diff options
Diffstat (limited to 'source4/lib/appweb/ejs/ejsLib.c')
| -rw-r--r-- | source4/lib/appweb/ejs/ejsLib.c | 1090 |
1 files changed, 0 insertions, 1090 deletions
diff --git a/source4/lib/appweb/ejs/ejsLib.c b/source4/lib/appweb/ejs/ejsLib.c deleted file mode 100644 index 67d0a4e760..0000000000 --- a/source4/lib/appweb/ejs/ejsLib.c +++ /dev/null @@ -1,1090 +0,0 @@ -/* - * @file ejs.c - * @brief Embedded JavaScript (EJS) - * @overview Main module interface logic. - */ -/********************************* Copyright **********************************/ -/* - * @copy default.g - * - * Copyright (c) Mbedthis Software LLC, 2003-2005. All Rights Reserved. - * Portions Copyright (c) GoAhead Software, 1995-2000. All Rights Reserved. - * - * This software is distributed under commercial and open source licenses. - * You may use the GPL open source license described below or you may acquire - * a commercial license from Mbedthis Software. You agree to be fully bound - * by the terms of either license. Consult the LICENSE.TXT distributed with - * this software for full details. - * - * This software is open source; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. See the GNU General Public License for more - * details at: http://www.mbedthis.com/downloads/gplLicense.html - * - * This program is distributed WITHOUT ANY WARRANTY; without even the - * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * This GPL license does NOT permit incorporating this software into - * proprietary programs. If you are unable to comply with the GPL, you must - * acquire a commercial license to use this software. Commercial licenses - * for this software and support services are available from Mbedthis - * Software at http://www.mbedthis.com - * - * @end - */ -/********************************** Includes **********************************/ - -#include "ejsInternal.h" - -#if BLD_FEATURE_EJS - -/********************************** Local Data ********************************/ - -/* - * These fields must be locked before any access when multithreaded - */ -static MprVar master; /* Master object */ -static MprArray *ejsList; /* List of ej handles */ - -#if BLD_FEATURE_MULTITHREAD -static EjsLock lock; -static EjsUnlock unlock; -static void *lockData; -#define ejsLock() if (lock) { (lock)(lockData); } else -#define ejsUnlock() if (unlock) { (unlock)(lockData); } else -#else -#define ejsLock() -#define ejsUnlock() -#endif - - -/* - save/restore global ejs state - used to cope with simultaneous ejs requests - this is a workaround for the use of global variables in ejs -*/ -struct ejs_state_ctx { - MprVar master; - MprArray *ejsList; -}; - -void *ejs_save_state(void) -{ - struct ejs_state_ctx *ctx = talloc(talloc_autofree_context(), struct ejs_state_ctx); - ctx->master = master; - ctx->ejsList = ejsList; - return ctx; -} - -void ejs_restore_state(void *ptr) -{ - struct ejs_state_ctx *ctx = talloc_get_type(ptr, struct ejs_state_ctx); - master = ctx->master; - ejsList = ctx->ejsList; - talloc_free(ctx); -} - - -/****************************** Forward Declarations **************************/ - -static char *getNextVarToken(char **next, char *tokBuf, int tokBufLen); - -/************************************* Code ***********************************/ -/* - * Initialize the EJ subsystem - */ - -int ejsOpen(EjsLock lockFn, EjsUnlock unlockFn, void *data) -{ - MprVar *np; - -#if BLD_FEATURE_MULTITHREAD - if (lockFn) { - lock = lockFn; - unlock = unlockFn; - lockData = data; - } -#endif - ejsLock(); - - /* - * Master is the top level object (above global). It is used to clone its - * contents into the global scope for each. This is never visible to the - * user, so don't use ejsCreateObj(). - */ - master = mprCreateObjVar("master", EJS_SMALL_OBJ_HASH_SIZE); - if (master.type == MPR_TYPE_UNDEFINED) { - ejsUnlock(); - return MPR_ERR_CANT_ALLOCATE; - } - - ejsList = mprCreateArray(); - ejsDefineStandardProperties(&master); - - /* - * Make these objects immutable - */ - np = mprGetFirstProperty(&master, MPR_ENUM_FUNCTIONS | MPR_ENUM_DATA); - while (np) { - mprSetVarReadonly(np, 1); - np = mprGetNextProperty(&master, np, MPR_ENUM_FUNCTIONS | - MPR_ENUM_DATA); - } - ejsUnlock(); - return 