static regex_t *SetRegexpFromAny(Jim_Interp *interp, Jim_Obj *objPtr, unsigned flags)
{
regex_t *compre;
const char *pattern;
int ret;
/* Check if the object is already an uptodate variable */
if (objPtr->typePtr == ®expObjType &&
objPtr->internalRep.regexpValue.compre && objPtr->internalRep.regexpValue.flags == flags) {
/* nothing to do */
return objPtr->internalRep.regexpValue.compre;
}
/* Not a regexp or the flags do not match */
/* Get the string representation */
pattern = Jim_String(objPtr);
compre = Jim_Alloc(sizeof(regex_t));
if ((ret = regcomp(compre, pattern, REG_EXTENDED | flags)) != 0) {
char buf[100];
regerror(ret, compre, buf, sizeof(buf));
Jim_SetResultFormatted(interp, "couldn't compile regular expression pattern: %s", buf);
regfree(compre);
Jim_Free(compre);
return NULL;
}
Jim_FreeIntRep(interp, objPtr);
objPtr->typePtr = ®expObjType;
objPtr->internalRep.regexpValue.flags = flags;
objPtr->internalRep.regexpValue.compre = compre;
return compre;
}
int Jim_InteractivePrompt(Jim_Interp *interp)
{
int retcode = JIM_OK;
char *history_file = NULL;
#ifdef USE_LINENOISE
const char *home;
home = getenv("HOME");
if (home && isatty(STDIN_FILENO)) {
int history_len = strlen(home) + sizeof("/.jim_history");
history_file = Jim_Alloc(history_len);
snprintf(history_file, history_len, "%s/.jim_history", home);
Jim_HistoryLoad(history_file);
}
#endif
printf("Welcome to Jim version %d.%d" JIM_NL,
JIM_VERSION / 100, JIM_VERSION % 100);
Jim_SetVariableStrWithStr(interp, JIM_INTERACTIVE, "1");
while (1) {
Jim_Obj *scriptObjPtr;
const char *result;
int reslen;
char prompt[20];
const char *str;
if (retcode != 0) {
const char *retcodestr = Jim_ReturnCode(retcode);
if (*retcodestr == '?') {
snprintf(prompt, sizeof(prompt) - 3, "[%d] ", retcode);
}
else {
snprintf(prompt, sizeof(prompt) - 3, "[%s] ", retcodestr);
}
}
else {
prompt[0] = '\0';
}
strcat(prompt, ". ");
scriptObjPtr = Jim_NewStringObj(interp, "", 0);
Jim_IncrRefCount(scriptObjPtr);
while (1) {
char state;
int len;
char *line;
line = Jim_HistoryGetline(prompt);
if (line == NULL) {
if (errno == EINTR) {
continue;
}
Jim_DecrRefCount(interp, scriptObjPtr);
retcode = JIM_OK;
goto out;
}
if (Jim_Length(scriptObjPtr) != 0) {
Jim_AppendString(interp, scriptObjPtr, "\n", 1);
}
Jim_AppendString(interp, scriptObjPtr, line, -1);
free(line);
str = Jim_GetString(scriptObjPtr, &len);
if (len == 0) {
continue;
}
if (Jim_ScriptIsComplete(str, len, &state))
break;
snprintf(prompt, sizeof(prompt), "%c> ", state);
}
#ifdef USE_LINENOISE
if (strcmp(str, "h") == 0) {
/* built-in history command */
Jim_HistoryShow();
Jim_DecrRefCount(interp, scriptObjPtr);
continue;
}
Jim_HistoryAdd(Jim_String(scriptObjPtr));
if (history_file) {
Jim_HistorySave(history_file);
}
#endif
retcode = Jim_EvalObj(interp, scriptObjPtr);
Jim_DecrRefCount(interp, scriptObjPtr);
if (retcode == JIM_EXIT) {
retcode = JIM_EXIT;
break;
}
if (retcode == JIM_ERR) {
Jim_MakeErrorMessage(interp);
}
result = Jim_GetString(Jim_GetResult(interp), &reslen);
if (reslen) {
printf("%s\n", result);
}
}
out:
Jim_Free(history_file);
return retcode;
}
/*
*----------------------------------------------------------------------
*
* JimCreatePipeline --
*
* Given an argc/argv array, instantiate a pipeline of processes
* as described by the argv.
*
* Results:
* The return value is a count of the number of new processes
* created, or -1 if an error occurred while creating the pipeline.
* *pidArrayPtr is filled in with the address of a dynamically
* allocated array giving the ids of all of the processes. It
* is up to the caller to free this array when it isn't needed
* anymore. If inPipePtr is non-NULL, *inPipePtr is filled in
* with the file id for the input pipe for the pipeline (if any):
* the caller must eventually close this file. If outPipePtr
* isn't NULL, then *outPipePtr is filled in with the file id
* for the output pipe from the pipeline: the caller must close
* this file. If errFilePtr isn't NULL, then *errFilePtr is filled
* with a file id that may be used to read error output after the
* pipeline completes.
