upstream/mercurial-mirror Files · mercurial/cext/charencode.h

bundlerepo: dynamically create repository type from base repository...

bundlerepo: dynamically create repository type from base repository Previously, bundlerepository inherited from localrepo.localrepository. You simply instantiated a bundlerepository and its __init__ called localrepo.localrepository.__init__. Things were simple. Unfortunately, this strategy is limiting because it assumes that the base repository is a localrepository instance. And it assumes various properties of localrepository, such as the arguments its __init__ takes. And it prevents us from changing behavior of localrepository.__init__ without also having to change derived classes. Previous and ongoing work to abstract storage revealed these limitations. This commit changes the initialization strategy of bundle repositories to dynamically create a type to represent the repository. Instead of a static type, we instantiate a new local repo instance via localrepo.instance(). We then combine its __class__ with bundlerepository to produce a new type. This ensures that no matter how localrepo.instance() decides to create a repository object, we can derive a bundle repo object from it. i.e. localrepo.instance() could return a type that isn't a localrepository and it would "just work." Well, it would "just work" if bundlerepository's custom implementations only accessed attributes in the documented repository interface. I'm pretty sure it violates the interface contract in a handful of places. But we can worry about that another day. This change gets us closer to doing more clever things around instantiating repository instances without having to worry about teaching bundlerepository about them. .. api:: ``bundlerepo.bundlerepository`` is no longer usable on its own. The class is combined with the class of the base repository it is associated with at run-time. New bundlerepository instances can be obtained by calling ``bundlerepo.instance()`` or ``bundlerepo.makebundlerepository()``. Differential Revision: https://phab.mercurial-scm.org/D4555

Augie Fackler - - Load All Authors

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             charencode.h
        
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        Yuya Nishihara
    
cext: factor out header for charencode.c...

              r33753
            
      /*

       charencode.h - miscellaneous character encoding

       This software may be used and distributed according to the terms of

       the GNU General Public License, incorporated herein by reference.

      */

      #ifndef _HG_CHARENCODE_H_

      #define _HG_CHARENCODE_H_

      #include <Python.h>

      #include "compat.h"

      /* This should be kept in sync with normcasespecs in encoding.py. */

      enum normcase_spec {

      	NORMCASE_LOWER = -1,

      	NORMCASE_UPPER = 1,

      	NORMCASE_OTHER = 0

      };

        Yuya Nishihara
    
cext: modernize charencode.c to use Py_ssize_t

              r33754
            
      PyObject *unhexlify(const char *str, Py_ssize_t len);

        Yuya Nishihara
    
encoding: add function to test if a str consists of ASCII characters...

              r33927
            
      PyObject *isasciistr(PyObject *self, PyObject *args);

        Yuya Nishihara
    
cext: factor out header for charencode.c...

              r33753
            
      PyObject *asciilower(PyObject *self, PyObject *args);

      PyObject *asciiupper(PyObject *self, PyObject *args);

      PyObject *make_file_foldmap(PyObject *self, PyObject *args);

        Yuya Nishihara
    
encoding: add fast path of jsonescape() (issue5533)...

              r33926
            
      PyObject *jsonescapeu8fast(PyObject *self, PyObject *args);

        Yuya Nishihara
    
cext: factor out header for charencode.c...

              r33753
            
        Augie Fackler
    
charencode: adjust clang-format enable/disable comments...

              r36075
            
      /* clang-format off */

        Yuya Nishihara
    
cext: factor out header for charencode.c...

              r33753
            
      static const int8_t hextable[256] = {

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	 0,  1,  2,  3,  4,  5,  6,  7,  8,  9, -1, -1, -1, -1, -1, -1, /* 0-9 */

      	-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,

      	-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1

      };

        Augie Fackler
    
charencode: adjust clang-format enable/disable comments...

              r36075
            
      /* clang-format on */

        Yuya Nishihara
    
cext: factor out header for charencode.c...

              r33753
            
      static inline int hexdigit(const char *p, Py_ssize_t off)

      {

      	int8_t val = hextable[(unsigned char)p[off]];

      	if (val >= 0) {

      		return val;

      	}

      	PyErr_SetString(PyExc_ValueError, "input contains non-hex character");

      	return 0;

      }

      #endif /* _HG_CHARENCODE_H_ */

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Yuya Nishihara cext: factor out header for charencode.c...	r33753	/*
		charencode.h - miscellaneous character encoding

		This software may be used and distributed according to the terms of
		the GNU General Public License, incorporated herein by reference.
		*/

		#ifndef _HG_CHARENCODE_H_
		#define _HG_CHARENCODE_H_

		#include <Python.h>
		#include "compat.h"

		/* This should be kept in sync with normcasespecs in encoding.py. */
		enum normcase_spec {
		NORMCASE_LOWER = -1,
		NORMCASE_UPPER = 1,
		NORMCASE_OTHER = 0
		};

Yuya Nishihara cext: modernize charencode.c to use Py_ssize_t	r33754	PyObject unhexlify(const char str, Py_ssize_t len);
Yuya Nishihara encoding: add function to test if a str consists of ASCII characters...	r33927	PyObject isasciistr(PyObject self, PyObject *args);
Yuya Nishihara cext: factor out header for charencode.c...	r33753	PyObject asciilower(PyObject self, PyObject *args);
		PyObject asciiupper(PyObject self, PyObject *args);
		PyObject make_file_foldmap(PyObject self, PyObject *args);
Yuya Nishihara encoding: add fast path of jsonescape() (issue5533)...	r33926	PyObject jsonescapeu8fast(PyObject self, PyObject *args);
Yuya Nishihara cext: factor out header for charencode.c...	r33753
Augie Fackler charencode: adjust clang-format enable/disable comments...	r36075	/* clang-format off */
Yuya Nishihara cext: factor out header for charencode.c...	r33753	static const int8_t hextable[256] = {
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1, -1, -1, -1, -1, -1, /* 0-9 */
		-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* A-F */
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, -1, -1, -1, -1, -1, /* a-f */
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
		-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
		};
Augie Fackler charencode: adjust clang-format enable/disable comments...	r36075	/* clang-format on */
Yuya Nishihara cext: factor out header for charencode.c...	r33753
		static inline int hexdigit(const char *p, Py_ssize_t off)
		{
		int8_t val = hextable[(unsigned char)p[off]];

		if (val >= 0) {
		return val;
		}

		PyErr_SetString(PyExc_ValueError, "input contains non-hex character");
		return 0;
		}

		#endif /* _HG_CHARENCODE_H_ */