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<mesh> node attribute name is "name", not "mesh".
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tests: Fix OSX test failure
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Apparently at some point OSX behavior when reading /dev/tty switched
from "can't open the file" to "the file can be opened and 0 bytes can be
read from it" which generates a wrong error and doesn't exercise the
code path we care about.
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Fixes #176.
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This makes it a bit faster and matches other internal code better.
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The static_buffer optimization seems to come from the time where the
on-heap buffer was allocated using global memory operations. At this
point the temporary buffer and temporary string storage all come from
the evaluation stack (that can be partially allocated on heap...), so
the extra logic isn't relevant for performance.
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This change implements move ctor and assign support for xml_document.
All node handles remain valid after the move and point to the new document; the only exception is the document node itself (that remains unmoved).
Move is O(document size) in theory because it needs to relocate immediate document children (there is just one in conformant documents) and all memory pages; in practice the memory pages only need the header adjusted, which is ~0.1% of the actual data size.
Move requires no allocations in general, except when using compact mode where some moves need to grow the hash table which can fail (throw).
Fixes #104
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This helps make sure our error handling logic works and is exercised.
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In compact mode, we currently can not support zero-allocation moves
since some pointer assignments required during the move need to allocate
hash table slots.
This is mostly applicable to xml_document_struct::first_child, since the
pointer to this element is used as a hash table key, but there are some
contrived cases where parents of root's children need a hash slot and
didn't have it before.
These cases can be fixed by changing the compact encoding to be a bit
more move friendly, but for now it's easier to handle the error and
throw/return during move.
When this happens, the source document doesn't change.
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This allows us to do a single reserve for a known amount of assignments
that is larger than the default minimum per reserve (16).
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This makes sure that MSVC shared library build actually exports all the
needed symbols and generates import table.
Somehow, this is actually enough to make pugixml link as a DLL - there's
no need to specify __declspec(dllimport) even though pugixml exports
classes via DLL.
Fixes #113.
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This warning is new as of GCC 7 and highlights undefined behavior in the
preprocessor that ASAN detection was relying on.
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These days OSX clang supports UB sanitizer so we can just use the same
settings for all systems.
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The old fuzzer location is deprecated; this also makes it almost trivial
to fuzz, provided that the clang is set up correctly... on Ubuntu 17.10,
a command sequence like this works now:
sudo apt install clang-5.0
sudo apt install libfuzzer-5.0
sudo cp /usr/lib/llvm-5.0/lib/libFuzzer.a /usr/lib/libLLVMFuzzer.a
CXX=clang++-5.0 make fuzz_parse
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These tests currently fail for compact mode because of ->reserve()
failing.
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After move some nodes in the hash table can have keys that point to
other; this makes the table somewhat larger but this does not impact
correctness.
The reason is that for us to access a key in the hash table, there
should be a compact_pointer/string object with the state indicating that
it is stored in a hash table, and with the address matching the key. For
this to happen, we had to have put this object into this state which
would mean that we'd overwrite the hash entry with the new, correct
value.
When nodes/pages are being removed, we do not clean up keys from the
hash table - it's safe for the same reason, and thus move doesn't
introduce additional contracts here.
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We now check that appending a child to a moved document performs no
allocations - this is already the case, but if we neglected to copy the
allocator state this test would fail.
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Large test wasn't testing shared parent condition properly - add one
more level of hierarchy so that it works as expected.
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Add a test that checks that static buffer pointer was moved correctly
by checking if offset_debug still works.
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Make sure we have coverage for empty documents and for large documents
that trigger compact_shared_parent != root for some pages.
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Verify that move doesn't allocate and that it preserves structures
required for tree memory management and append_buffer in tact.
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These just verify that move ctor/assignment operator work as expected in
simple cases - there are a number of ways in which the internal
structure can be incorrect...
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This change implements the initial version of move construction and
assignment support for documents.
When moving a document to another document, we always make sure move
target is in "clean" state (empty document), and proceed by relocating
all structures in the most efficient way possible.
Complications arise from the fact that the root (document) node is
embedded into xml_document object, so all pointers to it have to change;
this includes parent pointers of all first-level children as well as
allocator pointers in all memory pages and previous pointer in the first
on-heap memory page.
Additionally, compact mode makes everything even more complicated
because some of the pointers we need to update are stored in the hash
table (in fact, document first_child pointer is very likely to be there;
some parent pointers in first-level children will be using
compact_shared_parent but some won't be) which requires allocating a new
hash table which can fail.
Some details of this process are not fully fleshed out, especially for
compact mode; and this definitely requires many tests.
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It has always been the case that pugixml does not perform Unicode
validation or name/tag Unicode character class validation, but it wasn't
very obvious from documentation.
Fixes #162
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We support Latin-1 and automatically detect it by parsing the encoding
from document declaration; both of these were omitted from the
description of the automatic detection.
Additionally, the description has been rewritten to be more concise and
a bit more abstract - there's no need to specify the algorithm precisely
here.
Fixes #158.
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Due to a typo in build script v141 binaries were built using VS2015
instead of VS2017.
Fixes #157.
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Using LTCG restricts the resulting .lib files to a specific compiler
version, causing version conflicts when the compiler gets updated
without changing the toolset version. VS2017 now has two incompatible
compilers, 15.0 and 15.3, both of which use toolset v141...
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Clang/C2 does not implement __builtin_expect; additionally we need to
work around deprecation warnings for fopen by disabling them.
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Switch codecov.io URLs to https
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These new tests test that tellg() can fail when being called the second
time, which leads to seekable implementation failing.
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These tests simulate various error conditions when reading data from
streams - seeks failing in seekable streams, underflow throwing an
exception causing read to set badbit, etc.
This change also adjusts memory thresholds to cause a reliable out of
memory during construction of a final buffer for non-seekable streams.
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This fixes missing coverage in translate_table_generate and
xpath_node_set_raw::append.
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Hiding using namespace in common.hpp is somewhat surprising so remove
common.hpp and move using namespace into all .cpp files that need it.
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Most tests have `using namespace pugi` which makes explicit
qualifications unnecessary.
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It's not clear whether we still need PUGI__MSVC_CRT_VERSION, but it's
more consistent for now to use it for _snprintf_s since this is relying
on a CRT extension, not on a compiler feature.
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These functions were deprecated via comments in 1.5 but never got the
deprecated attribute; now is the time!
Using deprecated functions produces a warning; to silence it, this
change moves the relevant tests to a separate translation unit that has
deprecation disabled.
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Rework NuGet package building
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Unify build paths in all MSBuild VS projects and extract common build
logic into functions.
Note that this change changes both VS2010 and VS2013 projects to have
more predictable output paths and fixed output file name (pugixml).
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Also improve linkage description
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We build NuGet package manually now so we don't need CoApp.
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We'd like to build pugixml with both static & dynamic CRT and put it
all in one NuGet package.
CoApp sort of allows us to do this via dynamic/static pivots, but it
does not let us customize the names of the pivots and additionally has
some bugs with the project setup. Their project modifications are also
much more complicated - really, at this point we should do this
ourselves.
Create a simple native NuGet package with Linkage setting that picks the
right library, and package all libraries appropriately. Note that we use
the unified path syntax to make it simple to just get the right .lib
file from the toolset/platform/configuration/linkage combo.
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The macro only works correctly when the input argument is an array with
a statically known size - pointers or arrays decayed to pointers won't
work silently.
While this is unlikely to surface issues that aren't caught in
tests/code review, use _countof for MSVC to prevent such code from
compiling.
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