parser

package
v0.2.639 Latest Latest
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 Go to latest Published: Mar 18, 2024 License: MIT Imports: 11 Imported by: 0

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Constants

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Variables

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Functions

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Types

type Attribute 

type Attribute interface {
	IsAttribute() bool
	String() string
}

type BoolConstantAttribute 

type BoolConstantAttribute struct {
	Name string
}

<hr noshade/>

func (BoolConstantAttribute) IsAttribute 

func (bca BoolConstantAttribute) IsAttribute() bool

func (BoolConstantAttribute) String 

func (bca BoolConstantAttribute) String() string

type BoolExpressionAttribute 

type BoolExpressionAttribute struct {
	Name       string
	Expression Expression
}

href={%= templ.Bool(...) }

func (BoolExpressionAttribute) IsAttribute 

func (ea BoolExpressionAttribute) IsAttribute() bool

func (BoolExpressionAttribute) String 

func (ea BoolExpressionAttribute) String() string

type CSSProperty 

type CSSProperty interface {
	IsCSSProperty() bool
	Write(w io.Writer, indent int) error
}

CSSProperty is a CSS property and value pair.

type CSSTemplate 

type CSSTemplate struct {
	Name       Expression
	Properties []CSSProperty
}

CSS definition. {% css Name() %} 

color: #ffffff;
background-color: {%= constants.BackgroundColor %};
background-image: url('./somewhere.png');

{% endcss %}

func (CSSTemplate) IsTemplateFileNode 

func (css CSSTemplate) IsTemplateFileNode() bool

func (CSSTemplate) Write 

func (css CSSTemplate) Write(w io.Writer, indent int) error

type CallTemplateExpression 

type CallTemplateExpression struct {
	// Expression returns a template to execute.
	Expression Expression
}

CallTemplateExpression can be used to create and render a template using data. {%! Other(p.First, p.Last) %} or it can be used to render a template parameter. {%! v %}

func (CallTemplateExpression) IsNode 

func (cte CallTemplateExpression) IsNode() bool

func (CallTemplateExpression) Write 

func (cte CallTemplateExpression) Write(w io.Writer, indent int) error

type CaseExpression 

type CaseExpression struct {
	Expression Expression
	Children   []Node
}

{% case "Something" %} ... {% endcase %}

type ConstantAttribute 

type ConstantAttribute struct {
	Name  string
	Value string
}

href=""

func (ConstantAttribute) IsAttribute 

func (ca ConstantAttribute) IsAttribute() bool

func (ConstantAttribute) String 

func (ca ConstantAttribute) String() string

type ConstantCSSProperty 

type ConstantCSSProperty struct {
	Name  string
	Value string
}

color: #ffffff;

func (ConstantCSSProperty) IsCSSProperty 

func (c ConstantCSSProperty) IsCSSProperty() bool

func (ConstantCSSProperty) Write 

func (c ConstantCSSProperty) Write(w io.Writer, indent int) error

type DocType 

type DocType struct {
	Value string
}

<!DOCTYPE html>

func (DocType) IsNode 

func (dt DocType) IsNode() bool

func (DocType) Write 

func (dt DocType) Write(w io.Writer, indent int) error

type Element 

type Element struct {
	Name       string
	Attributes []Attribute
	Children   []Node
}

<a .../> or <div ...>...</div>

func (Element) IsNode 

func (e Element) IsNode() bool

func (Element) IsVoidElement 

func (e Element) IsVoidElement() bool

https://www.w3.org/TR/2011/WD-html-markup-20110113/syntax.html#void-element

func (Element) Validate 

func (e Element) Validate() (msgs []string, ok bool)

Validate that no invalid expressions have been used.

func (Element) Write 

func (e Element) Write(w io.Writer, indent int) error

type Expression 

type Expression struct {
	Value string
	Range Range
}

Expression containing Go code.

func NewExpression 

func NewExpression(value string, from, to Position) Expression

NewExpression creates a Go expression.

type ExpressionAttribute 

type ExpressionAttribute struct {
	Name       string
	Expression Expression
}

href={%= ... }

func (ExpressionAttribute) IsAttribute 

func (ea ExpressionAttribute) IsAttribute() bool

func (ExpressionAttribute) String 

func (ea ExpressionAttribute) String() string

type ExpressionCSSProperty 

type ExpressionCSSProperty struct {
	Name  string
	Value StringExpression
}

background-color: {%= constants.BackgroundColor %};

func (ExpressionCSSProperty) IsCSSProperty 

func (c ExpressionCSSProperty) IsCSSProperty() bool

func (ExpressionCSSProperty) Write 

func (c ExpressionCSSProperty) Write(w io.Writer, indent int) error

type ForExpression 

type ForExpression struct {
	Expression Expression
	Children   []Node
}

{% for i, v := range p.Addresses %} 

{% call Address(v) %}

{% endfor %}

func (ForExpression) IsNode 

func (fe ForExpression) IsNode() bool

func (ForExpression) Write 

func (fe ForExpression) Write(w io.Writer, indent int) error

type HTMLTemplate 

type HTMLTemplate struct {
	Name       Expression
	Parameters Expression
	Children   []Node
}

HTMLTemplate definition. {% templ Name(p Parameter) %} 

{% if ... %}
<Element></Element>

{% endtempl %}

func (HTMLTemplate) IsTemplateFileNode 

func (t HTMLTemplate) IsTemplateFileNode() bool

func (HTMLTemplate) Write 

func (t HTMLTemplate) Write(w io.Writer, indent int) error

type IfExpression 

type IfExpression struct {
	Expression Expression
	Then       []Node
	Else       []Node
}

