263 lines
8.4 KiB
Python
263 lines
8.4 KiB
Python
import code, os, re, string, StringIO, sys, traceback
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import color, completer, lex, method, mode
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from lex import Grammar, PatternRule
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from mode.sh import ShGrammar
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from point import Point
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from method import Method
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from subprocess import Popen, PIPE, STDOUT
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#PAD = ' '
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PAD = ''
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LIMIT = 79
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class ShellExec(Method):
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def _execute(self, w, **vargs):
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a = w.application
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if a.completion_window_is_open():
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a.close_completion_buffer()
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s = w.buffer.make_string()
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w.mode.history[-1] = s
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w.mode.history.append('')
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w.buffer.set_data('')
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w.mode.hindex = len(w.mode.history) - 1
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if not a.has_buffer_name('*Shell*'):
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raise Exception, "No shell found!"
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b = a.bufferlist.get_buffer_by_name('*Shell*')
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if a.window().buffer is not b:
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a.switch_buffer(b)
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p = a.get_mini_buffer_prompt()
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b.insert_string(b.get_buffer_end(), p + s + '\n', force=True)
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a.set_mini_buffer_prompt('sh$ ')
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ok = True
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args = ['sh', '-c', s]
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env = {'COLUMNS': '80', 'LINES': '24', 'TERM': os.environ['TERM']}
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p = Popen(args, bufsize=1024, stderr=STDOUT, stdout=PIPE,
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close_fds=True, env=env)
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output = p.stdout.read()
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output2 = []
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i = 0
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for c in output:
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if c == '\n':
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output2.append(c)
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i = 0
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elif c == '\t':
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j = i % 8
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output2.append(' ' * (8 - j))
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i += 8 - j
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elif c == '\a':
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pass
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elif c == '\b':
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if i > 0:
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output2.pop(-1)
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i -= 1
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else:
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output2.append(c)
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i += 1
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output = ''.join(output2)
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limit = 1000
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for w2 in b.windows:
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limit = min(w.width, limit)
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if limit == 1000:
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limit = LIMIT
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limit -= len(PAD)
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if output:
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newlines = []
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for line in output.split('\n'):
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i = 0
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while i + limit < len(line):
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j = limit
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while j > 0 and line[i + j] != ' ':
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j -= 1
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if j == 0:
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newlines.append(PAD + line[i:i + limit])
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i += j
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else:
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newlines.append(PAD + line[i:i + j])
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i += j + 1
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newlines.append(PAD + line[i:])
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assert newlines[-1] == PAD
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newlines[-1] = ''
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b.insert_lines(b.get_buffer_end(), newlines, force=True)
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for w2 in b.windows:
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w2.goto_end(force=True)
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class ShellCancel(Method):
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def execute(self, w, **vargs):
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w.application.close_mini_buffer()
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if w.application.completion_window_is_open():
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w.application.close_completion_buffer()
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class ShellClear(Method):
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def execute(self, w, **vargs):
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a = w.application
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if not a.has_buffer_name('*Shell*'):
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raise Exception, "No shell found!"
