements interface{}, sep string) string

Join 字符串数组拼接

func (Helpers) Lower 

func (Helpers) Lower(val string) string

Lower returns a copy of the string s with all Unicode letters mapped to their lower case.

func (Helpers) Mask 

func (Helpers) Mask(left int, content string) string

stringMask create a mask for string

func (Helpers) Now 

func (Helpers) Now() time.Time

Now return current time

func (Helpers) NumberBeauty 

func (Helpers) NumberBeauty(number interface{}) string

NumberBeauty 字符串数字格式化

func (Helpers) ParseTime 

func (Helpers) ParseTime(layout string, value string) time.Time

ParseTime parse a string to time.Time layout: Mon Jan 2 15:04:05 -0700 MST 2006

func (Helpers) Repeat 

func (Helpers) Repeat(count int, s string) string

Repeat 字符串重复 count 次

func (Helpers) Split 

func (Helpers) Split(sep string, content string) []string

Split 字符串分割

func (Helpers) String 

func (helper Helpers) String(data interface{}) string

String convert any data to string

func (Helpers) TrimPrefix 

func (Helpers) TrimPrefix(s, prefix string) string

TrimPrefix 字符串去除前缀

func (Helpers) TrimSpace 

func (Helpers) TrimSpace(s string) string

TrimSpace returns a slice of the string s, with all leading and trailing white space removed, as defined by Unicode.

func (Helpers) TrimSuffix 

func (Helpers) TrimSuffix(s, suffix string) string

TrimSuffix 字符串去除后缀

func (Helpers) Upper 

func (Helpers) Upper(val string) string

Upper returns a copy of the string s with all Unicode letters mapped to their upper case.

type Matcher 

type Matcher struct {
	// contains filtered or unexported fields
}

Matcher 用于检查 data 是否匹配表达式

func NewMatcher 

func NewMatcher(expression string, dataType interface{}) (*Matcher, error)

NewMatcher 创建一个新的 Matcher

func (*Matcher) Match 

func (matcher *Matcher) Match(data interface{}) (bool, error)

Match 执行匹配，检查 data 是否能够通过 expression 的评估

Source Files

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