Changeset 64 in text-formbuilder for trunk/lib/Text/FormBuilder/grammar

Timestamp:

03/10/05 16:40:27 (20 years ago)

Author:

peichman

Message:

fixed grammar so that outer {} and [] are no longer included in the (bracket_)block values
using bracket_block instead of hardcoded pattern for matching hints in formspec
removed dynamic lists from the grammar
some general code cleanup and tidying, in FormBuilder.pm and grammar
added fb.pl to the MANIFEST
bumped back FB version requirement to 3.0 (Makefile.PL)
test for FB3.02 for using growable fields; warn and ignore if verison isn't high enough

File:

• trunk/lib/Text/FormBuilder/grammar (modified) (5 diffs)

trunk/lib/Text/FormBuilder/grammar

@@ -60 +60 @@
 dynamic_list: '&' <perl_codeblock>
     {
-        my @results = (eval $item[2]);
-        if (ref $results[0] eq 'HASH') {
-            @options = @results;
-        } else {    
-            @options = map { { $_ => $_ } } @results;
-        }
+        warn "[Text::FormBuilder] Dynamic lists have been removed from the formspec grammar";
     }
 
 description_def: '!description' block
-    { warn "[Text::FormBuilder] Description redefined at input text line $thisline\n" if defined $description;
-    
-    $description = $item[2];
-    $description =~ s/^{\s*|\s*}$//g;
+    {
+        warn "[Text::FormBuilder] Description redefined at input text line $thisline\n" if defined $description;
+        $description = $item{block};
     }
 
@@ -85 +79 @@
     }
 
-note: '!note' block
-    {   
-        (my $note = $item[2]) =~ s/^{\s*|\s*}$//g;
-        push @lines, [ 'note', $note ];
-    }
+note: '!note' block  { push @lines, [ 'note', $item{block} ]; }
+
+
+#TODO: allow \ escape for [] {} in these blocks
 
 # curly-brace delimited block, that can contain properly
-# nested curly brackets, along with any other characters
-# return with the '{...}' so that nested blocks get the
-# brackets treated as literals
-block: '{' <skip:''> block_content(s) '}'
-    {
-        '{' . join('', @{ $item[3] }) . '}';
-    }
-
-block_content: /[^\{\}]+?/ | block
-
-
+# nested curly braces, along with any other characters
+# inner blocks return with the '{...}' so that nested
+# blocks get the braces treated as literals
+block: '{' <skip:''> block_content(s) '}' { join('', @{ $item[3] }) }
+inner_block: '{' <skip:''> block_content(s) '}'  { '{' . join('', @{ $item[3] }) . '}' }
+block_content: /[^\{\}]+?/ | inner_block
+
+# square brace delimited block, that can contain properly
+# nested square brackets, along with any other characters
+# inner bracket blocks return with the '[...]' so that nested
+# blocks get the braces treated as literals
+bracket_block: '[' <skip:''> bracket_block_content(s) ']' { join('', @{ $item[3] }) }
+inner_bracket_block: '[' <skip:''> bracket_block_content(s) ']' { '[' . join('', @{ $item[3] }) . ']'; }
+bracket_block_content: /[^\[\]]+?/ | inner_bracket_block
+
+
+# field lines are the subset of lines that are allowed in a !group directive
 field_line: <skip:'[ \t]*'> ( field | comment | blank ) "\n"
+
 line: <skip:'[ \t]*'> ( title | author | pattern_def | section_head | heading | group_field | field_group | unknown_directive | field | comment | blank ) "\n"
 
@@ -159 +159 @@
 group_type: ':' var_name
 
+# this is the real heart of the thing
 field: name field_size(?) growable(?) label(?) hint(?) type(?) default(?) option_list(?) validate(?)
     {
@@ -217 +218 @@
 label: '|' (simple_multiword | quoted_string) { $item[2] }
 
-hint: '[' /[^\]]+/ ']'    { $item[2] }
+hint: bracket_block
 
 type: ':' builtin_field
@@ -245 +246 @@
 value: identifier
 
-display_text: brace_block
-    { (my $text = $item[1]) =~ s/^\[\s*|\s*\]$//g; $text }
-
-# square brace delimited block, that can contain properly
-# nested square braces, along with any other characters
-# return with the '[...]' so that nested blocks get the
-# braces treated as literals
-brace_block: '[' <skip:''> brace_block_content(s) ']'
-    {
-        '[' . join('', @{ $item[3] }) . ']';
-    }
-brace_block_content: /[^\[\]]+?/ | brace_block
-
-
-validate: '//' (optional_pattern | required_pattern)    { $item[2] }
-
-optional_pattern: /[A-Z_]+/ '?' { $required = 0; $item[1] }
-
-required_pattern: /[A-Z_]+/ { $required = 1; $item[1] }
+display_text: bracket_block
+
+
+validate: '//' (optional_pattern | required_pattern)
+
+optional_pattern: var_name '?'  { $required = 0; $item[1] }
+
+required_pattern: var_name { $required = 1; $item[1] }
 
 comment: '#' /.*/