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Now using the PushNotifier SDK and submodules

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This commit is contained in:
Daniel Stein 2018-01-10 11:42:17 +01:00
parent 7d8642c9fb
commit 0eca806d46
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GPG key ID: 877E81B790A1E083
13 changed files with 34 additions and 14703 deletions
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6
.gitmodules vendored Normal file
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@ -0,0 +1,6 @@
[submodule "src/pushnotifier-sdk-cpp"]
path = src/pushnotifier-sdk-cpp
url = https://github.com/HackHerz/pushnotifier-sdk-cpp
[submodule "src/simpleini"]
path = src/simpleini
url = https://github.com/brofield/simpleini

29
makefile
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@ -5,16 +5,18 @@ TARGET = pusher
INSTALL_DIR = /usr/local/bin INSTALL_DIR = /usr/local/bin
CXX = g++ CXX = g++
CPPFLAGS = -std=c++11 CPPFLAGS = -std=c++11
BUILDCOMMAND = $(CXX) $(CPPFLAGS) CDEFS = -DAPI_TOKEN=\"8E7D8B2DDE7DDE7D6C3V52VB52VBD4DDETBTTTKFFB11\"
CDEFS += -DAPP_PACKAGE=\"com.hackherz.pusher\"
BUILDCOMMAND = $(CXX) $(CDEFS) $(CPPFLAGS)
LIBS = `pkg-config libcurl --cflags --libs` LIBS = `pkg-config libcurl --cflags --libs`
#============================================================================= #=============================================================================
# Build # Build
all: pusher all: $(TARGET)
$(TARGET): simpleini curlhandler pushhandler main $(TARGET): simpleini pushnotifier main
$(BUILDCOMMAND) src/simpleini/ConvertUTF.o src/curlhandler.o src/pushhandler.o src/main.o $(LIBS) -o $(TARGET) $(BUILDCOMMAND) src/simpleini/ConvertUTF.o src/pushnotifier-sdk-cpp/pushnotifier.o src/main.o $(LIBS) -o $(TARGET)
# simpleini # simpleini
@ -25,20 +27,12 @@ src/simpleini/ConvertUTF.o: src/simpleini/ConvertUTF.c
$(BUILDCOMMAND) -c src/simpleini/ConvertUTF.c -o src/simpleini/ConvertUTF.o $(BUILDCOMMAND) -c src/simpleini/ConvertUTF.c -o src/simpleini/ConvertUTF.o
# curlhandler # pushnotifier
.PHONY: curlhandler .PHONY: pushnotifier
curlhandler: src/curlhandler.o pushnotifier: src/pushnotifier-sdk-cpp/pushnotifier.o
src/curlhandler.o: src/curlhandler.cpp src/pushnotifier-sdk-cpp/pushnotifier.o: src/pushnotifier-sdk-cpp/PushNotifier.cpp
$(BUILDCOMMAND) -c src/curlhandler.cpp -o src/curlhandler.o $(BUILDCOMMAND) -c src/pushnotifier-sdk-cpp/PushNotifier.cpp -o src/pushnotifier-sdk-cpp/pushnotifier.o
# pushhandler
.PHONY: pushhandler
pushhandler: src/pushhandler.o
src/pushhandler.o: src/pushhandler.cpp
$(BUILDCOMMAND) -c src/pushhandler.cpp -o src/pushhandler.o
# main # main
@ -54,6 +48,7 @@ src/main.o: src/main.cpp
clean: clean:
rm -f src/*.o rm -f src/*.o
rm -f src/simpleini/*.o rm -f src/simpleini/*.o
rm -f src/pushnotifier-sdk-cpp/pushnotifier.o
rm -f $(TARGET) rm -f $(TARGET)

71
src/curlhandler.cpp
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@ -1,71 +0,0 @@
#include "curlhandler.h"
using namespace std;
// urlDecode matches
string matches[][2] = {
{"$", "%24"},
{"&", "%26"},
{"+", "%2B"},
{",", "%2C"},
{"/", "%2F"},
{":", "%3A"},
{";", "%3B"},
{"=", "%3D"},
{"?", "%3F"},
{"@", "%40"}
};
// needed for handling curl output
static size_t WriteCallback(void *contents, size_t size, size_t nmemb, void *userp)
{
((std::string*)userp)->append((char*)contents, size * nmemb);
return size * nmemb;
}
string CurlHandler::request(string data, const char* url)
{
CURL *curl;
CURLcode res;
string readBuffer;
curl = curl_easy_init();
if(curl)
{
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_USERAGENT, USER_AGENT);
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, data.c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteCallback);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &readBuffer);
res = curl_easy_perform(curl);
curl_easy_cleanup(curl);
if(res != CURLE_OK)
{
//throw PusherError("Network Error");
}
}
return readBuffer;
}
string CurlHandler::urlDecode(string url)
{
for(unsigned int i = 0; i < (sizeof(matches)/sizeof(matches[0])); i++)
{
size_t start_pos = 0;
while((start_pos = url.find(matches[i][0], start_pos)) != string::npos)
{
url.replace(start_pos, matches[i][0].length(), matches[i][1]);
start_pos += matches[i][1].length();
}
}
return url;
}

