tartrazine/lexers/json.xml

<lexer>
  <config>
    <name>JSON</name>
    <alias>json</alias>
    <filename>*.json</filename>
    <filename>*.avsc</filename>
    <mime_type>application/json</mime_type>
    <dot_all>true</dot_all>
    <not_multiline>true</not_multiline>
  </config>
  <rules>
    <state name="root">
      <rule>
        <include state="value"/>
      </rule>
    </state>
    <state name="whitespace">
      <rule pattern="\s+">
        <token type="Text"/>
      </rule>
    </state>
    <state name="comment">
      <rule pattern="//.*?\n">
        <token type="CommentSingle"/>
      </rule>
    </state>
    <state name="simplevalue">
      <rule pattern="(true|false|null)\b">
        <token type="KeywordConstant"/>
      </rule>
      <rule pattern="-?(0|[1-9]\d*)(\.\d+[eE](\+|-)?\d+|[eE](\+|-)?\d+|\.\d+)">
        <token type="LiteralNumberFloat"/>
      </rule>
      <rule pattern="-?(0|[1-9]\d*)">
        <token type="LiteralNumberInteger"/>
      </rule>
      <rule pattern="&#34;(\\\\|\\&#34;|[^&#34;])*&#34;">
        <token type="LiteralStringDouble"/>
      </rule>
    </state>
    <state name="objectattribute">
      <rule>
        <include state="value"/>
      </rule>
      <rule pattern=":">
        <token type="Punctuation"/>
      </rule>
      <rule pattern=",">
        <token type="Punctuation"/>
        <pop depth="1"/>
      </rule>
      <rule pattern="\}">
        <token type="Punctuation"/>
        <pop depth="2"/>
      </rule>
    </state>
    <state name="objectvalue">
      <rule>
        <include state="whitespace"/>
      </rule>
      <rule>
        <include state="comment"/>
      </rule>
      <rule pattern="&#34;(\\\\|\\&#34;|[^&#34;])*&#34;">
        <token type="NameTag"/>
        <push state="objectattribute"/>
      </rule>
      <rule pattern="\}">
        <token type="Punctuation"/>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="arrayvalue">
      <rule>
        <include state="whitespace"/>
      </rule>
      <rule>
        <include state="value"/>
      </rule>
      <rule>
        <include state="comment"/>
      </rule>
      <rule pattern=",">
        <token type="Punctuation"/>
      </rule>
      <rule pattern="\]">
        <token type="Punctuation"/>
        <pop depth="1"/>
      </rule>
    </state>
    <state name="value">
      <rule>
        <include state="whitespace"/>
      </rule>
      <rule>
        <include state="simplevalue"/>
      </rule>
      <rule>
        <include state="comment"/>
      </rule>
      <rule pattern="\{">
        <token type="Punctuation"/>
        <push state="objectvalue"/>
      </rule>
      <rule pattern="\[">
        <token type="Punctuation"/>
        <push state="arrayvalue"/>
      </rule>
    </state>
  </rules>
</lexer>