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Contents
# @Opulent
module Opulent
# @Parser
class Parser
# Analyze the input code and check for matching tokens.
# In case no match was found, throw an exception.
# In special cases, modify the token hash.
#
# @param nodes [Array] Parent node to which we append to
#
def root(parent = @root, min_indent = -1)
while (@line = @code[(@i += 1)])
# Reset character position cursor
@j = 0
# Skip to next iteration if we have a blank line
next if @line =~ /\A\s*\Z/
# Reset the line offset
@offset = 0
# Parse the current line by trying to match each node type towards it
# Add current indentation to the indent stack
indent = accept(:indent).size
# Stop using the current parent as root if it does not match the
# minimum indentation includements
unless min_indent < indent
@i -= 1
break
end
# If last include path had a greater indentation, pop the last file path
@file.pop if @file[-1][1] >= indent
# Try the main Opulent node types and process each one of them using
# their matching evaluation procedure
current_node = node(parent, indent) ||
text(parent, indent) ||
comment(parent, indent) ||
define(parent, indent) ||
control(parent, indent) ||
evaluate(parent, indent) ||
filter(parent, indent) ||
block_yield(parent, indent) ||
include_file(parent, indent) ||
html_text(parent, indent) ||
doctype(parent, indent)
# Throw an error if we couldn't find any valid node
unless current_node
Logger.error :parse, @code, @i, @j, :unknown_node_type
end
end
parent
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems