--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2012 Jose Fonseca
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ **************************************************************************/
+
+/*
+ * Python pickle writer
+ */
+
+#ifndef _PICKLE_HPP_
+#define _PICKLE_HPP_
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <ostream>
+#include <string>
+#include <limits>
+
+
+class PickleWriter
+{
+private:
+ std::ostream &os;
+
+ /*
+ * Python pickle opcodes. See pickle.py and pickletools.py from Python
+ * standard library for details.
+ */
+ enum Opcode {
+ MARK = '(',
+ STOP = '.',
+ POP = '0',
+ POP_MARK = '1',
+ DUP = '2',
+ FLOAT = 'F',
+ INT = 'I',
+ BININT = 'J',
+ BININT1 = 'K',
+ LONG = 'L',
+ BININT2 = 'M',
+ NONE = 'N',
+ PERSID = 'P',
+ BINPERSID = 'Q',
+ REDUCE = 'R',
+ STRING = 'S',
+ BINSTRING = 'T',
+ SHORT_BINSTRING = 'U',
+ UNICODE = 'V',
+ BINUNICODE = 'X',
+ APPEND = 'a',
+ BUILD = 'b',
+ GLOBAL = 'c',
+ DICT = 'd',
+ EMPTY_DICT = '}',
+ APPENDS = 'e',
+ GET = 'g',
+ BINGET = 'h',
+ INST = 'i',
+ LONG_BINGET = 'j',
+ LIST = 'l',
+ EMPTY_LIST = ']',
+ OBJ = 'o',
+ PUT = 'p',
+ BINPUT = 'q',
+ LONG_BINPUT = 'r',
+ SETITEM = 's',
+ TUPLE = 't',
+ EMPTY_TUPLE = ')',
+ SETITEMS = 'u',
+ BINFLOAT = 'G',
+
+ PROTO = '\x80',
+ NEWOBJ = '\x81',
+ EXT1 = '\x82',
+ EXT2 = '\x83',
+ EXT4 = '\x84',
+ TUPLE1 = '\x85',
+ TUPLE2 = '\x86',
+ TUPLE3 = '\x87',
+ NEWTRUE = '\x88',
+ NEWFALSE = '\x89',
+ LONG1 = '\x8a',
+ LONG4 = '\x8b',
+ };
+
+public:
+ PickleWriter(std::ostream &_os) :
+ os(_os) {
+ }
+
+ inline void begin() {
+ os.put(PROTO);
+ os.put(2);
+ }
+
+ inline void end() {
+ os.put(STOP);
+ }
+
+ inline void beginDict() {
+ os.put(EMPTY_DICT);
+ os.put(BINPUT);
+ os.put(1);
+ }
+
+ inline void endDict() {
+ }
+
+ inline void beginItem() {
+ }
+
+ inline void beginItem(const char * name) {
+ writeString(name);
+ }
+
+ inline void beginItem(const std::string &name) {
+ beginItem(name.c_str());
+ }
+
+ inline void endItem(void) {
+ os.put(SETITEM);
+ }
+
+ inline void beginList() {
+ os.put(EMPTY_LIST);
+ os.put(BINPUT);
+ os.put(1);
+ os.put(MARK);
+ }
+
+ inline void endList(void) {
+ os.put(APPENDS);
+ }
+
+ inline void beginTuple() {
+ os.put(MARK);
+ }
+
+ inline void endTuple(void) {
+ os.put(TUPLE);
+ }
+
+ inline void writeString(const char *s, size_t length) {
+ if (!s) {
+ writeNone();
+ return;
+ }
+
+ if (length < 256) {
+ os.put(SHORT_BINSTRING);
+ os.put(length);
+ } else {
+ os.put(BINSTRING);
+ putInt32(length);
+ }
+ os.write(s, length);
+
+ os.put(BINPUT);
+ os.put(1);
+ }
+
+ inline void writeString(const char *s) {
+ if (!s) {
+ writeNone();
+ return;
+ }
+
+ writeString(s, strlen(s));
+ }
+
+ inline void writeString(const std::string &s) {
+ writeString(s.c_str(), s.size());
+ }
+
+ inline void writeNone(void) {
+ os.put(NONE);
+ }
+
+ inline void writeBool(bool b) {
+ os.put(b ? NEWTRUE : NEWFALSE);
+ }
+
+ inline void writeInt(uint8_t i) {
+ os.put(BININT1);
+ os.put(i);
+ }
+
+ inline void writeInt(uint16_t i) {
+ if (i < 0x100) {
+ writeInt((uint8_t)i);
+ } else {
+ os.put(BININT2);
+ putInt16(i);
+ }
+ }
+
+ inline void writeInt(int32_t i) {
+ if (0 <= i && i < 0x10000) {
+ writeInt((uint16_t)i);
+ } else {
+ os.put(BININT);
+ putInt32(i);
+ }
+ }
+
+ inline void writeInt(uint32_t i) {
+ if (i < 0x8000000) {
+ writeInt((int32_t)i);
+ } else {
+ writeLong(i);
+ }
+ }
+
+ inline void writeInt(long long i) {
+ if (-0x8000000 <= i && i < 0x8000000) {
+ writeInt((int32_t)i);
+ } else {
+ writeLong(i);
+ }
+ }
+
+ inline void writeInt(unsigned long long i) {
+ if (i < 0x8000000) {
+ writeInt((int32_t)i);
+ } else {
+ writeLong(i);
+ }
+ }
+
+ inline void writeFloat(double f) {
+ union {
+ double f;
+ char c[8];
+ } u;
+
+ assert(sizeof u.f == sizeof u.c);
+ u.f = f;
+
+ os.put(BINFLOAT);
+ os.put(u.c[7]);
+ os.put(u.c[6]);
+ os.put(u.c[5]);
+ os.put(u.c[4]);
+ os.put(u.c[3]);
+ os.put(u.c[2]);
+ os.put(u.c[1]);
+ os.put(u.c[0]);
+ }
+
+ inline void writeByteArray(const void *buf, size_t length) {
+ os.put(GLOBAL);
+ os << "__builtin__\nbytearray\n";
+ os.put(BINPUT);
+ os.put(1);
+ writeString(static_cast<const char *>(buf), length);
+ os.put(TUPLE1);
+ os.put(REDUCE);
+ }
+
+protected:
+ inline void putInt16(uint16_t i) {
+ os.put( i & 0xff);
+ os.put( i >> 8 );
+ }
+
+ inline void putInt32(uint32_t i) {
+ os.put( i & 0xff);
+ os.put((i >> 8) & 0xff);
+ os.put((i >> 16) & 0xff);
+ os.put( i >> 24 );
+ }
+
+ template< class T >
+ inline void writeLong(T l) {
+ os.put(LONG1);
+
+ if (l == 0) {
+ os.put(0);
+ return;
+ }
+
+ // Same as l >> (8 * sizeof l), but without the warnings
+ T sign;
+ if (std::numeric_limits<T>::is_signed) {
+ sign = l < 0 ? ~0 : 0;
+ } else {
+ sign = 0;
+ }
+
+ T sl = l;
+ unsigned c = 0;
+ do {
+ ++c;
+ } while (sl >>= 8 != sign);
+
+ // Add an extra byte if sign bit doesn't match
+ if (((l >> (8 * c - 1)) & 1) != ((l >> (8 * sizeof l - 1)) & 1)) {
+ ++c;
+ }
+ os.put(c);
+
+ for (unsigned i = 0; i < c; ++ i) {
+ os.put(l & 0xff);
+ l >>= 8;
+ }
+ }
+};
+
+#endif /* _Pickle_HPP_ */
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2012 Jose Fonseca
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- **************************************************************************/
-
-/*
- * Python pickle writer
- */
-
-#ifndef _PICKLE_HPP_
-#define _PICKLE_HPP_
-
-#include <assert.h>
-#include <stddef.h>
-#include <stdint.h>
-
-#include <ostream>
-#include <string>
-#include <limits>
-
-
-class PickleWriter
-{
-private:
- std::ostream &os;
-
- /*
- * Python pickle opcodes. See pickle.py and pickletools.py from Python
- * standard library for details.
- */
- enum Opcode {
- MARK = '(',
- STOP = '.',
- POP = '0',
- POP_MARK = '1',
- DUP = '2',
- FLOAT = 'F',
- INT = 'I',
- BININT = 'J',
- BININT1 = 'K',
- LONG = 'L',
- BININT2 = 'M',
- NONE = 'N',
- PERSID = 'P',
- BINPERSID = 'Q',
- REDUCE = 'R',
- STRING = 'S',
- BINSTRING = 'T',
- SHORT_BINSTRING = 'U',
- UNICODE = 'V',
- BINUNICODE = 'X',
- APPEND = 'a',
- BUILD = 'b',
- GLOBAL = 'c',
- DICT = 'd',
- EMPTY_DICT = '}',
- APPENDS = 'e',
- GET = 'g',
- BINGET = 'h',
- INST = 'i',
- LONG_BINGET = 'j',
- LIST = 'l',
- EMPTY_LIST = ']',
- OBJ = 'o',
- PUT = 'p',
- BINPUT = 'q',
- LONG_BINPUT = 'r',
- SETITEM = 's',
- TUPLE = 't',
- EMPTY_TUPLE = ')',
- SETITEMS = 'u',
- BINFLOAT = 'G',
-
- PROTO = '\x80',
- NEWOBJ = '\x81',
- EXT1 = '\x82',
- EXT2 = '\x83',
- EXT4 = '\x84',
- TUPLE1 = '\x85',
- TUPLE2 = '\x86',
- TUPLE3 = '\x87',
- NEWTRUE = '\x88',
- NEWFALSE = '\x89',
- LONG1 = '\x8a',
- LONG4 = '\x8b',
- };
-
-public:
- PickleWriter(std::ostream &_os) :
- os(_os) {
- }
-
- inline void begin() {
- os.put(PROTO);
- os.put(2);
- }
-
- inline void end() {
- os.put(STOP);
- }
-
- inline void beginDict() {
- os.put(EMPTY_DICT);
- os.put(BINPUT);