17
src/curlhandler.h
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@ -1,17 +0,0 @@
#ifndef H_CURLHANDLER
#define H_CURLHANDLER
#include <curl/curl.h>
#include <string>
#define USER_AGENT "pusher/0.2"
class CurlHandler
{
public:
static std::string request(std::string data, const char* url);
static std::string urlDecode(std::string url);
};
#endif

10183
src/json/json.hpp
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File diff suppressed because it is too large Load diff

54
src/main.cpp
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@ -17,7 +17,7 @@
#include "tclap/CmdLine.h" #include "tclap/CmdLine.h"
#include "simpleini/SimpleIni.h" #include "simpleini/SimpleIni.h"
#include "pushhandler.h" #include "pushnotifier-sdk-cpp/PushNotifier.h"
#define CONFIG_FILE "/etc/pusher.conf" #define CONFIG_FILE "/etc/pusher.conf"
@ -56,14 +56,13 @@ int main(int argc, char **argv)
TCLAP::CmdLine cmd("Push notifications to your phone easily.", ' ', "0.3"); TCLAP::CmdLine cmd("Push notifications to your phone easily.", ' ', "0.3");
// Values // Values
TCLAP::ValueArg<int> idArg("i","id","ID of the device.",false,0,"number"); TCLAP::ValueArg<string> idArg("i","id","ID of the device.",false,"0","string");
cmd.add(idArg); cmd.add(idArg);
// Switches // Switches
TCLAP::SwitchArg tokenSwitch("t", "token", "Request your token.", cmd, false); TCLAP::SwitchArg tokenSwitch("t", "token", "Request your token.", cmd, false);
TCLAP::SwitchArg listSwitch("l", "list", "List all your devices.", cmd, false); TCLAP::SwitchArg listSwitch("l", "list", "List all your devices.", cmd, false);
TCLAP::SwitchArg pipeSwitch("p", "pipe", "Input via pipe.", cmd, false); TCLAP::SwitchArg pipeSwitch("p", "pipe", "Input via pipe.", cmd, false);
TCLAP::SwitchArg verifySwitch("v","verify","Checks if token is still valid.", cmd, false);
// add unlabeled argument // add unlabeled argument
@ -76,8 +75,7 @@ int main(int argc, char **argv)
// Variables // Variables
string message; string message, id;
int id;
CSimpleIniA iniReader; CSimpleIniA iniReader;
iniReader.SetUnicode(); iniReader.SetUnicode();
@ -85,7 +83,8 @@ int main(int argc, char **argv)
// Request token // Request token
if(tokenSwitch.getValue()) if(tokenSwitch.getValue())
{ {
string username, password, token; string username, password;
PushNotifier::AppToken token;
// Read username // Read username
cout << "Username: "; cout << "Username: ";
@ -103,13 +102,13 @@ int main(int argc, char **argv)
cout << endl; cout << endl;
// pusher instance // pusher instance
PushHandler buf(username); PushNotifier buf;
token = buf.login(password); token = buf.login(username, password);
// Build config // Build config
iniReader.SetValue("pusher", "username", username.c_str()); iniReader.SetValue("pusher", "username", username.c_str());
iniReader.SetValue("pusher", "appToken", token.c_str()); iniReader.SetValue("pusher", "appToken", token.token.c_str());
// Check if file is writable // Check if file is writable
if(iniReader.SaveFile(CONFIG_FILE) < 0) if(iniReader.SaveFile(CONFIG_FILE) < 0)
@ -135,7 +134,7 @@ int main(int argc, char **argv)
// Check if reading of config is possible // Check if reading of config is possible
if(iniReader.LoadFile(CONFIG_FILE) < 0) if(iniReader.LoadFile(CONFIG_FILE) < 0)
{ {
throw PusherError("You need to login first."); throw runtime_error("You need to login first.");
} }
string username = iniReader.GetValue("pusher", "username", ""); string username = iniReader.GetValue("pusher", "username", "");
@ -143,37 +142,20 @@ int main(int argc, char **argv)
if(username.empty() || appToken.empty()) if(username.empty() || appToken.empty())
{ {
throw PusherError("You need to login first."); throw runtime_error("You need to login first.");
} }
// Loading values // Loading values
PushHandler pusherInstance(username, appToken); PushNotifier pusherInstance(username, appToken, 0);
// Verify token
if(verifySwitch.getValue())
{
if(pusherInstance.verifyToken())
{
cout << "appToken is valid" << endl;
return 0;
}
else
{
cout << "appToken is invalid" << endl;
return 1;
}
}
// List devices // List devices
if(listSwitch.getValue()) if(listSwitch.getValue())
{ {
vector<PushHandler::Device> devices; vector<PushNotifier::Device> devices;
devices = pusherInstance.getDevices(); devices = pusherInstance.getDevices();
unsigned int titleLength = 5; unsigned int titleLength = 5;
@ -209,7 +191,7 @@ int main(int argc, char **argv)
// Device id // Device id
if(idArg.getValue() != 0) if(sizeof(idArg) != 0)
{ {
id = idArg.getValue(); id = idArg.getValue();
} }
@ -242,7 +224,7 @@ int main(int argc, char **argv)
stringstream stringID; stringstream stringID;
stringID << id; stringID << id;
pusherInstance.sendToDevice(stringID.str(), message); pusherInstance.sendMessage(stringID.str(), message);
} }
@ -257,14 +239,6 @@ int main(int argc, char **argv)
} }
// errors thrown by pushhandler
catch(PusherError& e)
{
cout << "Error: " << e.what() << endl;
return 1;
}
// other errors // other errors
catch(exception& e) catch(exception& e)
{ {