*
* Side effects:
* Processes and pipes are created.
*
*----------------------------------------------------------------------
*/
static int
JimCreatePipeline(Jim_Interp *interp, int argc, Jim_Obj *const *argv, pidtype **pidArrayPtr,
fdtype *inPipePtr, fdtype *outPipePtr, fdtype *errFilePtr)
{
pidtype *pidPtr = NULL; /* Points to malloc-ed array holding all
* the pids of child processes. */
int numPids = 0; /* Actual number of processes that exist
* at *pidPtr right now. */
int cmdCount; /* Count of number of distinct commands
* found in argc/argv. */
const char *input = NULL; /* Describes input for pipeline, depending
* on "inputFile". NULL means take input
* from stdin/pipe. */
int input_len = 0; /* Length of input, if relevant */
#define FILE_NAME 0 /* input/output: filename */
#define FILE_APPEND 1 /* output only: filename, append */
#define FILE_HANDLE 2 /* input/output: filehandle */
#define FILE_TEXT 3 /* input only: input is actual text */
int inputFile = FILE_NAME; /* 1 means input is name of input file.
* 2 means input is filehandle name.
* 0 means input holds actual
* text to be input to command. */
int outputFile = FILE_NAME; /* 0 means output is the name of output file.
* 1 means output is the name of output file, and append.
* 2 means output is filehandle name.
* All this is ignored if output is NULL
*/
int errorFile = FILE_NAME; /* 0 means error is the name of error file.
* 1 means error is the name of error file, and append.
* 2 means error is filehandle name.
* All this is ignored if error is NULL
*/
const char *output = NULL; /* Holds name of output file to pipe to,
* or NULL if output goes to stdout/pipe. */
const char *error = NULL; /* Holds name of stderr file to pipe to,
* or NULL if stderr goes to stderr/pipe. */
fdtype inputId = JIM_BAD_FD;
/* Readable file id input to current command in
* pipeline (could be file or pipe). JIM_BAD_FD
* means use stdin. */
fdtype outputId = JIM_BAD_FD;
/* Writable file id for output from current
* command in pipeline (could be file or pipe).
* JIM_BAD_FD means use stdout. */
fdtype errorId = JIM_BAD_FD;
/* Writable file id for all standard error
* output from all commands in pipeline. JIM_BAD_FD
* means use stderr. */
fdtype lastOutputId = JIM_BAD_FD;
/* Write file id for output from last command
* in pipeline (could be file or pipe).
* -1 means use stdout. */
fdtype pipeIds[2]; /* File ids for pipe that's being created. */
int firstArg, lastArg; /* Indexes of first and last arguments in
* current command. */
int lastBar;
int i;
pidtype pid;
char **save_environ;
struct WaitInfoTable *table = Jim_CmdPrivData(interp);
/* Holds the args which will be used to exec */
char **arg_array = Jim_Alloc(sizeof(*arg_array) * (argc + 1));
int arg_count = 0;
JimReapDetachedPids(table);
if (inPipePtr != NULL) {
*inPipePtr = JIM_BAD_FD;
}
if (outPipePtr != NULL) {
*outPipePtr = JIM_BAD_FD;
}
if (errFilePtr != NULL) {
*errFilePtr = JIM_BAD_FD;
}
pipeIds[0] = pipeIds[1] = JIM_BAD_FD;
/*
* First, scan through all the arguments to figure out the structure
* of the pipeline. Count the number of distinct processes (it's the
* number of "|" arguments). If there are "<", "<<", or ">" arguments
* then make note of input and output redirection and remove these
* arguments and the arguments that follow them.
*/
cmdCount = 1;
lastBar = -1;
for (i = 0; i < argc; i++) {
const char *arg = Jim_String(argv[i]);
if (arg[0] == '<') {
inputFile = FILE_NAME;
input = arg + 1;
if (*input == '<') {
inputFile = FILE_TEXT;
input_len = Jim_Length(argv[i]) - 2;
input++;
}
else if (*input == '@') {
inputFile = FILE_HANDLE;
input++;
}
if (!*input && ++i < argc) {
input = Jim_GetString(argv[i], &input_len);
}
}
else if (arg[0] == '>') {
int dup_error = 0;
outputFile = FILE_NAME;
output = arg + 1;
if (*output == '>') {
outputFile = FILE_APPEND;
output++;
}
if (*output == '&') {
/* Redirect stderr too */
output++;
dup_error = 1;
}
if (*output == '@') {
outputFile = FILE_HANDLE;
output++;
}
if (!*output && ++i < argc) {
output = Jim_String(argv[i]);
}
if (dup_error) {
errorFile = outputFile;
error = output;
}
}
else if (arg[0] == '2' && arg[1] == '>') {
error = arg + 2;
errorFile = FILE_NAME;
if (*error == '@') {
errorFile = FILE_HANDLE;
error++;
}
else if (*error == '>') {
errorFile = FILE_APPEND;
error++;
}
if (!*error && ++i < argc) {
error = Jim_String(argv[i]);
}
}
else {
if (strcmp(arg, "|") == 0 || strcmp(arg, "|&") == 0) {
if (i == lastBar + 1 || i == argc - 1) {
Jim_SetResultString(interp, "illegal use of | or |& in command", -1);
goto badargs;
}
lastBar = i;
cmdCount++;
}
/* Either |, |& or a "normal" arg, so store it in the arg array */
arg_array[arg_count++] = (char *)arg;
continue;
}
if (i >= argc) {
Jim_SetResultFormatted(interp, "can't specify \"%s\" as last word in command", arg);
goto badargs;
}
}
if (arg_count == 0) {
Jim_SetResultString(interp, "didn't specify command to execute", -1);
badargs:
Jim_Free(arg_array);
return -1;
}
/* Must do this before vfork(), so do it now */
save_environ = JimSaveEnv(JimBuildEnv(interp));
/*
* Set up the redirected input source for the pipeline, if
* so requested.
