160 lines
6.6 KiB
Python
160 lines
6.6 KiB
Python
import commands, os
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from subprocess import Popen, PIPE, STDOUT
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import color, default, mode, tab
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from lex import Grammar, PatternRule, RegionRule
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from mode.python import StringGrammar2
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from tab import StackTabber2
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from method import Method, Argument, arg
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from method.shell import Exec, Pipe
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class RegexGrammar(Grammar):
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rules = [
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PatternRule(r'escaped', r'\\.'),
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PatternRule(r'data', r'[^\\/]+'),
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]
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class AwkGrammar(Grammar):
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rules = [
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PatternRule(r'comment', r'#.*\n$'),
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PatternRule(r'spaces', r' +'),
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RegionRule(r'awk_regex', r'/(?! )', RegexGrammar, r'/'),
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PatternRule(r'awk_global', r'(?:TEXTDOMAIN|SUBSEP|RLENGTH|RSTART|RT|RS|PROCINFO|ORS|OFS|OFMT|NR|NF|LINT|IGNORECASE|FS|FNR|FILENAME|FIELDWIDTHS|ERRNO|ENVIRON|CONVFMT|BINMODE|ARGV|ARGIND|ARGC)(?![a-zA-Z0-9_])'),
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PatternRule(r'delimiter', r'(?:[\{\}()\[\]?:;,]|=(?!=)|\+=|-=|\*=|/=|\%=|\^=)'),
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PatternRule(r'keyword', r'(?:BEGIN|END|if|else|while|do|for|break|continue|delete|exit)(?![a-zA-Z0-9_])'),
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PatternRule(r'builtin', r'(?:close|getline|nextfile|next|printf|print|system|fflush|atan2|cos|exp|int|log|rand|sin|sqrt|srand|asorti|asort|gensub|gsub|index|length|match|split|sprintf|strtonum|substr|sub|tolower|toupper|mktime|strftime|systime|and|compl|lshift|or|xor|rshift|bindtextdomain|dcgettext|dcngettext|function|extension)(?![a-zA-Z0-9_])'),
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PatternRule(r'awk_field', r'\$\d*'),
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PatternRule(r'number', r'-?0x[0-9A-Fa-f]+'),
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PatternRule(r'number', r'-?0[0-7]*'),
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PatternRule(r'number', r'-?[0-9]+\.?[0-9]*'),
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PatternRule(r'number', r'-?\.[0-9]+'),
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PatternRule(r'unop', r'!(?![=~])|--|\+\+'),
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PatternRule(r'binop', r'(?:&&|\|\||<=|>=|!=|!~|==|\^|%|[-~/+*<>])'),
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RegionRule(r'string', r'"', StringGrammar2, r'"'),
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PatternRule(r'awk_function', r'[a-zA-Z_][a-zA-Z0-9_]*(?=\()'),
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PatternRule(r'awk_identifier', r'[a-zA-Z_][a-zA-Z0-9_]*'),
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PatternRule(r'continuation', r'\\\n$'),
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PatternRule(r'eol', r'\n'),
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]
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class AwkTabber(StackTabber2):
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open_tokens = {'delimiter': {'{': '}', '(': ')', '[': ']'}}
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close_tokens = {'delimiter': {'}': '{', ')': '(', ']': '['}}
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control_tokens = {
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'keyword': {'if': 1, 'else': 1, 'while': 1, 'do': 1, 'for': 1},
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}
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end_at_eof = True
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end_at_tokens = {}
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def _is_base(self, y):
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if y == 0:
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return True
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t = self._get_tokens(y)[0]
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if t.fqname() == 'awk_regex.start':
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return True
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elif t.name in ('awk_field', 'awk_global'):
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return True
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elif t.name == 'keyword' and t.string in ('BEGIN', 'END'):
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return True
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else:
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return False
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def _is_indent(self, t):
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return t.name == 'spaces'
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def _is_ignored(self, t):
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return t.name in ('spaces', 'eol', 'comment')
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class AwkFilterFile(Exec):
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show_success = True
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args = [arg('path', dt="path", p="Filter File: ", dv=default.path_dirname, ld=True, h="file to open")]
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def _execute(self, w, **vargs):
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if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer %r has no program" % w.buffer.name())
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return
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elif w.buffer.changed():
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w.set_error("Buffer %r is not saved" % w.buffer.name())
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return
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elif not os.path.exists(vargs['path']):
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w.set_error("File %r not found" % vargs['path'])