- os.put(1);
- }
-
- inline void endDict() {
- }
-
- inline void beginItem() {
- }
-
- inline void beginItem(const char * name) {
- writeString(name);
- }
-
- inline void beginItem(const std::string &name) {
- beginItem(name.c_str());
- }
-
- inline void endItem(void) {
- os.put(SETITEM);
- }
-
- inline void beginList() {
- os.put(EMPTY_LIST);
- os.put(BINPUT);
- os.put(1);
- os.put(MARK);
- }
-
- inline void endList(void) {
- os.put(APPENDS);
- }
-
- inline void beginTuple() {
- os.put(MARK);
- }
-
- inline void endTuple(void) {
- os.put(TUPLE);
- }
-
- inline void writeString(const char *s, size_t length) {
- if (!s) {
- writeNone();
- return;
- }
-
- if (length < 256) {
- os.put(SHORT_BINSTRING);
- os.put(length);
- } else {
- os.put(BINSTRING);
- putInt32(length);
- }
- os.write(s, length);
-
- os.put(BINPUT);
- os.put(1);
- }
-
- inline void writeString(const char *s) {
- if (!s) {
- writeNone();
- return;
- }
-
- writeString(s, strlen(s));
- }
-
- inline void writeString(const std::string &s) {
- writeString(s.c_str(), s.size());
- }
-
- inline void writeNone(void) {
- os.put(NONE);
- }
-
- inline void writeBool(bool b) {
- os.put(b ? NEWTRUE : NEWFALSE);
- }
-
- inline void writeInt(uint8_t i) {
- os.put(BININT1);
- os.put(i);
- }
-
- inline void writeInt(uint16_t i) {
- if (i < 0x100) {
- writeInt((uint8_t)i);
- } else {
- os.put(BININT2);
- putInt16(i);
- }
- }
-
- inline void writeInt(int32_t i) {
- if (0 <= i && i < 0x10000) {
- writeInt((uint16_t)i);
- } else {
- os.put(BININT);
- putInt32(i);
- }
- }
-
- inline void writeInt(uint32_t i) {
- if (i < 0x8000000) {
- writeInt((int32_t)i);
- } else {
- writeLong(i);
- }
- }
-
- inline void writeInt(long long i) {
- if (-0x8000000 <= i && i < 0x8000000) {
- writeInt((int32_t)i);
- } else {
- writeLong(i);
- }
- }
-
- inline void writeInt(unsigned long long i) {
- if (i < 0x8000000) {
- writeInt((int32_t)i);
- } else {
- writeLong(i);
- }
- }
-
- inline void writeFloat(double f) {
- union {
- double f;
- char c[8];
- } u;
-
- assert(sizeof u.f == sizeof u.c);
- u.f = f;
-
- os.put(BINFLOAT);
- os.put(u.c[7]);
- os.put(u.c[6]);
- os.put(u.c[5]);
- os.put(u.c[4]);
- os.put(u.c[3]);
- os.put(u.c[2]);
- os.put(u.c[1]);
- os.put(u.c[0]);
- }
-
- inline void writeByteArray(const void *buf, size_t length) {
- os.put(GLOBAL);
- os << "__builtin__\nbytearray\n";
- os.put(BINPUT);
- os.put(1);
- writeString(static_cast<const char *>(buf), length);
- os.put(TUPLE1);
- os.put(REDUCE);
- }
-
-protected:
- inline void putInt16(uint16_t i) {
- os.put( i & 0xff);
- os.put( i >> 8 );
- }
-
- inline void putInt32(uint32_t i) {
- os.put( i & 0xff);
- os.put((i >> 8) & 0xff);
- os.put((i >> 16) & 0xff);
- os.put( i >> 24 );
- }
-
- template< class T >
- inline void writeLong(T l) {
- os.put(LONG1);
-
- if (l == 0) {
- os.put(0);
- return;
- }
-
- // Same as l >> (8 * sizeof l), but without the warnings
- T sign;
- if (std::numeric_limits<T>::is_signed) {
- sign = l < 0 ? ~0 : 0;
- } else {
- sign = 0;
- }
-
- T sl = l;
- unsigned c = 0;
- do {
- ++c;
- } while (sl >>= 8 != sign);
-
- // Add an extra byte if sign bit doesn't match
- if (((l >> (8 * c - 1)) & 1) != ((l >> (8 * sizeof l - 1)) & 1)) {
- ++c;
- }
- os.put(c);
-
- for (unsigned i = 0; i < c; ++ i) {
- os.put(l & 0xff);
- l >>= 8;
- }
- }
-};
-
-#endif /* _Pickle_HPP_ */
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