*/
if (input != NULL) {
if (inputFile == FILE_TEXT) {
/*
* Immediate data in command. Create temporary file and
* put data into file.
*/
inputId = JimCreateTemp(interp, input, input_len);
if (inputId == JIM_BAD_FD) {
goto error;
}
}
else if (inputFile == FILE_HANDLE) {
/* Should be a file descriptor */
FILE *fh = JimGetAioFilehandle(interp, input);
if (fh == NULL) {
goto error;
}
inputId = JimDupFd(JimFileno(fh));
}
else {
/*
* File redirection. Just open the file.
*/
inputId = JimOpenForRead(input);
if (inputId == JIM_BAD_FD) {
Jim_SetResultFormatted(interp, "couldn't read file \"%s\": %s", input, JimStrError());
goto error;
}
}
}
else if (inPipePtr != NULL) {
if (JimPipe(pipeIds) != 0) {
Jim_SetResultErrno(interp, "couldn't create input pipe for command");
goto error;
}
inputId = pipeIds[0];
*inPipePtr = pipeIds[1];
pipeIds[0] = pipeIds[1] = JIM_BAD_FD;
}
/*
* Set up the redirected output sink for the pipeline from one
* of two places, if requested.
*/
if (output != NULL) {
if (outputFile == FILE_HANDLE) {
FILE *fh = JimGetAioFilehandle(interp, output);
if (fh == NULL) {
goto error;
}
fflush(fh);
lastOutputId = JimDupFd(JimFileno(fh));
}
else {
/*
* Output is to go to a file.
*/
lastOutputId = JimOpenForWrite(output, outputFile == FILE_APPEND);
if (lastOutputId == JIM_BAD_FD) {
Jim_SetResultFormatted(interp, "couldn't write file \"%s\": %s", output, JimStrError());
goto error;
}
}
}
else if (outPipePtr != NULL) {
/*
* Output is to go to a pipe.
*/
if (JimPipe(pipeIds) != 0) {
Jim_SetResultErrno(interp, "couldn't create output pipe");
goto error;
}
lastOutputId = pipeIds[1];
*outPipePtr = pipeIds[0];
pipeIds[0] = pipeIds[1] = JIM_BAD_FD;
}
/* If we are redirecting stderr with 2>filename or 2>@fileId, then we ignore errFilePtr */
if (error != NULL) {
if (errorFile == FILE_HANDLE) {
if (strcmp(error, "1") == 0) {
/* Special 2>@1 */
if (lastOutputId != JIM_BAD_FD) {
errorId = JimDupFd(lastOutputId);
}
else {
/* No redirection of stdout, so just use 2>@stdout */
error = "stdout";
}
}
if (errorId == JIM_BAD_FD) {
FILE *fh = JimGetAioFilehandle(interp, error);
if (fh == NULL) {
goto error;
}
fflush(fh);
errorId = JimDupFd(JimFileno(fh));
}
}
else {
/*
* Output is to go to a file.
*/
errorId = JimOpenForWrite(error, errorFile == FILE_APPEND);
if (errorId == JIM_BAD_FD) {
Jim_SetResultFormatted(interp, "couldn't write file \"%s\": %s", error, JimStrError());
goto error;
}
}
}
else if (errFilePtr != NULL) {
/*
* Set up the standard error output sink for the pipeline, if
* requested. Use a temporary file which is opened, then deleted.
* Could potentially just use pipe, but if it filled up it could
* cause the pipeline to deadlock: we'd be waiting for processes
* to complete before reading stderr, and processes couldn't complete
* because stderr was backed up.
*/
errorId = JimCreateTemp(interp, NULL, 0);
if (errorId == JIM_BAD_FD) {
goto error;
}
*errFilePtr = JimDupFd(errorId);
}
/*
* Scan through the argc array, forking off a process for each
* group of arguments between "|" arguments.
