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TouchSnippet.py
178 lines (147 loc) · 5.36 KB
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TouchSnippet.py
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# -*- coding: utf-8 -*-
#
# touch-editor is based on wx.stc.StyledTextCtrl
# author : juntao.qiu@gmail.com
# date : 2012/02/11
#
import re
import sys, os
#VAR_PATTERN = "\$\{[^\{\w\.\:]+\}"
VAR_PATTERN = "\$\{[^\}]+\}"
class TouchSnippet(object):
def __init__(self, template):
self.template = template
self.stop = False
self.prev = -1
self.temp = ''
def Build(self):
#print self.template
pattern = re.compile(VAR_PATTERN, re.IGNORECASE)
it = pattern.finditer(self.template)
self.it = []
pos = 0
for i in it:
obj = {}
group = i.group()
inner = group[2:-1]
index, default = inner.split(':')
obj['span'] = i.span()
obj['position'] = pos
pos += 1
obj['index'] = index
obj['default'] = "" if len(default) == 0 else default
obj['length'] = 0 if len(default) == 0 else len(default)
self.it.append(obj)
#sort list by position
sorted(self.it, key=lambda item: item['position'])
self.index = 0
self.itlen = len(self.it)
def NextPos(self):
if self.stop:
return (-1, -1)
next = self.it[self.index]
self.last = self.index
self.index += 1
if self.index == self.itlen:
self.index = 0
if next['index'] == "0":
self.stop = True
return next['span']
def PrevPos(self):
if self.stop:
return (-1, -1)
prev = self.it[self.index]
self.last = self.index
self.index -= 1
if self.index < 0:
self.index = self.itlen - 1
#if jumped to the last tag, stop
if prev['index'] == "0":
self.stop = True
return prev['span']
def CurrentPos(self):
return self.index
def GetVarCount(self):
return self.itlen
def ReArrange(self):
pass
def Update(self, newchar):
item = self.it[self.last]
#print item, chr(newchar)
print "self.index=%d, self.last=%d" % (self.last, self.prev)
if self.last == self.prev:
self.temp += chr(newchar)
else:
self.temp = ''
self.temp = chr(newchar)
self.prev = self.last
offset = 0
print "len(self.temp) = %d, item[length] = %d" % (len(self.temp), item['length'])
offset = len(self.temp) - item['length']
item['length'] = len(self.temp)
print "len(self.temp) = %d, item[length] = %d" % (len(self.temp), item['length'])
start, end = item['span']
item['span'] = (start, start+len(self.temp))
for i in range(self.last+1, self.itlen):
s, e = self.it[i]['span']
self.it[i]['span'] = (s+offset, e+offset)
#print item
#print self.temp, len(self.temp)
def _GetDefault_(self, item):
if len(item['default']) > 0:
return item['default']
else:
#try to get the inherit value
for o in self.it:
if o['index'] == item['index'] and len(o['default']) > 0:
return o['default']
return ""
def Arrange(self):
template = self.template
pattern = re.compile(VAR_PATTERN, re.IGNORECASE)
li = pattern.findall(template)
if len(self.it) == 0:
return self.template
start, end = self.it[0]['span']
offset = 0
end = 0
for i in range(len(self.it)):
item = self.it[i]
default = self._GetDefault_(item)
s, e = item['span']
start = s - offset
end = start + len(default)
self.it[i]['length'] = len(default)
self.it[i]['span'] = (start, end)
offset += len(li[i]) - len(default)
template = template.replace(li[i], default)
return template
def Print(self):
print self.Arrange()
defaultSnippets = {
"inc_template" : "#include \"${1:idp_api.h}\"${0:}",
"Inc_template" : "#include <${1:stdio.h}>${0:}",
"td_template" : "typedef ${1:int} ${2:my_int};",
"struct_template" : "struct ${1:name}{\n\t${0:/*data*/}\n};\n",
"if_template" : "if(${1:cond}){\n\t${0:/*code*/}\n}\n",
"ifel_template" : "if(${1:cond}){\n\t${2:/*code*/}\n}else{\n\t${3:/*code*/}\n}\n",
"while_template" : "while(${1:cond}){\n\t${0:/*code*/}\n}\n",
"for_template" : "for(int ${1:i} = ${2:0}; ${1:} < ${3:count}; ${1:} += ${4:1}){\n\t${0:/*code*/}\n}\n",
"dowhile_template" : "do{\n\t${0:/*code*/}\n}while(${1:cond});\n",
"main_template" : "int main(int argc, char *argv[]){\n\t${0:/*code*/}\n\treturn 0;\n}\n",
"static_tempalte" : "int i = 0;\n"
}
if __name__ == "__main__":
#inc = TouchSnippet(inc_template)
for key in defaultSnippets:
"""
if not key == 'for_template':
continue
"""
snippet = TouchSnippet(defaultSnippets[key])
snippet.Build()
result = snippet.Arrange()
print defaultSnippets[key], result
for i in range(snippet.GetVarCount()):
s, e = snippet.NextPos()
print result[s:e]