From 0c1a7bbe0d0c6727a432890164032188787e7e26 Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Sun, 22 Nov 2009 20:09:06 +0800 Subject: mesa/es: Add APIspec.xml and its parser. APIspec.xml is based on APIspec.txt. The new format has less code duplications and should be easier to read. Signed-off-by: Chia-I Wu --- src/mesa/es/main/APIspec.dtd | 52 + src/mesa/es/main/APIspec.py | 601 ++++++ src/mesa/es/main/APIspec.xml | 4405 +++++++++++++++++++++++++++++++++++++++ src/mesa/es/main/APIspecutil.py | 262 +++ 4 files changed, 5320 insertions(+) create mode 100644 src/mesa/es/main/APIspec.dtd create mode 100644 src/mesa/es/main/APIspec.py create mode 100644 src/mesa/es/main/APIspec.xml create mode 100644 src/mesa/es/main/APIspecutil.py (limited to 'src') diff --git a/src/mesa/es/main/APIspec.dtd b/src/mesa/es/main/APIspec.dtd new file mode 100644 index 0000000000..efcfa31f10 --- /dev/null +++ b/src/mesa/es/main/APIspec.dtd @@ -0,0 +1,52 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/src/mesa/es/main/APIspec.py b/src/mesa/es/main/APIspec.py new file mode 100644 index 0000000000..f07e4261fa --- /dev/null +++ b/src/mesa/es/main/APIspec.py @@ -0,0 +1,601 @@ +#!/usr/bin/python +# +# Copyright (C) 2009 Chia-I Wu +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the "Software"), +# to deal in the Software without restriction, including without limitation +# on the rights to use, copy, modify, merge, publish, distribute, sub +# license, and/or sell copies of the Software, and to permit persons to whom +# the Software is furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice (including the next +# paragraph) shall be included in all copies or substantial portions of the +# Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL +# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS +# IN THE SOFTWARE. +""" +A parser for APIspec. +""" + +class SpecError(Exception): + """Error in the spec file.""" + + +class Spec(object): + """A Spec is an abstraction of the API spec.""" + + def __init__(self, doc): + self.doc = doc + + self.spec_node = doc.getRootElement() + self.tmpl_nodes = {} + self.api_nodes = {} + self.impl_node = None + + # parse + node = self.spec_node.children + while node: + if node.type == "element": + if node.name == "template": + self.tmpl_nodes[node.prop("name")] = node + elif node.name == "api": + self.api_nodes[node.prop("name")] = node + else: + raise SpecError("unexpected node %s in apispec" % + node.name) + node = node.next + + # find an implementation + for name, node in self.api_nodes.iteritems(): + if node.prop("implementation") == "true": + self.impl_node = node + break + if not self.impl_node: + raise SpecError("unable to find an implementation") + + def get_impl(self): + """Return the implementation.""" + return API(self, self.impl_node) + + def get_api(self, name): + """Return an API.""" + return API(self, self.api_nodes[name]) + + +class API(object): + """An API consists of categories and functions.""" + + def __init__(self, spec, api_node): + self.name = api_node.prop("name") + self.is_impl = (api_node.prop("implementation") == "true") + + self.categories = [] + self.functions = [] + + # parse + func_nodes = [] + node = api_node.children + while node: + if node.type == "element": + if node.name == "category": + cat = node.prop("name") + self.categories.append(cat) + elif node.name == "function": + func_nodes.append(node) + else: + raise SpecError("unexpected node %s in api" % node.name) + node = node.next + + # realize functions + for func_node in func_nodes: + tmpl_node = spec.tmpl_nodes[func_node.prop("template")] + try: + func = Function(tmpl_node, func_node, self.is_impl, + self.categories) + except SpecError, e: + func_name = func_node.prop("name") + raise SpecError("failed to parse %s: %s" % (func_name, e)) + self.functions.append(func) + + def match(self, func, conversions={}): + """Find a matching function in the API.""" + match = None + need_conv = False + for f in self.functions: + matched, conv = f.match(func, conversions) + if matched: + match = f + need_conv = conv + # exact match + if not need_conv: + break + return (match, need_conv) + + +class Function(object): + """Parse and realize a