{% if p.Type == "test" && p.thing %} {% endif %}

func (IfExpression) IsNode 

func (n IfExpression) IsNode() bool

func (IfExpression) Write 

func (n IfExpression) Write(w io.Writer, indent int) error

type Import 

type Import struct {
	Expression Expression
}

{% import "strings" %} {% import strs "strings" %}

func (Import) Write 

func (imp Import) Write(w io.Writer, indent int) error

type Node 

type Node interface {
	IsNode() bool
	// Write out the string.
	Write(w io.Writer, indent int) error
}

A Node appears within a template, e.g. an StringExpression, Element, IfExpression etc.

type Package 

type Package struct {
	Expression Expression
}

{% package parser %}

func (Package) Write 

func (p Package) Write(w io.Writer, indent int) error

type ParseError 

type ParseError struct {
	Message string
	From    Position
	To      Position
}

ParseError details where the error occurred in the file.

func (ParseError) Error 

func (pe ParseError) Error() string

type Position 

type Position struct {
	Index int64
	Line  int
	Col   int
}

Source mapping to map from the source code of the template to the in-memory representation.

func NewPosition 

func NewPosition() Position

NewPosition initialises a position.

func NewPositionFromInput 

func NewPositionFromInput(pi parse.Input) Position

NewPositionFromInput creates a position from a parse input.

func NewPositionFromValues 

func NewPositionFromValues(index int64, line, col int) Position

NewPositionFromValues initialises a position.

func (Position) String 

func (p Position) String() string

type Range 

type Range struct {
	From Position
	To   Position
}

Range of text within a file.

func NewRange 

func NewRange(from, to Position) Range

NewRange creates a range.

type ScriptTemplate 

type ScriptTemplate struct {
	Name       Expression
	Parameters Expression
	Value      string
}

ScriptTemplate is a script block.

func (ScriptTemplate) IsTemplateFileNode 

func (s ScriptTemplate) IsTemplateFileNode() bool

func (ScriptTemplate) Write 

func (s ScriptTemplate) Write(w io.Writer, indent int) error

type SourceExpressionTo 

type SourceExpressionTo struct {
	Source Expression
	Target Range
}

SourceExpressionTo is a record of an expression, along with its start and end positions.

type SourceMap 

type SourceMap struct {
	Items []SourceExpressionTo
}

func NewSourceMap 

func NewSourceMap() *SourceMap

NewSourceMap creates a new lookup to map templ source code to items in the parsed template.

func (*SourceMap) Add 

func (sm *SourceMap) Add(src Expression, tgt Range) (updatedFrom Position)

Add an item to the lookup.

func (*SourceMap) SourcePositionFromTarget 

func (sm *SourceMap) SourcePositionFromTarget(line, col int) (src Position, mapping SourceExpressionTo, ok bool)

SourcePositionFromTarget looks the source position using the target position.

func (*SourceMap) TargetPositionFromSource 

func (sm *SourceMap) TargetPositionFromSource(line, col int) (tgt Position, mapping SourceExpressionTo, ok bool)

TargetPositionFromSource looks up the target position using the source position.

type StringExpression 

type StringExpression struct {
	Expression Expression
}

StringExpression is used within HTML elements, and for style values. {%= ... %}

func (StringExpression) IsNode 

func (se StringExpression) IsNode() bool

func (StringExpression) IsStyleDeclarationValue 

func (se StringExpression) IsStyleDeclarationValue() bool

func (StringExpression) Write 

func (se StringExpression) Write(w io.Writer, indent int) error

type SwitchExpression 

type SwitchExpression struct {
	Expression Expression
	Cases      []CaseExpression
	Default    []Node
}

{% switch p.Type %} 

{% case "Something" %}
{% endcase %}

{% endswitch %}

func (SwitchExpression) IsNode 

func (se SwitchExpression) IsNode() bool

func (SwitchExpression) Write 

func (se SwitchExpression) Write(w io.Writer, indent int) error

type TemplateFile 

type TemplateFile struct {
	Package Package
	Imports []Import
	Nodes   []TemplateFileNode
}

func Parse 

func Parse(fileName string) (TemplateFile, error)

func ParseString 

func ParseString(template string) (TemplateFile, error)

func (TemplateFile) Write 

func (tf TemplateFile) Write(w io.Writer) error

type TemplateFileNode 

type TemplateFileNode interface {
	IsTemplateFileNode() bool
	Write(w io.Writer, indent int) error
}

TemplateFileNode can be a Template or a CSS.

type TemplateFileParser 

type TemplateFileParser struct {
	DefaultPackage string
}

func NewTemplateFileParser 

func NewTemplateFileParser(pkg string) TemplateFileParser

NewTemplateFileParser creates a new TemplateFileParser.

func (TemplateFileParser) Parse 

func (p TemplateFileParser) Parse(pi parse.Input) parse.Result

type Text 

type Text struct {
	// Value is the raw HTML encoded value.
	Value string
}

Text node within the document.

func (Text) IsNode 

func (t Text) IsNode() bool

func (Text) Write 

func (t Text) Write(w io.Writer, indent int) error

type Whitespace 

type Whitespace struct {
	Value string
}

Whitespace.

func (Whitespace) IsNode 

func (ws Whitespace) IsNode() bool

func (Whitespace) Write 

func (ws Whitespace) Write(w io.Writer, indent int) error

Source Files

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