188
src/pushhandler.cpp
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@ -1,188 +0,0 @@
#include "pushhandler.h"
#include "json/json.hpp"
#include "curlhandler.h"
#include <sstream>
#include <algorithm>
using namespace std;
using json = nlohmann::json;
// constructor only username
PushHandler::PushHandler(string username)
{
this->username = username;
}
// constructor with appToken
PushHandler::PushHandler(string username, string appToken)
{
this->username = username;
this->appToken = appToken;
}
// login
string PushHandler::login(string password)
{
// build request data
stringstream requestData;
requestData << "apiToken=" << API_TOKEN;
requestData << "&username=" << this->username;
requestData << "&password=" << password;
// network request
string readBuffer;
readBuffer = CurlHandler::request(requestData.str(), URL_PN_LOGIN);
// json parsing
stringstream jsonData;
jsonData << readBuffer;
json j;
j << jsonData;
if(j["status"].get<string>() != "ok")
{
throw PusherError("wrong credentials");
}
this->appToken = j["appToken"].get<string>();
return this->appToken;
}
// get list of devices
vector<PushHandler::Device> PushHandler::getDevices()
{
// build request data
stringstream requestData;
requestData << "apiToken=" << API_TOKEN;
requestData << "&appToken=" << this->appToken;
// network request
string readBuffer;
readBuffer =CurlHandler::request(requestData.str(), URL_PN_GET_DEVICES);
// json parsing
stringstream jsonData;
jsonData << readBuffer;
json j;
j << jsonData;
// handle the codes
switch(j["code"].get<int>())
{
case 1: throw PusherError("Invalid API Token");
break;
case 2: throw PusherError("App Token missing");
break;
case 3: throw PusherError("App Token invalid");
}
vector<Device> buffer;
for(auto element : j["devices"])
{
Device buf;
buf.title = element["title"].get<string>();
buf.id = to_string(element["id"].get<int>());
buf.model = element["model"].get<string>();
buffer.push_back(buf);
}
return buffer;
}
// verify token
bool PushHandler::verifyToken()
{
// build request data
stringstream requestData;
requestData << "apiToken=" << API_TOKEN;
requestData << "&username=" << this->username;
requestData << "&appToken=" << this->appToken;
// network request
string readBuffer;
readBuffer = CurlHandler::request(requestData.str(), URL_PN_CHECK_TOKEN);
// json parser
stringstream jsonData;
jsonData << readBuffer;
json j;
j << jsonData;
switch(j["code"].get<int>())
{
case 0: return true;
break;
case 1: throw PusherError("Invalid API-Token");
break;
case 2: return false;
default: throw PusherError("Invalid server response");
}
}
// send to device
void PushHandler::sendToDevice(string id, string message)
{
// analyze content-type
// ......
// actual sending
// build request data
stringstream requestData;
requestData << "apiToken=" << API_TOKEN;
requestData << "&appToken=" << this->appToken;
requestData << "&app=" << APP_PACKAGE;
requestData << "&deviceID=" << id;
requestData << "&type=" << "MESSAGE";
requestData << "&content=" << CurlHandler::urlDecode(message);
// network request
string readBuffer;
readBuffer = CurlHandler::request(requestData.str(), URL_PN_SEND_TO_DEVICE);
// json parsing
stringstream jsonData;
jsonData << readBuffer;
json j;
j << jsonData;
switch(j["code"].get<int>())
{
case 0: //return 0;
break;
case 1: throw PusherError("Invalid API Token");
break;
case 2: throw PusherError("App Token missing");
break;
case 3: throw PusherError("App Token invalid");
break;
case 4: throw PusherError("Package Name missing");
break;
case 5: throw PusherError("Package Name invalid");
break;
case 6: throw PusherError("Package Name is not linked with the provided API Token");
break;
case 7: throw PusherError("Device ID missing");
break;
case 8: throw PusherError("Device ID invalid");
break;
case 9: throw PusherError("Type missing or invalid");
break;
default: throw PusherError("Invalid server response");
}
}

