# Module for reading and parsing Scintilla.iface file
import string

def sanitiseLine(line):
	if line[-1:] == '\n': line = line[:-1]
	if string.find(line, "##") != -1:
		line = line[:string.find(line, "##")]
	line = string.strip(line)
	return line

def safename(s):
	ret = s
	if s == "end":
		ret = "end_"
	elif s=="type":
		ret="type_"
	elif s == "begin":
		ret = "begin_"
	elif s == "SetFocus":
		ret = "SetFocusEx"
	return ret

def decodeFunction(featureVal):
	retType, rest = string.split(featureVal, " ", 1)
	nameIdent, params = string.split(rest, "(")
	name, value = string.split(nameIdent, "=")
	if name != "":
		name = safename(name)
	params, rest = string.split(params, ")")
	param1, param2 = string.split(params, ",")[0:2]
	return retType, name, value, param1, param2

def decodeEvent(featureVal):
	retType, rest = string.split(featureVal, " ", 1)
	nameIdent, params = string.split(rest, "(")
	name, value = string.split(nameIdent, "=")
	params, rest = string.split(params, ")")
	parms = ParamList()
	parms.AddParams(params)
	return retType, name, value, parms

def decodeParam(p):
	param = string.strip(p)
	type = ""
	name = ""
	value = ""
	if " " in param:
		type, nv = string.split(param, " ")
		if "=" in nv:
			name, value = string.split(nv, "=")
		else:
			name = nv
	if name != "":
		name = safename(name)
	return type, name, value

class ParamList:
	def __init__(self):
		self.order = []
		self.params = {}

	def AddParams(self, str):
		notempty = 1;
		main = str
		string.strip(main)
		while notempty == 1:
			if "," in main:
				cur, main = string.split(main, ",", 1)
			else:
				cur = main
				main = ""
			t, name, v = decodeParam(cur)
			if name != "":
				name = safename(name)
				self.params[name] = {
					"ParamType" : t,
					"ParamValue" : v
				}
				self.order.append(name)
				string.strip(main)
			if main == "" or main == ",":
				notempty = 0

class Face:

	def __init__(self):
		self.order = []
		self.features = {}
		self.values = {}
		self.events = {}

	def ReadFromFile(self, name):
		currentCategory = ""
		currentComment = []
		currentCommentFinished = 0
		file = open(name)
		for line in file.readlines():
			line = sanitiseLine(line)
			if line:
				if line[0] == "#":
					if line[1] == " ":
						if currentCommentFinished:
							currentComment = []
							currentCommentFinished = 0
						currentComment.append(line[2:])
				else:
					currentCommentFinished = 1
					featureType, featureVal = string.split(line, " ", 1)
					if featureType in ["fun", "get", "set"]:
						retType, name, value, param1, param2 = decodeFunction(featureVal)
						p1 = decodeParam(param1)
						p2 = decodeParam(param2)
						self.features[name] = {
							"FeatureType": featureType,
							"ReturnType": retType,
							"Value": value,
							"Param1Type": p1[0], "Param1Name": p1[1], "Param1Value": p1[2],
							"Param2Type": p2[0],	"Param2Name": p2[1], "Param2Value": p2[2],
							"Category": currentCategory, "Comment": currentComment
						}
						if self.values.has_key(value):
							raise "Duplicate value " + value + " " + name
						self.values[value] = 1
						self.order.append(name)
					elif featureType == "evt":
						retType, name, value, params = decodeEvent(featureVal)
						p1 = decodeParam(param1)
						p2 = decodeParam(param2)
						self.features[name] = {
							"FeatureType": featureType,
							"ReturnType": retType,
							"Value": value,
							"Params" : params,
							"Category": currentCategory, "Comment": currentComment
						}
						if self.events.has_key(value):
							raise "Duplicate event " + value + " " + name
						self.events[value] = 1
						self.order.append(name)
					elif featureType == "cat":
						currentCategory = featureVal
					elif featureType == "val":
						name, value = string.split(featureVal, "=", 1)
						self.features[name] = {
							"FeatureType": featureType,
							"Category": currentCategory,
							"Value": value }
						self.order.append(name)