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Add methods BEGIN_rule, END_rule #47

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balajirama opened this issue Jun 14, 2019 · 0 comments
Closed
5 tasks done

Add methods BEGIN_rule, END_rule #47

balajirama opened this issue Jun 14, 2019 · 0 comments
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@balajirama
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enhancement New feature or request
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Rules-based parsing - Extended AWK sy...

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balajirama commented Jun 14, 2019 •
edited

  • BEGIN_rule must be run before all rules, before the first line is read.

  • END_rule will be run right before read method is finished reading

  • Both BEGIN and END should ignore if key and continue_to_next key.

  • Both of them will append to whatever rule was provided earlier.

  • The $this->this_line should not exist in the BEGIN and END blocks.

These rules are useful for programmers to do specific things right before reading a file, or right after reading it.
@balajirama balajirama added the enhancement New feature or request label Jun 14, 2019
@balajirama balajirama self-assigned this Jun 14, 2019
@balajirama balajirama added this to To do in Rules-based parsing - Extended AWK syntax via automation Jun 14, 2019
@balajirama balajirama changed the title Add functions begin_rule, end_rule Add methods begin_rule, end_rule Jun 14, 2019
@balajirama balajirama changed the title Add methods begin_rule, end_rule Add methods BEGIN_rule, END_rule Jun 14, 2019
balajirama added a commit that referenced this issue Jun 15, 2019
@balajirama
close #47
d496569
Rules-based parsing - Extended AWK syntax automation moved this from To do to Done Jun 16, 2019
@balajirama balajirama reopened this Jun 16, 2019
Rules-based parsing - Extended AWK syntax automation moved this from Done to In progress Jun 16, 2019
Rules-based parsing - Extended AWK syntax automation moved this from In progress to Done Jun 16, 2019
balajirama added a commit that referenced this issue Jun 17, 2019
@balajirama
v0.925
c5a536b 
  - Changed the primary usage model from inheritance-based to regular use in main.
  - A new class for text parsing rules created Text::Parser::Rule (#17).
  - Import functions from String::Util, Scalar::Util, String::Util::Match, String::Util::Range, and String::Index.
    These can be accessed inside the ExAWK string rules directly (#44)
  - Added new methods to Text::Parser called add_rule to create rules (#37), and clear_rules to delete rules (#40)
  - Added new methods to Text::Parser called BEGIN_rule and END_rule (#47). The current line is not accessible in this rule.
  - Added new method join_range available when auto_split => 1 (#38)
  - Rules support range shortcuts like ${3+}, @{2+}, and \@{3+} (#39), (#45)
  - Added ability to create parse-time variables accessible across rules such as ~var (#48)
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