70 lines
2.1 KiB
Ruby
70 lines
2.1 KiB
Ruby
# -*- coding: utf-8 -*- #
|
|
|
|
require 'rouge'
|
|
|
|
module Rouge
|
|
module Lexers
|
|
class XPath < RegexLexer
|
|
|
|
title "XPath"
|
|
desc "The XPath query language (http://en.wikipedia.org/wiki/XPath)"
|
|
tag 'xpath'
|
|
aliases 'xpath'
|
|
filenames '*.xpath'
|
|
mimetypes 'text/x-xpath'
|
|
|
|
state :root do
|
|
mixin :basic
|
|
mixin :operators
|
|
mixin :names
|
|
end
|
|
|
|
state :basic do
|
|
rule /\s+/, Text::Whitespace
|
|
rule /[(]:(?![)])/, Comment, :nested_comment
|
|
|
|
rule /[\[\](){}|.,;!]/, Punctuation
|
|
|
|
rule /"([^"]|"")*+"/, Str::Double
|
|
rule /'([^']|'')*+'/, Str::Single
|
|
|
|
rule /\.\d++\b/, Num
|
|
rule /\b\d++\./, Num
|
|
rule /\b\d++(\.\d*+)?([eE][+-]?\d+)?\b/, Num
|
|
end
|
|
|
|
state :operators do
|
|
rule /(<|>|=<|>=|==|:=|\/\/|[|\/*+-])(?=\s|[a-zA-Z0-9\[])/, Operator
|
|
# operators
|
|
rule /(or|and|not|mod|ne|eq|lt|le|gt|ge)/, Operator::Word
|
|
# keywords
|
|
rule /some|in|satisfies|as|is|for|every|cast|castable|treat|instance|of|to|if|then|else|return|let|intersect|except|union|div|idiv/, Keyword::Reserved
|
|
# axes
|
|
rule /(self|child|attribute|descendant|descendant-or-self|ancestor|ancestor-or-self|following|following-sibling|namespace|parent|preceding-sibling)::/, Keyword::Namespace
|
|
# kind tests
|
|
rule /(node|document-node|text|comment|namespace-node|processing-instruction|attribute|schema-attribute|element|schema-element|function)\(\)/, Keyword::Reserved
|
|
end
|
|
|
|
state :names do
|
|
# Function or node namespace
|
|
rule /[a-zA-Z\-]+:/, Name::Namespace
|
|
# Attributes
|
|
rule /@[a-zA-Z][_\-a-zA-Z0-9]*/, Name::Attribute
|
|
# XPath variables
|
|
rule /\$\s*[a-zA-Z][_\-a-zA-Z0-9]*/, Name::Variable
|
|
# Functions
|
|
rule /[a-zA-Z\-]+(?=\s*+\()/, Name::Function
|
|
# Node names
|
|
rule /[a-zA-Z]+/, Name::Tag
|
|
end
|
|
|
|
state :nested_comment do
|
|
rule /[^(:)]+/, Comment
|
|
rule /\(:/, Comment, :push
|
|
rule /:\)/, Comment, :pop!
|
|
rule /[(:)]/, Comment
|
|
end
|
|
end
|
|
end
|
|
end
|