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import os, cStringIO, string
from wxPython.wx import *
from xml.parsers.xmlproc import xmlval,xmlapp,xcatalog,catalog,errors, utils
# Todo:
# - bookmarks or something for sysid entry (make general bm and last-used?)
# - radio group for Output: None, Canonical XML, ESIS
# - tick box: namespace processing
# - File | About
# - File | Help
# --- Constants
XML_WILDCARD = "XML documents (*.xml)|*.xml|RDF documents (*.rdf)|*.rdf|XSL stylesheets (*.xsl)|*.xsl|All files|*.*"
CAT_WILDCARD = "SGML Open catalogs (*.soc)|*.soc|XCatalogs (*.xml)|*.xml|All files|*.*"
# --- Application
class Validator(wxApp):
def OnInit(self):
frame = MainWindow(NULL, -1, "wxValidator")
frame.Show(true)
self.SetTopWindow(frame)
return true
# --- ErrorHandler
class ErrorRecorder(xmlapp.ErrorHandler):
def __init__(self,locator,warnings=1):
xmlapp.ErrorHandler.__init__(self,locator)
self.show_warnings=warnings
self.reset()
def warning(self,msg):
if self.show_warnings:
self.__add_error(msg)
def error(self,msg):
self.__add_error(msg)
def fatal(self,msg):
self.__add_error(msg)
def reset(self):
self.errors=[]
def __add_error(self,msg):
self.errors.append((self.locator.get_current_sysid(),
self.locator.get_line(),
self.locator.get_column(),
msg))
# --- Output window
class OutputWindow(wxFrame):
def __init__(self, parent, output):
wxFrame.__init__(self, parent, -1, "Output")
wxTextCtrl(self, -1, output, wxDefaultPosition, wxDefaultSize,
wxTE_READONLY | wxTE_MULTILINE)
# --- Main window
ID_DOCUMENT = NewId()
ID_CATALOG = NewId()
ID_EXIT = NewId()
class MainWindow(wxFrame):
def __init__(self, parent, ID, title):
wxFrame.__init__(self, parent, ID, title,
wxDefaultPosition, wxSize(550, 450))
self.SetAutoLayout(true)
self.CreateStatusBar(1)
# --- Menu
menu = wxMenu()
menu.Append(ID_DOCUMENT, "&Find document",
"Find a document to validate")
menu.Append(ID_CATALOG, "Find &catalog",
"Find a catalog to resolve public identifiers with")
menu.Append(ID_EXIT, "E&xit", "Terminate the program")
menuBar = wxMenuBar()
menuBar.Append(menu, "&File");
self.SetMenuBar(menuBar)
EVT_MENU(self, ID_DOCUMENT, self.FindDocument)
EVT_MENU(self, ID_CATALOG, self.FindCatalog)
EVT_MENU(self, ID_EXIT, self.TimeToQuit)
# --- Field: XML document location
loc=wxTextCtrl(self,-1,"")
lc=wxLayoutConstraints()
lc.top.SameAs(self, wxTop, 5)
lc.height.AsIs()
lc.left.SameAs(self, wxLeft, 5)
lc.right.SameAs(self, wxRight, 5)
loc.SetConstraints(lc)
# --- Field: Catalog file location
cat_loc=""
if os.environ.has_key("XMLXCATALOG"):
cat_loc=os.environ["XMLXCATALOG"]
elif os.environ.has_key("XMLSOCATALOG"):
cat_loc=os.environ["XMLSOCATALOG"]
cat=wxTextCtrl(self,-1,cat_loc)
lc=wxLayoutConstraints()
lc.top.SameAs(loc, wxBottom, 5)
lc.height.AsIs()
lc.left.SameAs(self, wxLeft, 5)
lc.right.SameAs(self, wxRight, 5)
cat.SetConstraints(lc)
# --- A containing panel for a row of controls
panel=wxPanel(self,-1)
lc=wxLayoutConstraints()
lc.top.SameAs(cat, wxBottom)
lc.height.AsIs()
lc.left.SameAs(self, wxLeft)
lc.right.SameAs(self, wxRight)
panel.SetConstraints(lc)
# --- Buttons
parse_id=NewId()
parse_btn=wxButton(panel,parse_id,"Parse")
lc=wxLayoutConstraints()
lc.top.SameAs(panel, wxTop, 5)
lc.height.AsIs()
lc.left.SameAs(panel, wxLeft, 5)
lc.width.AsIs()
parse_btn.SetConstraints(lc)
EVT_BUTTON(self, parse_id, self.Parse)
# --- Field: Language
lang=wxComboBox(panel,-1)
# FIXME: want to set style
lc=wxLayoutConstraints()
lc.top.SameAs(panel, wxTop, 5)
lc.height.AsIs()
lc.left.SameAs(parse_btn, wxRight, 5)
lc.width.AsIs()
lang.SetConstraints(lc)
for lang_name in errors.get_language_list():
lang.Append(lang_name)
lang.SetSelection(0)
# --- Field: Warnings
warn=wxCheckBox(panel, -1, "Warnings")
lc=wxLayoutConstraints()
lc.top.SameAs(panel, wxTop, 5)
lc.height.AsIs()
lc.left.RightOf(lang, 5)
lc.width.AsIs()
warn.SetConstraints(lc)