64
src/pushhandler.h
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@ -1,64 +0,0 @@
#ifndef H_PUSHHANDLER
#define H_PUSHHANDLER
#include <string>
#include <vector>
// Change this line if you are using your own API-Token
const char API_TOKEN[] = {
0x38, 0x45, 0x37, 0x44, 0x38, 0x42, 0x32,
0x44, 0x44, 0x45, 0x37, 0x44, 0x44, 0x45,
0x37, 0x44, 0x36, 0x43, 0x33, 0x56, 0x35,
0x32, 0x56, 0x42, 0x35, 0x32, 0x56, 0x42,
0x44, 0x34, 0x44, 0x44, 0x45, 0x54, 0x42,
0x54, 0x54, 0x54, 0x4b, 0x46, 0x46, 0x42 };
#define APP_PACKAGE "com.hackherz.pusher"
#define URL_PN_LOGIN "http://a.pushnotifier.de/1/login/"
#define URL_PN_CHECK_TOKEN "http://a.pushnotifier.de/1/checkToken/"
#define URL_PN_GET_DEVICES "http://a.pushnotifier.de/1/getDevices/"
#define URL_PN_SEND_TO_DEVICE "http://a.pushnotifier.de/1/sendToDevice/"
class PushHandler
{
public:
PushHandler(std::string username);
PushHandler(std::string username, std::string appToken);
typedef struct
{
std::string title;
std::string id;
std::string model;
} Device;
std::string login(std::string password);
std::vector<Device> getDevices();
void sendToDevice(std::string deviceID, std::string message);
bool verifyToken();
private:
std::string username;
std::string appToken;
};
// class for exceptions
class PusherError
{
public:
PusherError(std::string content) { this->content = content; }
std::string what() { return this->content; }
private:
std::string content;
};
#endif