*/
pidPtr = Jim_Alloc(cmdCount * sizeof(*pidPtr));
for (i = 0; i < numPids; i++) {
pidPtr[i] = JIM_BAD_PID;
}
for (firstArg = 0; firstArg < arg_count; numPids++, firstArg = lastArg + 1) {
int pipe_dup_err = 0;
fdtype origErrorId = errorId;
for (lastArg = firstArg; lastArg < arg_count; lastArg++) {
if (arg_array[lastArg][0] == '|') {
if (arg_array[lastArg][1] == '&') {
pipe_dup_err = 1;
}
break;
}
}
/* Replace | with NULL for execv() */
arg_array[lastArg] = NULL;
if (lastArg == arg_count) {
outputId = lastOutputId;
}
else {
if (JimPipe(pipeIds) != 0) {
Jim_SetResultErrno(interp, "couldn't create pipe");
goto error;
}
outputId = pipeIds[1];
}
/* Now fork the child */
#ifdef __MINGW32__
pid = JimStartWinProcess(interp, &arg_array[firstArg], save_environ ? save_environ[0] : NULL, inputId, outputId, errorId);
if (pid == JIM_BAD_PID) {
Jim_SetResultFormatted(interp, "couldn't exec \"%s\"", arg_array[firstArg]);
goto error;
}
#else
/*
* Disable SIGPIPE signals: if they were allowed, this process
* might go away unexpectedly if children misbehave. This code
* can potentially interfere with other application code that
* expects to handle SIGPIPEs; what's really needed is an
* arbiter for signals to allow them to be "shared".
*/
if (table->info == NULL) {
(void)signal(SIGPIPE, SIG_IGN);
}
/* Need to do this befor vfork() */
if (pipe_dup_err) {
errorId = outputId;
}
/*
* Make a new process and enter it into the table if the fork
* is successful.
*/
pid = vfork();
if (pid < 0) {
Jim_SetResultErrno(interp, "couldn't fork child process");
goto error;
}
if (pid == 0) {
/* Child */
if (inputId != -1) dup2(inputId, 0);
if (outputId != -1) dup2(outputId, 1);
if (errorId != -1) dup2(errorId, 2);
for (i = 3; (i <= outputId) || (i <= inputId) || (i <= errorId); i++) {
close(i);
}
execvpe(arg_array[firstArg], &arg_array[firstArg], Jim_GetEnviron());
/* Need to prep an error message before vfork(), just in case */
fprintf(stderr, "couldn't exec \"%s\"", arg_array[firstArg]);
_exit(127);
}
#endif
/* parent */
/*
* Enlarge the wait table if there isn't enough space for a new
* entry.
*/
if (table->used == table->size) {
table->size += WAIT_TABLE_GROW_BY;
table->info = Jim_Realloc(table->info, table->size * sizeof(*table->info));
}
table->info[table->used].pid = pid;
table->info[table->used].flags = 0;
table->used++;
pidPtr[numPids] = pid;
/* Restore in case of pipe_dup_err */
errorId = origErrorId;
/*
* Close off our copies of file descriptors that were set up for
* this child, then set up the input for the next child.
*/
if (inputId != JIM_BAD_FD) {
JimCloseFd(inputId);
}
if (outputId != JIM_BAD_FD) {
JimCloseFd(outputId);
}
inputId = pipeIds[0];
pipeIds[0] = pipeIds[1] = JIM_BAD_FD;
}
*pidArrayPtr = pidPtr;
/*
* All done. Cleanup open files lying around and then return.
*/
cleanup:
if (inputId != JIM_BAD_FD) {
JimCloseFd(inputId);
}
if (lastOutputId != JIM_BAD_FD) {
JimCloseFd(lastOutputId);
}
if (errorId != JIM_BAD_FD) {
JimCloseFd(errorId);
}
Jim_Free(arg_array);
JimRestoreEnv(save_environ);
return numPids;
/*
* An error occurred. There could have been extra files open, such
* as pipes between children. Clean them all up. Detach any child
* processes that have been created.
*/
error:
if ((inPipePtr != NULL) && (*inPipePtr != JIM_BAD_FD)) {
JimCloseFd(*inPipePtr);
*inPipePtr = JIM_BAD_FD;
}
if ((outPipePtr != NULL) && (*outPipePtr != JIM_BAD_FD)) {
JimCloseFd(*outPipePtr);
*outPipePtr = JIM_BAD_FD;
}
if ((errFilePtr != NULL) && (*errFilePtr != JIM_BAD_FD)) {
JimCloseFd(*errFilePtr);
*errFilePtr = JIM_BAD_FD;
}
if (pipeIds[0] != JIM_BAD_FD) {
JimCloseFd(pipeIds[0]);
}
if (pipeIds[1] != JIM_BAD_FD) {
JimCloseFd(pipeIds[1]);
}
if (pidPtr != NULL) {
for (i = 0; i < numPids; i++) {
if (pidPtr[i] != JIM_BAD_PID) {
JimDetachPids(interp, 1, &pidPtr[i]);
}
}
Jim_Free(pidPtr);
}
numPids = -1;
goto cleanup;
}
/*
* The main [exec] command
*/
static int Jim_ExecCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
fdtype outputId; /* File id for output pipe. -1
* means command overrode. */
fdtype errorId; /* File id for temporary file
* containing error output. */
pidtype *pidPtr;
int numPids, result;
/*
* See if the command is to be run in background; if so, create
* the command, detach it, and return.
