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Author SHA1 Message Date
Benjamin Otte
7ccb9db79e css: Rewrite the parser 
Instead of relying on GScanner and its idea of syntax, code up a parser
that obeys the CSS spec.
This also has the great side effect of reporting correct line numbers
and positions.

Also included is a reorganization of the returned error values. Instead
of error values describing what type of syntax error was returned, the
code just returns SYNTAX_ERROR. Other messages exist for when actual
values don't work or when errors shouldn't be fatal due to backwards
compatibility.
 2011-05-18 22:17:55 +02:00
Benjamin Otte
058bbb2aec tests: Add a test for importing nonexistant files 2011-05-18 21:58:47 +02:00
Benjamin Otte
c7ef2225b7 tests: Add tests for cyclic imports 2011-05-18 21:58:47 +02:00
Benjamin Otte
427c97a635 tests: Add test for recursively importing an identical file 2011-05-18 21:58:46 +02:00
Benjamin Otte
e1dda3d03f cssprovider: Don't hardcode strings anymore 2011-05-18 21:58:46 +02:00
Benjamin Otte
cec2875d36 cssprovider: Add support for strings 2011-05-18 21:58:46 +02:00
Benjamin Otte
2a0ac6d102 cssprovider: Parse strings as identifiers when parsing property values 2011-05-18 21:58:46 +02:00
Benjamin Otte
6b66efe873 cssprovider: Add recursion checks for @import 
This is pretty important, because otherwise recursions cause crashes.
And if you accidentally change your theme to one that crashes on load,
all your gonna SEGV and then on reboot, gdm tries to load the theme...
 2011-05-18 21:58:46 +02:00
Benjamin Otte
22492a37c1 cssprovider: Allow storing the parent stylesheet 2011-05-18 21:58:46 +02:00
Benjamin Otte
286b5b9b72 cssprovider: Don't fail if an import doesn't work 2011-05-18 21:58:46 +02:00
Benjamin Otte
d6c6a0bcc0 cssprovider: Reimplement gtk_css_provider_load_from_path() 
Call gtk_css_provider_load_from_file() instead of the internal function.
This has two advantages:
1) It simplifies the code a lot
2) It gets rid of GMappedFile usage. GMappedFile does not work
   everywhere, so this is finally portable.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
b0d3078aa7 cssprovider: Make @import use the new load_internal() func 2011-05-18 21:58:46 +02:00
Benjamin Otte
a183375b94 cssprovider: Make load_internal() load the contents 
This way, we achieve two things:
1) We can unify file loading to one location
2) We can emit the error from file loading using the parsing-error
   signal. This is very useful for @import handling in particular.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
5bedc822ec cssprovider: Introduce gtk_css_provider_take_error_full() 
Emits the error without the need for a scanner. Also simplifies
gtk_css_provider_take_error() because we now can assert an available
scanner at all times.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
f937d0275a cssprovider: More error handling into load_internal() 
Now the parsing functions starting at parse_stylesheet() don't have to
care about errors anymore.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
da52175013 cssprovider: Add a load_internal function that all loads chain to 2011-05-18 21:58:46 +02:00
Benjamin Otte
77b40f2dcd tests: Order files by name before adding them as tests 
Ensures that the order of tests is not dependant on your hard disk.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
5cf6a8a23f cssprovider: Keep base url in the scanner 
And provide a nice function to query it. Simplifies a bunch of code.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
84ba8255fc cssprovider: Move properties to scanner constructor 
So we can set them in one place.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
2de4f71586 cssprovider: Don't store scanner in the struct 
Instead, create scanners whenever we actually parse stuff.
 2011-05-18 21:58:46 +02:00
Benjamin Otte
5c940f2bd4 cssprovider: Get rid of gtk_css_provider_reset_parser() 
Instead call gtk_css_scanner_reset(). There is nothing else we could
need to do.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
607846879e cssprovider: Keep track of passed in error differently 
Instead of having an error member in the CSS provider's private struct,
connect a signal handler when an error is passed in. This has two
advantages:
1) It makes the code clearer as we don't have to keep track of an error
   member anywhere.
2) It causes a non-emission of the g_warning() when an error was passed
   in, because it only triggers when no signal handlers are connected.