1
src/pushnotifier-sdk-cpp Submodule

@ -0,0 +1 @@
Subproject commit 15032038ebc9df984f650181c176b1694aa3f33e

1
src/simpleini Submodule

@ -0,0 +1 @@
Subproject commit 2af65fcc504f8242752755e836709762ef7ce062

539
src/simpleini/ConvertUTF.c
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@ -1,539 +0,0 @@
/*
* Copyright 2001-2004 Unicode, Inc.
*
* Disclaimer
*
* This source code is provided as is by Unicode, Inc. No claims are
* made as to fitness for any particular purpose. No warranties of any
* kind are expressed or implied. The recipient agrees to determine
* applicability of information provided. If this file has been
* purchased on magnetic or optical media from Unicode, Inc., the
* sole remedy for any claim will be exchange of defective media
* within 90 days of receipt.
*
* Limitations on Rights to Redistribute This Code
*
* Unicode, Inc. hereby grants the right to freely use the information
* supplied in this file in the creation of products supporting the
* Unicode Standard, and to make copies of this file in any form
* for internal or external distribution as long as this notice
* remains attached.
*/
/* ---------------------------------------------------------------------
Conversions between UTF32, UTF-16, and UTF-8. Source code file.
Author: Mark E. Davis, 1994.
Rev History: Rick McGowan, fixes & updates May 2001.
Sept 2001: fixed const & error conditions per
mods suggested by S. Parent & A. Lillich.
June 2002: Tim Dodd added detection and handling of incomplete
source sequences, enhanced error detection, added casts
to eliminate compiler warnings.
July 2003: slight mods to back out aggressive FFFE detection.
Jan 2004: updated switches in from-UTF8 conversions.
Oct 2004: updated to use UNI_MAX_LEGAL_UTF32 in UTF-32 conversions.
See the header file "ConvertUTF.h" for complete documentation.
------------------------------------------------------------------------ */
#include "ConvertUTF.h"
#ifdef CVTUTF_DEBUG
#include <stdio.h>
#endif
static const int halfShift = 10; /* used for shifting by 10 bits */
static const UTF32 halfBase = 0x0010000UL;
static const UTF32 halfMask = 0x3FFUL;
#define UNI_SUR_HIGH_START (UTF32)0xD800
#define UNI_SUR_HIGH_END (UTF32)0xDBFF
#define UNI_SUR_LOW_START (UTF32)0xDC00
#define UNI_SUR_LOW_END (UTF32)0xDFFF
#define false 0
#define true 1
/* --------------------------------------------------------------------- */
ConversionResult ConvertUTF32toUTF16 (
const UTF32** sourceStart, const UTF32* sourceEnd,
UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) {
ConversionResult result = conversionOK;
const UTF32* source = *sourceStart;
UTF16* target = *targetStart;
while (source < sourceEnd) {
UTF32 ch;
if (target >= targetEnd) {
result = targetExhausted; break;
}
ch = *source++;
if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
/* UTF-16 surrogate values are illegal in UTF-32; 0xffff or 0xfffe are both reserved values */
if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
if (flags == strictConversion) {
--source; /* return to the illegal value itself */
result = sourceIllegal;
break;
} else {
*target++ = UNI_REPLACEMENT_CHAR;
}
} else {
*target++ = (UTF16)ch; /* normal case */
}
} else if (ch > UNI_MAX_LEGAL_UTF32) {
if (flags == strictConversion) {
result = sourceIllegal;
} else {
*target++ = UNI_REPLACEMENT_CHAR;
}
} else {
/* target is a character in range 0xFFFF - 0x10FFFF. */
if (target + 1 >= targetEnd) {
--source; /* Back up source pointer! */
result = targetExhausted; break;
}
ch -= halfBase;
*target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START);
*target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START);
}
}
*sourceStart = source;
*targetStart = target;
return result;
}
/* --------------------------------------------------------------------- */
ConversionResult ConvertUTF16toUTF32 (
const UTF16** sourceStart, const UTF16* sourceEnd,
UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) {
ConversionResult result = conversionOK;
const UTF16* source = *sourceStart;
UTF32* target = *targetStart;
UTF32 ch, ch2;
while (source < sourceEnd) {
const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */
ch = *source++;
/* If we have a surrogate pair, convert to UTF32 first. */
if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) {
/* If the 16 bits following the high surrogate are in the source buffer... */
if (source < sourceEnd) {
ch2 = *source;
/* If it's a low surrogate, convert to UTF32. */
if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) {
ch = ((ch - UNI_SUR_HIGH_START) << halfShift)
+ (ch2 - UNI_SUR_LOW_START) + halfBase;
++source;
} else if (flags == strictConversion) { /* it's an unpaired high surrogate */
--source; /* return to the illegal value itself */
result = sourceIllegal;
break;
}
} else { /* We don't have the 16 bits following the high surrogate. */
--source; /* return to the high surrogate */
result = sourceExhausted;
break;
}
} else if (flags == strictConversion) {
/* UTF-16 surrogate values are illegal in UTF-32 */
if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) {
--source; /* return to the illegal value itself */
result = sourceIllegal;
break;
}
}
if (target >= targetEnd) {
source = oldSource; /* Back up source pointer! */
result = targetExhausted; break;
}
*target++ = ch;
}
*sourceStart = source;
*targetStart = target;
#ifdef CVTUTF_DEBUG
if (result == sourceIllegal) {
fprintf(stderr, "ConvertUTF16toUTF32 illegal seq 0x%04x,%04x\n", ch, ch2);
fflush(stderr);
}
#endif
return result;
}
/* --------------------------------------------------------------------- */
/*
* Index into the table below with the first byte of a UTF-8 sequence to
