Remove third_party/twisted_8_1

third_party/twisted_8_1/twisted/protocols/_c_urlarg.c

-/*
- * Copyright (c) 2001-2004 Twisted Matrix Laboratories.
- * See LICENSE for details.
-
- *
- */
-/* _c_urlarg.c */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#include <Python.h>
-#include <cStringIO.h>
-#ifdef __cplusplus
-}
-#endif
-
-#ifdef __GNUC__
-#       define TM_INLINE inline
-#else
-#       define TM_INLINE /* */
-#endif
-
-static PyObject* UrlargError;
-
-#define OUTPUTCHAR(c,n) PycStringIO->cwrite(output, c, n)
-
-#define STATE_INITIAL 0
-#define STATE_PERCENT 1
-#define STATE_HEXDIGIT 2
-
-#define NOT_HEXDIGIT 255
-unsigned char hexdigits[256];
-
-TM_INLINE int ishexdigit(unsigned char c) {
-    return hexdigits[c];
-}
-
-static PyObject *unquote(PyObject *self, PyObject *args, PyObject *kwargs)
-{
-    unsigned char *s, *r, *end;
-    unsigned char quotedchar, quotedchartmp = 0, tmp;
-    unsigned char escchar = '%'; /* the character we use to begin %AB sequences */
-    static char *kwlist[] = {"s", "escchar", NULL};
-    int state = STATE_INITIAL, length;
-    PyObject *output, *str;
-    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s#|c:unquote", kwlist, &s, &length, &escchar)) {
-        return NULL;
-    }
-    /* output = cStringIO() */
-    output = PycStringIO->NewOutput(length);
-    if (output == NULL) {
-        return NULL;
-    }
-    end = s + length;
-    s = s - 1;
-    while ((++s) < end) {
-        switch(state) {
-        case STATE_INITIAL:
-            if (*s == escchar) {
-                state = STATE_PERCENT;
-            } else {
-                r = s - 1;
-                while (*(++r) != escchar && r < end);
-                OUTPUTCHAR(s, r-s);
-                s = r-1;
-            }
-            break;
-        case STATE_PERCENT:
-            if ((quotedchartmp = ishexdigit(*s)) != NOT_HEXDIGIT) {
-                tmp = *s;
-                state = STATE_HEXDIGIT;
-            } else {
-                state = STATE_INITIAL;
-                OUTPUTCHAR(&escchar, 1);
-                s--;
-            }
-            break;
-        case STATE_HEXDIGIT:
-            state = STATE_INITIAL;
-            if ((quotedchar = ishexdigit(*s)) != NOT_HEXDIGIT) {
-                quotedchar |= (quotedchartmp << 4);
-                OUTPUTCHAR(&quotedchar, 1);
-            } else {
-                OUTPUTCHAR(&escchar, 1);
-                s -= 2;
-            }
-            break;
-        }
-    }
-    switch(state) {
-    case STATE_PERCENT:
-        OUTPUTCHAR(&escchar, 1);
-        break;
-    case STATE_HEXDIGIT:
-        OUTPUTCHAR(&escchar, 1);
-        OUTPUTCHAR(&tmp, 1);
-        break;
-    }
-
-    /* return output.getvalue() */
-    str = PycStringIO->cgetvalue(output);
-    Py_DECREF(output);
-    return str;
-}
-
-static PyMethodDef _c_urlarg_methods[] = {
-    {"unquote",  (PyCFunction)unquote, METH_VARARGS|METH_KEYWORDS},
-    {NULL, NULL} /* sentinel */
-};
-
-DL_EXPORT(void) init_c_urlarg(void)
-{
-    PyObject* m;
-    PyObject* d;
-    unsigned char i;
-
-    PycString_IMPORT;
-    m = Py_InitModule("_c_urlarg", _c_urlarg_methods);
-    d = PyModule_GetDict(m);
-
-    /* add our base exception class */
-    UrlargError = PyErr_NewException("urlarg.UrlargError", PyExc_Exception, NULL);
-    PyDict_SetItemString(d, "UrlargError", UrlargError);
-
-    /* initialize hexdigits */
-    for(i = 0; i < 255; i++) {
-        hexdigits[i] = NOT_HEXDIGIT;
-    }
-    hexdigits[255] = NOT_HEXDIGIT;
-    for(i = '0'; i <= '9'; i++) {
-        hexdigits[i] = i - '0';
-    }
-    for(i = 'a'; i <= 'f'; i++) {
-        hexdigits[i] = 10 + (i - 'a');
-    }
-    for(i = 'A'; i <= 'F'; i++) {
-        hexdigits[i] = 10 + (i - 'A');
-    }
-    /* Check for errors */
-    if (PyErr_Occurred()) {
-        PyErr_Print();
-        Py_FatalError("can't initialize module _c_urlarg");
-    }
-}
-