# --- Field: Output?
output = wxCheckBox(panel, -1, "Show output")
lc = wxLayoutConstraints()
lc.top.SameAs(panel, wxTop, 5)
lc.height.AsIs()
lc.left.RightOf(warn, 5)
lc.width.AsIs()
output.SetConstraints(lc)
# --- Error list
list_id = NewId()
list = wxListCtrl(self, list_id, wxDefaultPosition, wxDefaultSize,
wxLC_REPORT|wxSUNKEN_BORDER)
list.InsertColumn(0,"System identifier")
list.InsertColumn(1,"Line")
list.InsertColumn(2,"Column")
list.InsertColumn(3,"Message")
lc=wxLayoutConstraints()
lc.top.SameAs(panel, wxBottom, 5)
lc.bottom.SameAs(self, wxBottom, 5)
lc.left.SameAs(self, wxLeft, 5)
lc.right.SameAs(self, wxRight, 5)
list.SetConstraints(lc)
# --- Global data
self.loc=loc
self.cat=cat
self.list=list
self.parser=xmlval.XMLValidator()
self.errors=ErrorRecorder(self.parser)
self.lang=lang
self.warn=warn
self.output = output
def Parse(self, *args):
sysid = string.strip(self.loc.GetValue())
if sysid == "":
self.SetStatusText("Nothing to parse")
return
self.parser.reset()
self.errors.reset()
self.errors.show_warnings = self.warn.GetValue()
if self.cat.GetValue != "":
self.SetStatusText("Parsing catalog...")
pf=xcatalog.FancyParserFactory()
cat=catalog.xmlproc_catalog(self.cat.GetValue(),pf,self.errors)
self.parser.set_pubid_resolver(cat)
self.SetStatusText("Parsing...")
if self.output.GetValue():
output = cStringIO.StringIO()
self.parser.set_application(utils.DocGenerator(output))
self.parser.set_error_handler(self.errors)
self.parser.set_error_language(self.lang.GetValue())
self.parser.parse_resource(sysid)
self.list.DeleteAllItems()
ix=0
for (sysid,line,col,msg) in self.errors.errors:
self.list.InsertStringItem(ix, sysid)
self.list.SetStringItem(ix, 1, `line`)
self.list.SetStringItem(ix, 2, `col`)
self.list.SetStringItem(ix, 3, msg)
ix=ix+1
self.list.SetColumnWidth(0, wxLIST_AUTOSIZE)
self.list.SetColumnWidth(1, wxLIST_AUTOSIZE)
self.list.SetColumnWidth(2, wxLIST_AUTOSIZE)
self.list.SetColumnWidth(3, wxLIST_AUTOSIZE)
if self.output.GetValue():
self.CreateOutputWindow(output)
self.SetStatusText("Parse completed (%s error(s))" % ix)
def CreateOutputWindow(self, output):
win = OutputWindow(self, output.getvalue())
win.Show(true)
def FindDocument(self, event):
file = wxFileSelector("Find document", ".", "", "", XML_WILDCARD,
wxOPEN | wxHIDE_READONLY)
if file: self.loc.SetValue(file)
def FindCatalog(self, event):
file = wxFileSelector("Find catalog", ".", "", "", CAT_WILDCARD,
wxOPEN | wxHIDE_READONLY)
if file: self.cat.SetValue(file)
def TimeToQuit(self, event):
self.Close(true)
# --- Main program
app = Validator(0)
app.MainLoop()
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