* get the number of trailing bytes that are supposed to follow it.
* Note that *legal* UTF-8 values can't have 4 or 5-bytes. The table is
* left as-is for anyone who may want to do such conversion, which was
* allowed in earlier algorithms.
*/
static const char trailingBytesForUTF8[256] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
};
/*
* Magic values subtracted from a buffer value during UTF8 conversion.
* This table contains as many values as there might be trailing bytes
* in a UTF-8 sequence.
*/
static const UTF32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL,
0x03C82080UL, 0xFA082080UL, 0x82082080UL };
/*
* Once the bits are split out into bytes of UTF-8, this is a mask OR-ed
* into the first byte, depending on how many bytes follow. There are
* as many entries in this table as there are UTF-8 sequence types.
* (I.e., one byte sequence, two byte... etc.). Remember that sequencs
* for *legal* UTF-8 will be 4 or fewer bytes total.
*/
static const UTF8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
/* --------------------------------------------------------------------- */
/* The interface converts a whole buffer to avoid function-call overhead.
* Constants have been gathered. Loops & conditionals have been removed as
* much as possible for efficiency, in favor of drop-through switches.
* (See "Note A" at the bottom of the file for equivalent code.)
* If your compiler supports it, the "isLegalUTF8" call can be turned
* into an inline function.
*/
/* --------------------------------------------------------------------- */
ConversionResult ConvertUTF16toUTF8 (
const UTF16** sourceStart, const UTF16* sourceEnd,
UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) {
ConversionResult result = conversionOK;
const UTF16* source = *sourceStart;
UTF8* target = *targetStart;
while (source < sourceEnd) {
UTF32 ch;
unsigned short bytesToWrite = 0;
const UTF32 byteMask = 0xBF;
const UTF32 byteMark = 0x80;
const UTF16* oldSource = source; /* In case we have to back up because of target overflow. */
ch = *source++;
/* If we have a surrogate pair, convert to UTF32 first. */
if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) {
/* If the 16 bits following the high surrogate are in the source buffer... */
if (source < sourceEnd) {
UTF32 ch2 = *source;
/* If it's a low surrogate, convert to UTF32. */
if (ch2 >= UNI_SUR_LOW_START && ch2 <= UNI_SUR_LOW_END) {
ch = ((ch - UNI_SUR_HIGH_START) << halfShift)
+ (ch2 - UNI_SUR_LOW_START) + halfBase;
++source;
} else if (flags == strictConversion) { /* it's an unpaired high surrogate */
--source; /* return to the illegal value itself */
result = sourceIllegal;
break;
}
} else { /* We don't have the 16 bits following the high surrogate. */
--source; /* return to the high surrogate */
result = sourceExhausted;
break;
}
} else if (flags == strictConversion) {
/* UTF-16 surrogate values are illegal in UTF-32 */
if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) {
--source; /* return to the illegal value itself */
result = sourceIllegal;
break;
}
}
/* Figure out how many bytes the result will require */
if (ch < (UTF32)0x80) { bytesToWrite = 1;
} else if (ch < (UTF32)0x800) { bytesToWrite = 2;
} else if (ch < (UTF32)0x10000) { bytesToWrite = 3;
} else if (ch < (UTF32)0x110000) { bytesToWrite = 4;
} else { bytesToWrite = 3;
ch = UNI_REPLACEMENT_CHAR;
}
target += bytesToWrite;
if (target > targetEnd) {
source = oldSource; /* Back up source pointer! */
target -= bytesToWrite; result = targetExhausted; break;
}
switch (bytesToWrite) { /* note: everything falls through. */
case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 1: *--target = (UTF8)(ch | firstByteMark[bytesToWrite]);
}
target += bytesToWrite;
}
*sourceStart = source;
*targetStart = target;
return result;
}
/* --------------------------------------------------------------------- */
/*
* Utility routine to tell whether a sequence of bytes is legal UTF-8.
* This must be called with the length pre-determined by the first byte.
* If not calling this from ConvertUTF8to*, then the length can be set by:
* length = trailingBytesForUTF8[*source]+1;
* and the sequence is illegal right away if there aren't that many bytes
* available.
* If presented with a length > 4, this returns false. The Unicode
* definition of UTF-8 goes up to 4-byte sequences.
*/
static Boolean isLegalUTF8(const UTF8 *source, int length) {
UTF8 a;
const UTF8 *srcptr = source+length;
switch (length) {
default: return false;
/* Everything else falls through when "true"... */
case 4: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
case 3: if ((a = (*--srcptr)) < 0x80 || a > 0xBF) return false;
case 2: if ((a = (*--srcptr)) > 0xBF) return false;
switch (*source) {
/* no fall-through in this inner switch */
case 0xE0: if (a < 0xA0) return false; break;
case 0xED: if (a > 0x9F) return false; break;
case 0xF0: if (a < 0x90) return false; break;
case 0xF4: if (a > 0x8F) return false; break;
default: if (a < 0x80) return false;
}
case 1: if (*source >= 0x80 && *source < 0xC2) return false;
}
if (*source > 0xF4) return false;
return true;
}
/* --------------------------------------------------------------------- */
/*
* Exported function to return whether a UTF-8 sequence is legal or not.
* This is not used here; it's just exported.
*/
Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd) {
int length = trailingBytesForUTF8[*source]+1;
if (source+length > sourceEnd) {
return false;
}
return isLegalUTF8(source, length);
}
/* --------------------------------------------------------------------- */
ConversionResult ConvertUTF8toUTF16 (
const UTF8** sourceStart, const UTF8* sourceEnd,
UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags) {