*/
if (argc > 1 && Jim_CompareStringImmediate(interp, argv[argc - 1], "&")) {
Jim_Obj *listObj;
int i;
argc--;
numPids = JimCreatePipeline(interp, argc - 1, argv + 1, &pidPtr, NULL, NULL, NULL);
if (numPids < 0) {
return JIM_ERR;
}
/* The return value is a list of the pids */
listObj = Jim_NewListObj(interp, NULL, 0);
for (i = 0; i < numPids; i++) {
Jim_ListAppendElement(interp, listObj, Jim_NewIntObj(interp, (long)pidPtr[i]));
}
Jim_SetResult(interp, listObj);
JimDetachPids(interp, numPids, pidPtr);
Jim_Free(pidPtr);
return JIM_OK;
}
/*
* Create the command's pipeline.
*/
numPids =
JimCreatePipeline(interp, argc - 1, argv + 1, &pidPtr, NULL, &outputId, &errorId);
if (numPids < 0) {
return JIM_ERR;
}
/*
* Read the child's output (if any) and put it into the result.
*/
Jim_SetResultString(interp, "", 0);
result = JIM_OK;
if (outputId != JIM_BAD_FD) {
result = JimAppendStreamToString(interp, outputId, Jim_GetResult(interp));
if (result < 0) {
Jim_SetResultErrno(interp, "error reading from output pipe");
}
}
if (JimCleanupChildren(interp, numPids, pidPtr, errorId) != JIM_OK) {
result = JIM_ERR;
}
return result;
}
static void Jim_FreeTimeHandler(Jim_Interp *interp, Jim_TimeEvent *te)
{
if (te->finalizerProc)
te->finalizerProc(interp, te->clientData);
Jim_Free(te);
}
static void FreeRegexpInternalRep(Jim_Interp *interp, Jim_Obj *objPtr)
{
regfree(objPtr->internalRep.regexpValue.compre);
Jim_Free(objPtr->internalRep.regexpValue.compre);
}
/* [tcl::prefix]
*/
static int Jim_TclPrefixCoreCommand(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_Obj *objPtr;
Jim_Obj *stringObj;
int option;
static const char * const options[] = { "match", "all", "longest", NULL };
enum { OPT_MATCH, OPT_ALL, OPT_LONGEST };
if (argc < 2) {
Jim_WrongNumArgs(interp, 1, argv, "subcommand ?arg ...?");
return JIM_ERR;
}
if (Jim_GetEnum(interp, argv[1], options, &option, NULL, JIM_ERRMSG | JIM_ENUM_ABBREV) != JIM_OK)
return Jim_CheckShowCommands(interp, argv[1], options);
switch (option) {
case OPT_MATCH:{
int i;
int ret;
int tablesize;
const char **table;
Jim_Obj *tableObj;
Jim_Obj *errorObj = NULL;
const char *message = "option";
static const char * const matchoptions[] = { "-error", "-exact", "-message", NULL };
enum { OPT_MATCH_ERROR, OPT_MATCH_EXACT, OPT_MATCH_MESSAGE };
int flags = JIM_ERRMSG | JIM_ENUM_ABBREV;
if (argc < 4) {
Jim_WrongNumArgs(interp, 2, argv, "?options? table string");
return JIM_ERR;
}
tableObj = argv[argc - 2];
stringObj = argv[argc - 1];
argc -= 2;
for (i = 2; i < argc; i++) {
int matchoption;
if (Jim_GetEnum(interp, argv[i], matchoptions, &matchoption, "option", JIM_ERRMSG | JIM_ENUM_ABBREV) != JIM_OK)
return JIM_ERR;
switch (matchoption) {
case OPT_MATCH_EXACT:
flags &= ~JIM_ENUM_ABBREV;
break;
case OPT_MATCH_ERROR:
if (++i == argc) {
Jim_SetResultString(interp, "missing error options", -1);
return JIM_ERR;
}
errorObj = argv[i];
if (Jim_Length(errorObj) % 2) {
Jim_SetResultString(interp, "error options must have an even number of elements", -1);
return JIM_ERR;
}
break;
case OPT_MATCH_MESSAGE:
if (++i == argc) {
Jim_SetResultString(interp, "missing message", -1);
return JIM_ERR;
}
message = Jim_String(argv[i]);
break;
}
}
/* Do the match */
tablesize = Jim_ListLength(interp, tableObj);
table = Jim_Alloc((tablesize + 1) * sizeof(*table));
for (i = 0; i < tablesize; i++) {
Jim_ListIndex(interp, tableObj, i, &objPtr, JIM_NONE);
table[i] = Jim_String(objPtr);
}
table[i] = NULL;
ret = Jim_GetEnum(interp, stringObj, table, &i, message, flags);
Jim_Free(table);
if (ret == JIM_OK) {
Jim_ListIndex(interp, tableObj, i, &objPtr, JIM_NONE);
Jim_SetResult(interp, objPtr);
return JIM_OK;
}
if (tablesize == 0) {