   So we get identical behavior to GTK 3.0 where warnings where only
   emitted when no error was passed in.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
8fb6fdd3e7 cssprovider: Do error handling differently 
Instead of aborting a parse whenever we encounter an error, parse to the
end. But if a GError was passed in, reset the provider completely as if
nothing had been parsed.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
992ee6a203 cssprovider: Emit a g_warning() when a css file is erroneous 
... and no other error handler is active. See the source code comment
for the reasoning.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
2d75dd2fdf cssprovider: No need to restore after @import parsing 
With the recent changes, this just resets the error, and we don't the
error reset from subfile parsing.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
3e146b468b cssprovider: Store current properties and selectors in scanner 
They don't belong in the css provider
 2011-05-18 21:58:45 +02:00
Benjamin Otte
f3bb815517 cssprovider: Use scanner variable instead of priv->scanner 2011-05-18 21:58:45 +02:00
Benjamin Otte
d85cbfe157 cssprovider: Pass scanner argument explicitly to error functions 2011-05-18 21:58:45 +02:00
Benjamin Otte
5bc2ae1a91 cssprovider: Update the scope modifying functions 
Make them take the scanner as an argument, as that's what gets changed,
not the CssProvider.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
83ebc91dce cssprovider: track state in the scanner 
This way, we don't have to do magic copies when we create a new scanner
for a subfile.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
740f2458bf cssprovider: Add a private structure to the scanner 
So far, it's unused
 2011-05-18 21:58:45 +02:00
Benjamin Otte
073d75a880 cssprovider: Add a custom gtk_css_scanner_destroy() function 
So far, it does nothing
 2011-05-18 21:58:45 +02:00
Benjamin Otte
5ca9f25523 cssprovider: Pass the scanner explicitly to parse_stylesheet() 
This is the first step in decoupling the scanner from the provider.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
318a3af96e cssprovider: No need to set user data anymore 2011-05-18 21:58:45 +02:00
Benjamin Otte
796d593cc1 tests: Make css-parser test take files as argument 
Takes the css files to be tested as argument and runs with it.
 2011-05-18 21:58:45 +02:00
Benjamin Otte
1f4b09b2fb tests: Add a test for border parsing 2011-05-18 21:58:45 +02:00
Benjamin Otte
195589feac tests: Add new test checking weird behavior for declarations 2011-05-18 21:58:44 +02:00
Benjamin Otte
cb8a595a65 cssprovider: Clean up declaration parser to conform to more tests 
The tests will follow with the next commits
 2011-05-18 21:58:44 +02:00
Benjamin Otte
22bda2b92f cssprovider: Rework declaration parsing loop 
The new loop can cope better with invalid identifiers and manages to
resume parsing properly.
 2011-05-18 21:58:44 +02:00
Benjamin Otte
fbf658b04e tests: Add CSS integer parsing tests 2011-05-18 21:58:44 +02:00
Benjamin Otte
d28816bdba tests: Add test for booleans to CSS tests 2011-05-18 21:58:44 +02:00
Benjamin Otte
5e054b37a2 cssprovider: Don't fail with invalid syntax when parsing a value 
Instead, raise a PROPERTY_VALUE error, find the next semicolon or
closing bracket and resume parsing.
 2011-05-18 21:58:44 +02:00
Benjamin Otte
be1da7ef92 tests: (Try to) print the actual enum value in the errors file 
Instead of gtk-some-error-quark 5, print
GTK_SOME_ERROR_SOMETHING_FAILED.
 2011-05-18 21:58:44 +02:00
Benjamin Otte
71b18a9006 test: Add a bunch of default properties to the CSS parser 
One of each type, so that we can test the parsing of them.
 2011-05-18 21:58:44 +02:00
Benjamin Otte
a94ea9a4e3 css: Overhaul value parsing 
Value parsing only sometimes emitted errors. Sometimes it didn't emit
errors but ignored the value, sometimes it took a default, sometimes it
converted it to something it deemed suitable.

While refactoring, I moved the whole GValue <=> char * conversion
routines to a separate file, to make navigating the core css provider
easier.
 2011-05-18 21:58:44 +02:00
Benjamin Otte
a50a06b583 cssprovider: Remove now useless variables 2011-05-18 21:58:44 +02:00
Benjamin Otte
469ed3e8ed cssprovider: Remove scanner_report_warning() function 
That function does superbad stuff just to print out something on stderr.
Don't do superbad stuff.
 2011-05-18 21:58:44 +02:00
Benjamin Otte
f1307ef428 tests: Make CSS parser pass NULL as error. 
We are trapping errors via signals now.
 2011-05-18 21:58:44 +02:00
Benjamin Otte
2d0162c97b tests: Check errors in css test 2011-05-18 21:58:44 +02:00
Benjamin Otte
35c9650752 tests: Change the way the code does diffs 
Use a temp file for intermediate storage and properly unlink that
tempfile after the diff is done.
 2011-05-18 21:58:44 +02:00