143 lines
1.8 KiB
Plaintext
143 lines
1.8 KiB
Plaintext
// OSXPhotos Metadata Template Language (MTL)
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// a TemplateString has format:
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// pre{delim+template_field:subfield|filter(path_sep)[find,replace] conditional?bool_value,default}post
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// a TemplateStatement may contain zero or more TemplateStrings
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// The pre and post are optional strings
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// The template itself (inside the {}) is also optional but if present
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// everything but template_field is also optional
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Statement:
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(template_strings+=TemplateString)?
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;
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TemplateString:
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pre=NON_TEMPLATE_STRING?
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template=Template?
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post=NON_TEMPLATE_STRING?
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;
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Template:
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(
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"{"
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delim=Delim
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field=Field
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subfield=SubField
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filter=Filter
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pathsep=PathSep
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findreplace=FindReplace
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conditional=Conditional
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bool=Boolean
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default=Default
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"}"
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)?
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;
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NON_TEMPLATE_STRING:
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/[^\{\},\?]*/
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;
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Delim:
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(
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(value=DELIM_WORD)?
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'+'
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)?
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;
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DELIM_WORD:
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/[^\{\}]*(?=\+\w)/
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;
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Field:
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FIELD_WORD+
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;
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FIELD_WORD:
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/[\.\w]+/
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;
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SubField:
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(
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":"-
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SUBFIELD_WORD+
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)?
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;
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SUBFIELD_WORD:
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/[\.\w:\/\-\~\'\"\%\@\#\^\’]+/
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/\\\s/?
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;
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Filter:
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(
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"|"-
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(value+=FILTER_WORD['|'])?
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)?
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;
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FILTER_WORD:
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/[\.\w:\/]+/
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;
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Conditional:
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(
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(" "+)-
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(negation=NEGATION)?
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(operator=OPERATOR)
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(" "+)-
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(value=Statement)
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)?
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;
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NEGATION:
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"not "
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;
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OPERATOR:
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"contains" | "matches" | "startswith" | "endswith" | "<=" | ">=" | "<" | ">" | "==" | "!="
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;
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PathSep:
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(
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"("
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(value=/[^\(\)\{\}]+/)?
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")"
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)?
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;
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FindReplace:
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(
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"["
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(pairs+=FindReplacePair['|'])?
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"]"
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)?
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;
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FindReplacePair:
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find=FIND_WORD
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","
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(replace=REPLACE_WORD)?
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;
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FIND_WORD:
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/[^\[\]\|]*(?=\,)/
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;
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REPLACE_WORD:
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/[^\[\]\|]*/
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;
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Boolean:
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(
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"?"
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(value=Statement)?
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)?
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;
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Default:
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(
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","
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(value=Statement)?
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)?
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;
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