Jim_SetResultFormatted(interp, "bad %s \"%#s\": no valid options", message, stringObj);
return JIM_ERR;
}
if (errorObj) {
if (Jim_Length(errorObj) == 0) {
Jim_SetEmptyResult(interp);
return JIM_OK;
}
/* Do this the easy way. Build a list to evaluate */
objPtr = Jim_NewStringObj(interp, "return -level 0 -code error", -1);
Jim_ListAppendList(interp, objPtr, errorObj);
Jim_ListAppendElement(interp, objPtr, Jim_GetResult(interp));
return Jim_EvalObjList(interp, objPtr);
}
return JIM_ERR;
}
case OPT_ALL:
if (argc != 4) {
Jim_WrongNumArgs(interp, 2, argv, "table string");
return JIM_ERR;
}
else {
int i;
int listlen = Jim_ListLength(interp, argv[2]);
objPtr = Jim_NewListObj(interp, NULL, 0);
for (i = 0; i < listlen; i++) {
Jim_Obj *valObj = Jim_ListGetIndex(interp, argv[2], i);
if (Jim_StringCompareLenObj(interp, argv[3], valObj, 0) == 0) {
Jim_ListAppendElement(interp, objPtr, valObj);
}
}
Jim_SetResult(interp, objPtr);
return JIM_OK;
}
case OPT_LONGEST:
if (argc != 4) {
Jim_WrongNumArgs(interp, 2, argv, "table string");
return JIM_ERR;
}
else if (Jim_ListLength(interp, argv[2])) {
const char *longeststr = NULL;
int longestlen = 0;
int i;
int listlen = Jim_ListLength(interp, argv[2]);
stringObj = argv[3];
for (i = 0; i < listlen; i++) {
Jim_Obj *valObj = Jim_ListGetIndex(interp, argv[2], i);
if (Jim_StringCompareLenObj(interp, stringObj, valObj, 0)) {
/* Does not begin with 'string' */
continue;
}
if (longeststr == NULL) {
longestlen = Jim_Utf8Length(interp, valObj);
longeststr = Jim_String(valObj);
}
else {
longestlen = JimStringCommonLength(longeststr, longestlen, Jim_String(valObj), Jim_Utf8Length(interp, valObj));
}
}
if (longeststr) {
Jim_SetResultString(interp, longeststr, longestlen);
}
return JIM_OK;
}
}
return JIM_ERR; /* Cannot ever get here */
}
int Jim_RegexpCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
int opt_indices = 0;
int opt_all = 0;
int opt_inline = 0;
regex_t *regex;
int match, i, j;
int offset = 0;
regmatch_t *pmatch = NULL;
int source_len;
int result = JIM_OK;
const char *pattern;
const char *source_str;
int num_matches = 0;
int num_vars;
Jim_Obj *resultListObj = NULL;
int regcomp_flags = 0;
int eflags = 0;
int option;
enum {
OPT_INDICES, OPT_NOCASE, OPT_LINE, OPT_ALL, OPT_INLINE, OPT_START, OPT_END
};
static const char * const options[] = {
"-indices", "-nocase", "-line", "-all", "-inline", "-start", "--", NULL
};
if (argc < 3) {
wrongNumArgs:
Jim_WrongNumArgs(interp, 1, argv,
"?-switch ...? exp string ?matchVar? ?subMatchVar ...?");
return JIM_ERR;
}
for (i = 1; i < argc; i++) {
const char *opt = Jim_String(argv[i]);
if (*opt != '-') {
break;
}
if (Jim_GetEnum(interp, argv[i], options, &option, "switch", JIM_ERRMSG | JIM_ENUM_ABBREV) != JIM_OK) {
return JIM_ERR;
}
if (option == OPT_END) {
i++;
break;
}
switch (option) {
case OPT_INDICES:
opt_indices = 1;
break;
case OPT_NOCASE:
regcomp_flags |= REG_ICASE;
break;
case OPT_LINE:
regcomp_flags |= REG_NEWLINE;
break;
case OPT_ALL:
opt_all = 1;
break;
case OPT_INLINE:
opt_inline = 1;
break;
case OPT_START:
if (++i == argc) {
goto wrongNumArgs;
}
if (Jim_GetIndex(interp, argv[i], &offset) != JIM_OK) {
return JIM_ERR;
}
break;
}
}
if (argc - i < 2) {
goto wrongNumArgs;
}
regex = SetRegexpFromAny(interp, argv[i], regcomp_flags);
if (!regex) {
return JIM_ERR;
}
pattern = Jim_String(argv[i]);
source_str = Jim_GetString(argv[i + 1], &source_len);
num_vars = argc - i - 2;
if (opt_inline) {
if (num_vars) {
Jim_SetResultString(interp, "regexp match variables not allowed when using -inline",
-1);
result = JIM_ERR;
goto done;
}
num_vars = regex->re_nsub + 1;
}
pmatch = Jim_Alloc((num_vars + 1) * sizeof(*pmatch));
/* If an offset has been specified, adjust for that now.