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return
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cmd = 'awk -f %r %r' % (w.buffer.path, vargs['path'])
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pipe = Popen(cmd, shell=True, stdout=PIPE, stderr=STDOUT)
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outdata = pipe.stdout.read()
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status = pipe.wait() >> 8
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w.application.data_buffer('*Awk-Output*', outdata, switch_to=True)
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w.set_error("awk exited with status %d" % status)
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class AwkFilterBuffer(Pipe):
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args = [arg('name', dt="buffer", p="Filter Buffer: ", h="name of the buffer to switch to")]
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def _execute(self, w, **vargs):
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if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer %r has no program" % w.buffer.name())
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return
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elif w.buffer.changed():
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w.set_error("Buffer %r is not saved" % w.buffer.name())
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return
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elif not w.application.has_buffer_name(vargs['name']):
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w.set_error("Buffer %r not found" % vargs['name'])
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return
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b = w.application.bufferlist.get_buffer_by_name(vargs['name'])
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opts = w.application.config['awk.cmd-opts']
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cmd = 'awk %s -f %r' % (opts, w.buffer.path)
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pipe = Popen(cmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
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pipe.stdin.write(b.make_string())
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pipe.stdin.close()
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output = pipe.stdout.read()
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status = pipe.wait() >> 8
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w.application.data_buffer('*Awk-Output*', output, switch_to=True)
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w.set_error("awk exited with status %d" % status)
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class AwkFilterInput(Method):
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args = [arg('input', p="Data To Filter: ", h="data to filter")]
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def _execute(self, w, **vargs):
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if not hasattr(w.buffer, 'path'):
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w.set_error("Buffer %r has no program" % w.buffer.name())
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return
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elif w.buffer.changed():
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w.set_error("Buffer %r is not saved" % w.buffer.name())
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return
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opts = w.application.config['awk.cmd-opts']
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cmd = 'awk %s -f %r' % (opts, w.buffer.path)
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pipe = Popen(cmd, shell=True, stdin=PIPE, stdout=PIPE, stderr=STDOUT)
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pipe.stdin.write(vargs['input'])
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pipe.stdin.close()
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output = pipe.stdout.read()
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status = pipe.wait() >> 8
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w.application.data_buffer('*Awk-Output*', output, switch_to=True)
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w.set_error("awk exited with status %d" % status)
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class Awk(mode.Fundamental):
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tabbercls = AwkTabber
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modename = 'awk'
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extensions = ['.awk']
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grammar = AwkGrammar
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opentokens = ('delimiter',)
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opentags = {'(': ')', '[': ']', '{': '}'}
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closetokens = ('delimiter',)
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closetags = {')': '(', ']': '[', '}': '{'}
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config = {'awk.cmd-opts': ""}
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actions = [AwkFilterFile, AwkFilterBuffer, AwkFilterInput]
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colors = {
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'awk_global': ('yellow', 'default', 'bold'),
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'awk_function': ('magenta', 'default', 'bold'),
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'awk_field': ('yellow', 'default', 'bold'),
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'awk_identifier': ('yellow', 'default', 'bold'),
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'awk_regex.start': ('cyan', 'default', 'bold'),
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'awk_regex.null': ('cyan', 'default', 'bold'),
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'awk_regex.data': ('cyan', 'default', 'bold'),
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'awk_regex.end': ('cyan', 'default', 'bold'),
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}
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_bindings = {
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'close-paren': (')',),
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'close-brace': ('}',),
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'close-bracket': (']',),
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}
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install = Awk.install
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