ConversionResult result = conversionOK;
const UTF8* source = *sourceStart;
UTF16* target = *targetStart;
while (source < sourceEnd) {
UTF32 ch = 0;
unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
if (source + extraBytesToRead >= sourceEnd) {
result = sourceExhausted; break;
}
/* Do this check whether lenient or strict */
if (! isLegalUTF8(source, extraBytesToRead+1)) {
result = sourceIllegal;
break;
}
/*
* The cases all fall through. See "Note A" below.
*/
switch (extraBytesToRead) {
case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
case 3: ch += *source++; ch <<= 6;
case 2: ch += *source++; ch <<= 6;
case 1: ch += *source++; ch <<= 6;
case 0: ch += *source++;
}
ch -= offsetsFromUTF8[extraBytesToRead];
if (target >= targetEnd) {
source -= (extraBytesToRead+1); /* Back up source pointer! */
result = targetExhausted; break;
}
if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
/* UTF-16 surrogate values are illegal in UTF-32 */
if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
if (flags == strictConversion) {
source -= (extraBytesToRead+1); /* return to the illegal value itself */
result = sourceIllegal;
break;
} else {
*target++ = UNI_REPLACEMENT_CHAR;
}
} else {
*target++ = (UTF16)ch; /* normal case */
}
} else if (ch > UNI_MAX_UTF16) {
if (flags == strictConversion) {
result = sourceIllegal;
source -= (extraBytesToRead+1); /* return to the start */
break; /* Bail out; shouldn't continue */
} else {
*target++ = UNI_REPLACEMENT_CHAR;
}
} else {
/* target is a character in range 0xFFFF - 0x10FFFF. */
if (target + 1 >= targetEnd) {
source -= (extraBytesToRead+1); /* Back up source pointer! */
result = targetExhausted; break;
}
ch -= halfBase;
*target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START);
*target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START);
}
}
*sourceStart = source;
*targetStart = target;
return result;
}
/* --------------------------------------------------------------------- */
ConversionResult ConvertUTF32toUTF8 (
const UTF32** sourceStart, const UTF32* sourceEnd,
UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags) {
ConversionResult result = conversionOK;
const UTF32* source = *sourceStart;
UTF8* target = *targetStart;
while (source < sourceEnd) {
UTF32 ch;
unsigned short bytesToWrite = 0;
const UTF32 byteMask = 0xBF;
const UTF32 byteMark = 0x80;
ch = *source++;
if (flags == strictConversion ) {
/* UTF-16 surrogate values are illegal in UTF-32 */
if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
--source; /* return to the illegal value itself */
result = sourceIllegal;
break;
}
}
/*
* Figure out how many bytes the result will require. Turn any
* illegally large UTF32 things (> Plane 17) into replacement chars.
*/
if (ch < (UTF32)0x80) { bytesToWrite = 1;
} else if (ch < (UTF32)0x800) { bytesToWrite = 2;
} else if (ch < (UTF32)0x10000) { bytesToWrite = 3;
} else if (ch <= UNI_MAX_LEGAL_UTF32) { bytesToWrite = 4;
} else { bytesToWrite = 3;
ch = UNI_REPLACEMENT_CHAR;
result = sourceIllegal;
}
target += bytesToWrite;
if (target > targetEnd) {
--source; /* Back up source pointer! */
target -= bytesToWrite; result = targetExhausted; break;
}
switch (bytesToWrite) { /* note: everything falls through. */
case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
case 1: *--target = (UTF8) (ch | firstByteMark[bytesToWrite]);
}
target += bytesToWrite;
}
*sourceStart = source;
*targetStart = target;
return result;
}
/* --------------------------------------------------------------------- */
ConversionResult ConvertUTF8toUTF32 (
const UTF8** sourceStart, const UTF8* sourceEnd,
UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags) {
ConversionResult result = conversionOK;
const UTF8* source = *sourceStart;
UTF32* target = *targetStart;
while (source < sourceEnd) {
UTF32 ch = 0;
unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
if (source + extraBytesToRead >= sourceEnd) {
result = sourceExhausted; break;
}
/* Do this check whether lenient or strict */
if (! isLegalUTF8(source, extraBytesToRead+1)) {
result = sourceIllegal;
break;
}
/*
* The cases all fall through. See "Note A" below.
*/
switch (extraBytesToRead) {
case 5: ch += *source++; ch <<= 6;
case 4: ch += *source++; ch <<= 6;
case 3: ch += *source++; ch <<= 6;
case 2: ch += *source++; ch <<= 6;
case 1: ch += *source++; ch <<= 6;
case 0: ch += *source++;
}
ch -= offsetsFromUTF8[extraBytesToRead];
if (target >= targetEnd) {
source -= (extraBytesToRead+1); /* Back up the source pointer! */
result = targetExhausted; break;
}
if (ch <= UNI_MAX_LEGAL_UTF32) {
/*
* UTF-16 surrogate values are illegal in UTF-32, and anything
* over Plane 17 (> 0x10FFFF) is illegal.
*/
if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
if (flags == strictConversion) {
source -= (extraBytesToRead+1); /* return to the illegal value itself */
result = sourceIllegal;
break;
} else {
*target++ = UNI_REPLACEMENT_CHAR;
}
} else {
*target++ = ch;
}
} else { /* i.e., ch > UNI_MAX_LEGAL_UTF32 */
result = sourceIllegal;
*target++ = UNI_REPLACEMENT_CHAR;
}
}
*sourceStart = source;
*targetStart = target;
return result;
}
/* ---------------------------------------------------------------------
Note A.
The fall-through switches in UTF-8 reading code save a
temp variable, some decrements & conditionals. The switches
are equivalent to the following loop:
{
int tmpBytesToRead = extraBytesToRead+1;
do {
ch += *source++;
--tmpBytesToRead;
if (tmpBytesToRead) ch <<= 6;
} while (tmpBytesToRead > 0);
}
In UTF-8 writing code, the switches on "bytesToWrite" are
similarly unrolled loops.
--------------------------------------------------------------------- */