* If it points past the end of the string, point to the terminating null
*/
if (offset) {
if (offset < 0) {
offset += source_len + 1;
}
if (offset > source_len) {
source_str += source_len;
}
else if (offset > 0) {
source_str += offset;
}
eflags |= REG_NOTBOL;
}
if (opt_inline) {
resultListObj = Jim_NewListObj(interp, NULL, 0);
}
next_match:
match = regexec(regex, source_str, num_vars + 1, pmatch, eflags);
if (match >= REG_BADPAT) {
char buf[100];
regerror(match, regex, buf, sizeof(buf));
Jim_SetResultFormatted(interp, "error while matching pattern: %s", buf);
result = JIM_ERR;
goto done;
}
if (match == REG_NOMATCH) {
goto done;
}
num_matches++;
if (opt_all && !opt_inline) {
/* Just count the number of matches, so skip the substitution h */
goto try_next_match;
}
/*
* If additional variable names have been specified, return
* index information in those variables.
*/
j = 0;
for (i += 2; opt_inline ? j < num_vars : i < argc; i++, j++) {
Jim_Obj *resultObj;
if (opt_indices) {
resultObj = Jim_NewListObj(interp, NULL, 0);
}
else {
resultObj = Jim_NewStringObj(interp, "", 0);
}
if (pmatch[j].rm_so == -1) {
if (opt_indices) {
Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, -1));
Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp, -1));
}
}
else {
int len = pmatch[j].rm_eo - pmatch[j].rm_so;
if (opt_indices) {
Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp,
offset + pmatch[j].rm_so));
Jim_ListAppendElement(interp, resultObj, Jim_NewIntObj(interp,
offset + pmatch[j].rm_so + len - 1));
}
else {
Jim_AppendString(interp, resultObj, source_str + pmatch[j].rm_so, len);
}
}
if (opt_inline) {
Jim_ListAppendElement(interp, resultListObj, resultObj);
}
else {
/* And now set the result variable */
result = Jim_SetVariable(interp, argv[i], resultObj);
if (result != JIM_OK) {
Jim_FreeObj(interp, resultObj);
break;
}
}
}
try_next_match:
if (opt_all && (pattern[0] != '^' || (regcomp_flags & REG_NEWLINE)) && *source_str) {
if (pmatch[0].rm_eo) {
offset += pmatch[0].rm_eo;
source_str += pmatch[0].rm_eo;
}
else {
source_str++;
offset++;
}
if (*source_str) {
eflags = REG_NOTBOL;
goto next_match;
}
}
done:
if (result == JIM_OK) {
if (opt_inline) {
Jim_SetResult(interp, resultListObj);
}
else {
Jim_SetResultInt(interp, num_matches);
}
}
Jim_Free(pmatch);
return result;
}
static int file_cmd_join(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
int i;
char *newname = Jim_Alloc(MAXPATHLEN + 1);
char *last = newname;
*newname = 0;
/* Simple implementation for now */
for (i = 0; i < argc; i++) {
int len;
const char *part = Jim_GetString(argv[i], &len);
if (*part == '/') {
/* Absolute component, so go back to the start */
last = newname;
}
#if defined(__MINGW32__) || defined(_MSC_VER)
else if (strchr(part, ':')) {
/* Absolute compontent on mingw, so go back to the start */
last = newname;
}
#endif
else if (part[0] == '.') {
if (part[1] == '/') {
part += 2;
len -= 2;
}
else if (part[1] == 0 && last != newname) {
/* Adding '.' to an existing path does nothing */
continue;
}
}
/* Add a slash if needed */
if (last != newname && last[-1] != '/') {
*last++ = '/';
}
if (len) {
if (last + len - newname >= MAXPATHLEN) {
Jim_Free(newname);
Jim_SetResultString(interp, "Path too long", -1);
return JIM_ERR;
}
memcpy(last, part, len);
last += len;
}
/* Remove a slash if needed */
if (last > newname + 1 && last[-1] == '/') {
*--last = 0;
}
}
*last = 0;
/* Probably need to handle some special cases ... */
Jim_SetResult(interp, Jim_NewStringObjNoAlloc(interp, newname, last - newname));
return JIM_OK;
}
static int JimParseIpAddress(Jim_Interp *interp, const char *hostport, union sockaddr_any *sa, int *salen)
{
/* An IPv4 addr/port looks like:
* 192.168.1.5
* 192.168.1.5:2000
* 2000
*
* If the address is missing, INADDR_ANY is used.
* If the port is missing, 0 is used (only useful for server sockets).