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b = a.bufferlist.get_buffer_by_name('*Shell*')
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b.clear()
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class ShellHistoryPrev(Method):
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def execute(self, w, **vargs):
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if w.mode.hindex <= 0:
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w.mode.hindex = 0
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return
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elif w.mode.hindex == len(w.mode.history) - 1:
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w.mode.history[-1] = w.buffer.make_string()
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w.mode.hindex -= 1
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w.buffer.set_data(w.mode.history[w.mode.hindex])
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class ShellHistoryNext(Method):
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def execute(self, w, **vargs):
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if w.mode.hindex == len(w.mode.history) - 1:
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return
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w.mode.hindex += 1
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w.buffer.set_data(w.mode.history[w.mode.hindex])
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#class ShellTab(Method):
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# def execute(self, w, **vargs):
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# a = w.application
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# s = w.buffer.make_string()
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#
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# x = w.logical_cursor().x
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# if not s or s[:x].isspace():
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# w.insert_string_at_cursor(' ' * w.mode.tabwidth)
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# return
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#
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# l = lex.Lexer(w.mode, ShGrammar)
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# tokens = list(l.lex([s]))
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#
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# curr_t = None
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# curr_i = None
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# for i in range(0, len(tokens)):
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# t = tokens[i]
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# if t.x < x and t.end_x() >= x:
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# curr_i = i
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# curr_t = t
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# if curr_t is None:
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# return
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#
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# first_t = curr_t
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# j = curr_i
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#
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# name_re = re.compile('^[a-zA-Z_][a-zA-Z0-9_]*$')
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# if name_re.match(curr_t.string):
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# names = [curr_t.string]
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# elif curr_t.string == '.':
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# names = ['']
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# else:
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# names = []
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#
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# while j >= 1:
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# j -= 1
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# t = tokens[j]
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# if name_re.match(t.string):
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# names.insert(0, t.string)
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# elif t.string == '.':
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# pass
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# else:
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# break
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#
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# if not names:
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# return
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#
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# obj = None
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# g = globals()
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# i = 0
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# name = names[0]
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# if len(names) > 1:
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# while i < len(names):
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# name = names[i]
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# if obj is None:
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# if name in w.mode.locals:
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# obj = w.mode.locals[name]
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# elif name in w.mode.globals:
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# obj = w.mode.globals[name]
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# else:
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# break
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# else:
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# if hasattr(obj, name):
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# obj = getattr(obj, name)
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# else:
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# break
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# i += 1
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#
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# if i == len(names) - 1:
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# if obj is not None:
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# newnames = dir(obj)
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# else:
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# newnames = set()
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# newnames.update(__builtins__)
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# newnames.update(w.mode.locals)
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# newnames.update(w.mode.globals)
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# candidates = [x for x in newnames if x.startswith(name)]
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#
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# s = completer.find_common_string(candidates)[len(name):]
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# w.insert_string_at_cursor(s)
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# mode.mini.use_completion_window(a, name, candidates)
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class ShellBaseMethod(Method):
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subcls = Method
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subbuf = '*Shell*'
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def __init__(self):
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Method.__init__(self)
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self.submethod = self.subcls()
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def _execute(self, w, **vargs):
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a = w.application
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if not a.has_buffer_name(self.subbuf):
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raise Exception, "No shell found!"
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w2 = a.bufferlist.get_buffer_by_name(self.subbuf).windows[0]
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self.submethod.execute(w2, **vargs)
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class ShellPageUp(ShellBaseMethod):
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subcls = method.move.PageUp
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class ShellPageDown(ShellBaseMethod):
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subcls = method.move.PageDown
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class ShellGotoBeginning(ShellBaseMethod):
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subcls = method.move.GotoBeginning
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class ShellGotoEnd(ShellBaseMethod):
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subcls = method.move.GotoEnd
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class OpenShell(Method):
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'''Evaluate sh expressions'''
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def execute(self, w, **vargs):
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a = w.application
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if not a.has_buffer_name('*Shell*'):
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b = buffer.ShellBuffer()
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a.add_buffer(b)
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window.Window(b, a)
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b = a.bufferlist.get_buffer_by_name('*Shell*')
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if a.window().buffer is not b:
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a.switch_buffer(b)
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f = lambda x: None
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w.application.open_mini_buffer('sh$ ', f, self, None, 'shellmini')
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class ShellMini(mode.Fundamental):
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modename = 'ShellMini'
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grammar = ShGrammar
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actions = [ShellExec, ShellClear, ShellCancel, ShellHistoryPrev,
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ShellHistoryNext, #ShellTab,
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ShellPageUp, ShellPageDown, ShellGotoBeginning, ShellGotoEnd,
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OpenShell]
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def __init__(self, w):
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mode.Fundamental.__init__(self, w)
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self.globals = dict(w.application.globals())
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self.locals = dict(w.application.locals())
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self.saved_input = ""
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self.history = ['']
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self.hindex = 0
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self.add_bindings('shell-exec', ('RETURN',))
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self.add_bindings('shell-clear', ('C-l',))
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self.add_bindings('shell-cancel', ('C-]', 'C-g'))
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self.add_bindings('shell-history-prev', ('C-p', 'UP'))
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self.add_bindings('shell-history-next', ('C-n', 'DOWN'))
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#self.add_bindings('shell-tab', ('TAB',))
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self.add_bindings('shell-page-up', ('M-v',))
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self.add_bindings('shell-page-down', ('C-v',))
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self.add_bindings('shell-goto-beginning', ('M-<',))
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self.add_bindings('shell-goto-end', ('M->',))
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install = ShellMini.install
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