149
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@ -1,149 +0,0 @@
/*
* Copyright 2001-2004 Unicode, Inc.
*
* Disclaimer
*
* This source code is provided as is by Unicode, Inc. No claims are
* made as to fitness for any particular purpose. No warranties of any
* kind are expressed or implied. The recipient agrees to determine
* applicability of information provided. If this file has been
* purchased on magnetic or optical media from Unicode, Inc., the
* sole remedy for any claim will be exchange of defective media
* within 90 days of receipt.
*
* Limitations on Rights to Redistribute This Code
*
* Unicode, Inc. hereby grants the right to freely use the information
* supplied in this file in the creation of products supporting the
* Unicode Standard, and to make copies of this file in any form
* for internal or external distribution as long as this notice
* remains attached.
*/
/* ---------------------------------------------------------------------
Conversions between UTF32, UTF-16, and UTF-8. Header file.
Several funtions are included here, forming a complete set of
conversions between the three formats. UTF-7 is not included
here, but is handled in a separate source file.
Each of these routines takes pointers to input buffers and output
buffers. The input buffers are const.
Each routine converts the text between *sourceStart and sourceEnd,
putting the result into the buffer between *targetStart and
targetEnd. Note: the end pointers are *after* the last item: e.g.
*(sourceEnd - 1) is the last item.
The return result indicates whether the conversion was successful,
and if not, whether the problem was in the source or target buffers.
(Only the first encountered problem is indicated.)
After the conversion, *sourceStart and *targetStart are both
updated to point to the end of last text successfully converted in
the respective buffers.
Input parameters:
sourceStart - pointer to a pointer to the source buffer.
The contents of this are modified on return so that
it points at the next thing to be converted.
targetStart - similarly, pointer to pointer to the target buffer.
sourceEnd, targetEnd - respectively pointers to the ends of the
two buffers, for overflow checking only.
These conversion functions take a ConversionFlags argument. When this
flag is set to strict, both irregular sequences and isolated surrogates
will cause an error. When the flag is set to lenient, both irregular
sequences and isolated surrogates are converted.
Whether the flag is strict or lenient, all illegal sequences will cause
an error return. This includes sequences such as: <F4 90 80 80>, <C0 80>,
or <A0> in UTF-8, and values above 0x10FFFF in UTF-32. Conformant code
must check for illegal sequences.
When the flag is set to lenient, characters over 0x10FFFF are converted
to the replacement character; otherwise (when the flag is set to strict)
they constitute an error.
Output parameters:
The value "sourceIllegal" is returned from some routines if the input
sequence is malformed. When "sourceIllegal" is returned, the source
value will point to the illegal value that caused the problem. E.g.,
in UTF-8 when a sequence is malformed, it points to the start of the
malformed sequence.
Author: Mark E. Davis, 1994.
Rev History: Rick McGowan, fixes & updates May 2001.
Fixes & updates, Sept 2001.
------------------------------------------------------------------------ */
/* ---------------------------------------------------------------------
The following 4 definitions are compiler-specific.
The C standard does not guarantee that wchar_t has at least
16 bits, so wchar_t is no less portable than unsigned short!
All should be unsigned values to avoid sign extension during
bit mask & shift operations.
------------------------------------------------------------------------ */
typedef unsigned int UTF32; /* at least 32 bits */
typedef unsigned short UTF16; /* at least 16 bits */
typedef unsigned char UTF8; /* typically 8 bits */
typedef unsigned char Boolean; /* 0 or 1 */
/* Some fundamental constants */
#define UNI_REPLACEMENT_CHAR (UTF32)0x0000FFFD
#define UNI_MAX_BMP (UTF32)0x0000FFFF
#define UNI_MAX_UTF16 (UTF32)0x0010FFFF
#define UNI_MAX_UTF32 (UTF32)0x7FFFFFFF
#define UNI_MAX_LEGAL_UTF32 (UTF32)0x0010FFFF
typedef enum {
conversionOK, /* conversion successful */
sourceExhausted, /* partial character in source, but hit end */
targetExhausted, /* insuff. room in target for conversion */
sourceIllegal /* source sequence is illegal/malformed */
} ConversionResult;
typedef enum {
strictConversion = 0,
lenientConversion
} ConversionFlags;
/* This is for C++ and does no harm in C */
#ifdef __cplusplus
extern "C" {
#endif
ConversionResult ConvertUTF8toUTF16 (
const UTF8** sourceStart, const UTF8* sourceEnd,
UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags);
ConversionResult ConvertUTF16toUTF8 (
const UTF16** sourceStart, const UTF16* sourceEnd,
UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags);
ConversionResult ConvertUTF8toUTF32 (
const UTF8** sourceStart, const UTF8* sourceEnd,
UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags);
ConversionResult ConvertUTF32toUTF8 (
const UTF32** sourceStart, const UTF32* sourceEnd,
UTF8** targetStart, UTF8* targetEnd, ConversionFlags flags);
ConversionResult ConvertUTF16toUTF32 (
const UTF16** sourceStart, const UTF16* sourceEnd,
UTF32** targetStart, UTF32* targetEnd, ConversionFlags flags);
ConversionResult ConvertUTF32toUTF16 (
const UTF32** sourceStart, const UTF32* sourceEnd,
UTF16** targetStart, UTF16* targetEnd, ConversionFlags flags);
Boolean isLegalUTF8Sequence(const UTF8 *source, const UTF8 *sourceEnd);
#ifdef __cplusplus
}
#endif
/* --------------------------------------------------------------------- */

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