*/
char *sthost = NULL;
const char *stport;
int ret = JIM_OK;
stport = strrchr(hostport, ':');
if (!stport) {
/* No : so, the whole thing is the port */
stport = hostport;
sthost = Jim_StrDup("0.0.0.0");
}
else {
sthost = Jim_StrDupLen(hostport, stport - hostport);
stport++;
}
{
#ifdef HAVE_GETADDRINFO
struct addrinfo req;
struct addrinfo *ai;
memset(&req, '\0', sizeof(req));
req.ai_family = PF_INET;
if (getaddrinfo(sthost, NULL, &req, &ai)) {
ret = JIM_ERR;
}
else {
memcpy(&sa->sin, ai->ai_addr, ai->ai_addrlen);
*salen = ai->ai_addrlen;
freeaddrinfo(ai);
}
#else
struct hostent *he;
ret = JIM_ERR;
if ((he = gethostbyname(sthost)) != NULL) {
if (he->h_length == sizeof(sa->sin.sin_addr)) {
*salen = sizeof(sa->sin);
sa->sin.sin_family= he->h_addrtype;
memcpy(&sa->sin.sin_addr, he->h_addr, he->h_length); /* set address */
ret = JIM_OK;
}
}
#endif
sa->sin.sin_port = htons(atoi(stport));
}
Jim_Free(sthost);
if (ret != JIM_OK) {
Jim_SetResultFormatted(interp, "Not a valid address: %s", hostport);
}
return ret;
}
static int JimParseIPv6Address(Jim_Interp *interp, const char *hostport, union sockaddr_any *sa, int *salen)
{
#if IPV6
/*
* An IPv6 addr/port looks like:
* [::1]
* [::1]:2000
* [fe80::223:6cff:fe95:bdc0%en1]:2000
* [::]:2000
* 2000
*
* Note that the "any" address is ::, which is the same as when no address is specified.
*/
char *sthost = NULL;
const char *stport;
int ret = JIM_OK;
struct addrinfo req;
struct addrinfo *ai;
stport = strrchr(hostport, ':');
if (!stport) {
/* No : so, the whole thing is the port */
stport = hostport;
hostport = "::";
sthost = Jim_StrDup(hostport);
}
else {
stport++;
}
if (*hostport == '[') {
/* This is a numeric ipv6 address */
char *pt = strchr(++hostport, ']');
if (pt) {
sthost = Jim_StrDupLen(hostport, pt - hostport);
}
}
if (!sthost) {
sthost = Jim_StrDupLen(hostport, stport - hostport - 1);
}
memset(&req, '\0', sizeof(req));
req.ai_family = PF_INET6;
if (getaddrinfo(sthost, NULL, &req, &ai)) {
Jim_SetResultFormatted(interp, "Not a valid address: %s", hostport);
ret = JIM_ERR;
}
else {
memcpy(&sa->sin, ai->ai_addr, ai->ai_addrlen);
*salen = ai->ai_addrlen;
sa->sin.sin_port = htons(atoi(stport));
freeaddrinfo(ai);
}
Jim_Free(sthost);
return ret;
#else
Jim_SetResultString(interp, "ipv6 not supported", -1);
return JIM_ERR;
#endif
}
static Jim_Obj *JimSqliteFormatQuery(Jim_Interp *interp, Jim_Obj *fmtObjPtr,
int objc, Jim_Obj *const *objv)
{
const char *fmt;
int fmtLen;
Jim_Obj *resObjPtr;
fmt = Jim_GetString(fmtObjPtr, &fmtLen);
resObjPtr = Jim_NewStringObj(interp, "", 0);
while (fmtLen) {
const char *p = fmt;
char spec[2];
while (*fmt != '%' && fmtLen) {
fmt++;
fmtLen--;
}
Jim_AppendString(interp, resObjPtr, p, fmt - p);
if (fmtLen == 0)
break;
fmt++;
fmtLen--; /* skip '%' */
if (*fmt != '%') {
if (objc == 0) {
Jim_FreeNewObj(interp, resObjPtr);
Jim_SetResultString(interp, "not enough arguments for all format specifiers", -1);
return NULL;
}
else {
objc--;
}
}
switch (*fmt) {
case 's':
{
const char *str;
char *quoted;
int len, newLen;
str = Jim_GetString(objv[0], &len);
quoted = JimSqliteQuoteString(str, len, &newLen);
Jim_AppendString(interp, resObjPtr, quoted, newLen);
Jim_Free(quoted);
}
objv++;
break;
case '%':
Jim_AppendString(interp, resObjPtr, "%", 1);
break;
default:
spec[0] = *fmt;
spec[1] = '\0';
Jim_FreeNewObj(interp, resObjPtr);
Jim_SetResultFormatted(interp,
"bad field specifier \"%s\", only %%s and %%%% are valid", spec);
return NULL;
}
fmt++;
fmtLen--;
}
return resObjPtr;
}
static void JimHistoryDelProc(Jim_Interp *interp, void *privData)
{
Jim_Free(privData);
}