0; -} - -/******************************************************************************/ - -void ejsClose() -{ - ejsLock(); - mprDestroyArray(ejsList); - mprDestroyVar(&master); - ejsUnlock(); -} - -/******************************************************************************/ -/* - * Create and initialize an EJS engine - */ - -EjsId ejsOpenEngine(EjsHandle primaryHandle, EjsHandle altHandle) -{ - MprVar *np; - Ejs *ep; - - ep = (Ejs *)mprMalloc(sizeof(Ejs)); - if (ep == 0) { - return (EjsId) -1; - } - memset(ep, 0, sizeof(Ejs)); - - ejsLock(); - ep->eid = (EjsId) mprAddToArray(ejsList, ep); - ejsUnlock(); - - /* - * Create array of local variable frames - */ - ep->frames = mprCreateArray(); - if (ep->frames == 0) { - ejsCloseEngine(ep->eid); - return (EjsId) -1; - } - ep->primaryHandle = primaryHandle; - ep->altHandle = altHandle; - - /* - * Create first frame: global variables - */ - ep->global = (MprVar*) mprMalloc(sizeof(MprVar)); - *ep->global = ejsCreateObj("global", EJS_OBJ_HASH_SIZE); - if (ep->global->type == MPR_TYPE_UNDEFINED) { - ejsCloseEngine(ep->eid); - return (EjsId) -1; - } - mprAddToArray(ep->frames, ep->global); - - /* - * Create first local variable frame - */ - ep->local = (MprVar*) mprMalloc(sizeof(MprVar)); - *ep->local = ejsCreateObj("local", EJS_OBJ_HASH_SIZE); - if (ep->local->type == MPR_TYPE_UNDEFINED) { - ejsCloseEngine(ep->eid); - return (EjsId) -1; - } - mprAddToArray(ep->frames, ep->local); - - /* - * Clone all master variables into the global frame. This does a - * reference copy. - * - * ejsDefineStandardProperties(ep->global); - */ - np = mprGetFirstProperty(&master, MPR_ENUM_FUNCTIONS | MPR_ENUM_DATA); - while (np) { - mprCreateProperty(ep->global, np->name, np); - np = mprGetNextProperty(&master, np, MPR_ENUM_FUNCTIONS | - MPR_ENUM_DATA); - } - - mprCreateProperty(ep->global, "global", ep->global); - mprCreateProperty(ep->global, "this", ep->global); - mprCreateProperty(ep->local, "local", ep->local); - - return ep->eid; -} - -/******************************************************************************/ -/* - * Close an EJS instance - */ - -void ejsCloseEngine(EjsId eid) -{ - Ejs *ep; - MprVar *vp; - void **handles; - int i; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return; - } - - mprFree(ep->error); - mprDestroyVar(&ep->result); - mprDestroyVar(&ep->tokenNumber); - - if (ep->local) { - mprDeleteProperty(ep->local, "local"); - } - mprDeleteProperty(ep->global, "this"); - mprDeleteProperty(ep->global, "global"); - - handles = ep->frames->handles; - for (i = 0; i < ep->frames->max; i++) { - vp = handles[i]; - if (vp) { -#if BLD_DEBUG - if (vp->type == MPR_TYPE_OBJECT && vp->properties->refCount > 1) { - mprLog(7, "ejsCloseEngine: %s has ref count %d\n", - vp->name, vp->properties->refCount); - } -#endif - mprDestroyVar(vp); - mprFree(vp); - mprRemoveFromArray(ep->frames, i); - } - } - mprDestroyArray(ep->frames); - - ejsLock(); - mprRemoveFromArray(ejsList, (int) ep->eid); - ejsUnlock(); - - mprFree(ep); -} - -/******************************************************************************/ -/* - * Evaluate an EJS script file - */ - -int ejsEvalFile(EjsId eid, char *path, MprVar *result, char **emsg) -{ - struct stat sbuf; - Ejs *ep; - char *script; - int rc, fd; - - mprAssert(path && *path); - - if (emsg) { - *emsg = NULL; - } - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - goto error; - } - - if ((fd = open(path, O_RDONLY | O_BINARY, 0666)) < 0) { - ejsError(ep, "Can't open %s\n", path); - goto error; - } - - if (stat(path, &sbuf) < 0) { - close(fd); - ejsError(ep, "Cant stat %s", path); - goto error; - } - - if ((script = (char*) mprMalloc(sbuf.st_size + 1)) == NULL) { - close(fd); - ejsError(ep, "Cant malloc %d", (int) sbuf.st_size); - goto error; - } - - if (read(fd, script, sbuf.st_size) != (int) sbuf.st_size) { - close(fd); - mprFree(script); - ejsError(ep, "Error reading %s", path); - goto error; - } - - script[sbuf.st_size] = '\0'; - close(fd); - - rc = ejsEvalBlock(eid, script, result, emsg); - mprFree(script); - - return rc; - -/* - * Error return - */ -error: - if(emsg) - *emsg = mprStrdup(ep->error); - return -1; -} - -/******************************************************************************/ -/* - * Create a new variable scope block. This pushes the old local frame down - * the stack and creates a new local variables frame. - */ - -int ejsOpenBlock(EjsId eid) -{ - Ejs *ep; - - if((ep = ejsPtr(eid)) == NULL) { - return -1; - } - - ep->local = (MprVar*) mprMalloc(sizeof(MprVar)); - *ep->local = ejsCreateObj("localBlock", EJS_OBJ_HASH_SIZE); - - mprCreateProperty(ep->local, "local", ep->local); - - return mprAddToArray(ep->frames, ep->local); -} - -/******************************************************************************/ -/* - * Close a variable scope block opened via ejsOpenBlock. Pop back the old - * local variables frame. - */ - -int ejsCloseBlock(EjsId eid, int fid) -{ - Ejs *ep; - - if((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return -1; - } - - /* - * Must remove self-references before destroying "local" - */ - mprDeleteProperty(ep->local, "local"); - - mprDestroyVar(ep->local); - mprFree(ep->local); - - mprRemoveFromArray(ep->frames, fid); - ep->local = (MprVar*) ep->frames->handles[ep->frames->used - 1]; - - return 0; -} - -/******************************************************************************/ -/* - * Create a new variable scope block and evaluate a script. All frames - * created during this context will be automatically deleted when complete. - * vp and emsg are optional. i.e. created local variables will be discarded - * when this routine returns. - */ - -int ejsEvalBlock(EjsId eid, char *script, MprVar *vp, char **emsg) -{ - int rc, fid; - - mprAssert(script); - - fid = ejsOpenBlock(eid); - rc = ejsEvalScript(eid, script, vp, emsg); - ejsCloseBlock(eid, fid); - - return rc; -} - -/******************************************************************************/ -/* - * Parse and evaluate a EJS. Return the result in *vp. The result is "owned" - * by EJ and the caller must not free it. Returns -1 on errors and zero - * for success. On errors, emsg will be set to the reason. The caller must - * free emsg. - */ - -int ejsEvalScript(EjsId eid, char *script, MprVar *vp, char **emsg) -{ - Ejs *ep; - int state; - void *endlessLoopTest; - int loopCounter; - - if (emsg) { - *emsg = NULL; - } - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return -1; - } - - mprDestroyVar(&ep->result); - - if (script == 0) { - return 0; - } - - /* - * Allocate a new evaluation block, and save the old one - */ - ejsLexOpenScript(ep, script); - - /* - * Do the actual parsing and evaluation - */ - loopCounter = 0; - endlessLoopTest = NULL; - ep->exitStatus = 0; - - do { - state = ejsParse(ep, EJS_STATE_BEGIN, EJS_FLAGS_EXE); - - if (state == EJS_STATE_RET) { - state = EJS_STATE_EOF; - } - /* - * Stuck parser and endless recursion protection. - */ - if (endlessLoopTest == ep->input->scriptServp) { - if (loopCounter++ > 10) { - state = EJS_STATE_ERR; - ejsError(ep, "Syntax error"); - } - } else { - endlessLoopTest = ep->input->scriptServp; - loopCounter = 0; - } - } while (state != EJS_STATE_EOF && state != EJS_STATE_ERR); - - ejsLexCloseScript(ep); - - /* - * Return any error string to the user - */ - if (state == EJS_STATE_ERR && emsg) { - *emsg = mprStrdup(ep->error); - } - - if (state == EJS_STATE_ERR) { - return -1; - } - - if (vp) { - *vp = ep->result; - } - - return ep->exitStatus; -} - -/******************************************************************************/ -/* - * Core error handling - */ - -static void ejsErrorCore(Ejs* ep, const char *fmt, va_list args) - PRINTF_ATTRIBUTE(2, 0); - -static void ejsErrorCore(Ejs* ep, const char *fmt, va_list args) -{ - EjsInput *ip; - char *errbuf, *msgbuf; - int frame = 0; - - mprAssert(ep); - - msgbuf = NULL; - mprAllocVsprintf(&msgbuf, MPR_MAX_STRING, fmt, args); - - ip = ep->input; - mprAllocSprintf(&errbuf, MPR_MAX_STRING, "%s\nBacktrace:\n", msgbuf); - - /* form a backtrace */ - while (ip) { - char *msg2, *ebuf2; - mprAllocSprintf(&msg2, MPR_MAX_STRING, - "\t[%2d] %20s:%-4d -> %s\n", - frame++, ip->procName?ip->procName:"", ip->lineNumber, ip->line); - ebuf2 = mprRealloc(errbuf, strlen(errbuf) + strlen(msg2) + 1); - if (ebuf2 == NULL) break; - errbuf = ebuf2; - memcpy(errbuf+strlen(errbuf), msg2, strlen(msg2)+1); - mprFree(msg2); - ip = ip->next; - } - mprFree(ep->error); - ep->error = errbuf; - mprFree(msgbuf); -} - -/******************************************************************************/ -/* - * Internal use function to set the error message - */ - -void ejsError(Ejs* ep, const char* fmt, ...) -{ - va_list args; - - va_start(args, fmt); - ejsErrorCore(ep, fmt, args); - va_end(args); -} - -/******************************************************************************/ -/* - * Public routine to set the error message - */ - -void ejsSetErrorMsg(EjsId eid, const char* fmt, ...) -{ - va_list args; - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return; - } - va_start(args, fmt); - ejsErrorCore(ep, fmt, args); - va_end(args); -} - -/******************************************************************************/ -/* - * Get the current line number - */ - -int ejsGetLineNumber(EjsId eid) -{ - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return -1; - } - return ep->input->lineNumber; -} - -/******************************************************************************/ -/* - * Return the local object - */ - -MprVar *ejsGetLocalObject(EjsId eid) -{ - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return 0; - } - return ep->local; -} - -/******************************************************************************/ -/* - * Return the global object - */ - -MprVar *ejsGetGlobalObject(EjsId eid) -{ - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return 0; - } - return ep->global; -} - -/******************************************************************************/ -/* - * Copy the value of an object property. Return value is in "value". - * If deepCopy is true, copy all object/strings. Otherwise, object reference - * counts are incremented. Callers must always call mprDestroyVar on the - * return value to prevent leaks. - * - * Returns: -1 on errors or if the variable is not found. - */ - -int ejsCopyVar(EjsId eid, const char *var, MprVar *value, bool deepCopy) -{ - Ejs *ep; - MprVar *vp; - - mprAssert(var && *var); - mprAssert(value); - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return -1; - } - - if (ejsGetVarCore(ep, var, 0, &vp, 0) < 0) { - return -1; - } - - return mprCopyProperty(value, vp, deepCopy); -} - -/******************************************************************************/ -/* - * Return the value of an object property. Return value is in "value". - * Objects and strings are not copied and reference counts are not modified. - * Callers should NOT call mprDestroyVar. Returns: -1 on errors or if the - * variable is not found. - */ - -int ejsReadVar(EjsId eid, const char *var, MprVar *value) -{ - Ejs *ep; - MprVar *vp; - - mprAssert(var && *var); - mprAssert(value); - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return -1; - } - - if (ejsGetVarCore(ep, var, 0, &vp, 0) < 0) { - return -1; - } - - return mprReadProperty(vp, value); -} - -/******************************************************************************/ -/* - * Set a variable that may be an arbitrarily complex object or array reference. - * Will always define in the top most variable frame. - */ - -int ejsWriteVar(EjsId eid, const char *var, MprVar *value) -{ - Ejs *ep; - MprVar *vp; - - mprAssert(var && *var); - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return -1; - } - - if (ejsGetVarCore(ep, var, 0, &vp, EJS_FLAGS_CREATE) < 0) { - return -1; - } - mprAssert(vp); - - /* - * Only copy the value. Don't overwrite the object's name - */ - mprWriteProperty(vp, value); - - return 0; -} - -/******************************************************************************/ -/* - * Set a variable that may be an arbitrarily complex object or array reference. - * Will always define in the top most variable frame. - */ - -int ejsWriteVarValue(EjsId eid, const char *var, MprVar value) -{ - return ejsWriteVar(eid, var, &value); -} - -/******************************************************************************/ -/* - * Delete a variable - */ - -int ejsDeleteVar(EjsId eid, const char *var) -{ - Ejs *ep; - MprVar *vp; - MprVar *obj; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return -1; - } - if (ejsGetVarCore(ep, var, &obj, &vp, 0) < 0) { - return -1; - } - mprDeleteProperty(obj, vp->name); - return 0; -} - -/******************************************************************************/ -/* - * Set the expression return value - */ - -void ejsSetReturnValue(EjsId eid, MprVar value) -{ - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return; - } - mprCopyVar(&ep->result, &value, MPR_SHALLOW_COPY); -} - -/******************************************************************************/ -/* - * Set the expression return value to a string value - */ - -void ejsSetReturnString(EjsId eid, const char *str) -{ - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return; - } - mprCopyVarValue(&ep->result, mprCreateStringVar(str, 0), MPR_SHALLOW_COPY); -} - -/******************************************************************************/ -/* - * Get the expression return value - */ - -MprVar *ejsGetReturnValue(EjsId eid) -{ - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return 0; - } - return &ep->result; -} - -/******************************************************************************/ -/* - * Define a C function. If eid < 0, then update the master object with this - * function. NOTE: in this case, functionName must be simple without any "." or - * "[]" elements. If eid >= 0, add to the specified script engine. In this - * case, functionName can be an arbitrary object reference and can contain "." - * or "[]". - */ - -void ejsDefineCFunction(EjsId eid, const char *functionName, MprCFunction fn, - void *thisPtr, int flags) -{ - if (eid < 0) { - ejsLock(); - mprCreatePropertyValue(&master, functionName, - mprCreateCFunctionVar(fn, thisPtr, flags)); - ejsUnlock(); - } else { - ejsWriteVarValue(eid, functionName, - mprCreateCFunctionVar(fn, thisPtr, flags)); - } -} - -/******************************************************************************/ -/* - * Define a C function with String arguments - */ - -void ejsDefineStringCFunction(EjsId eid, const char *functionName, - MprStringCFunction fn, void *thisPtr, int flags) -{ - if (eid < 0) { - ejsLock(); - mprCreatePropertyValue(&master, functionName, - mprCreateStringCFunctionVar(fn, thisPtr, flags)); - ejsUnlock(); - } else { - ejsWriteVarValue(eid, functionName, - mprCreateStringCFunctionVar(fn, thisPtr, flags)); - } -} - -/******************************************************************************/ -/* - * Define a JavaScript function. Args should be comma separated. - * Body should not contain braces. - */ - -void ejsDefineFunction(EjsId eid, const char *functionName, char *args, - char *body) -{ - MprVar v; - - v = mprCreateFunctionVar(args, body, 0); - if (eid < 0) { - ejsLock(); - mprCreateProperty(&master, functionName, &v); - ejsUnlock(); - } else { - ejsWriteVar(eid, functionName, &v); - } - mprDestroyVar(&v); -} - -/******************************************************************************/ - -void *ejsGetThisPtr(EjsId eid) -{ - Ejs *ep; - - if ((ep = ejsPtr(eid)) == NULL) { - mprAssert(ep); - return 0; - } - return ep->thisPtr; -} - -/******************************************************************************/ -/* - * Find a variable given a variable name and return the parent object and - * the variable itself, the variable . This routine supports variable names - * that may be objects or arrays but may NOT have expressions in the array - * indicies. Returns -1 on errors or if the variable is not found. - */ - -int ejsGetVarCore(Ejs *ep, const char *vname, MprVar **obj, - MprVar **varValue, int flags) -{ - MprVar *currentObj; - MprVar *currentVar; - char tokBuf[EJS_MAX_ID]; - char *propertyName, *token, *next, *cp, *varName; - - if (obj) { - *obj = 0; - } - if (varValue) { - *varValue = 0; - } - currentObj = ejsFindObj(ep, 0, vname, flags); - currentVar = 0; - propertyName = 0; - - next = varName = mprStrdup(vname); - - token = getNextVarToken(&next, tokBuf, sizeof(tokBuf)); - - while (currentObj != 0 && token != 0 && *token) { - - if (*token == '[') { - token = getNextVarToken(&next, tokBuf, sizeof(tokBuf)); - - propertyName = token; - if (*propertyName == '\"') { - propertyName++; - if ((cp = strchr(propertyName, '\"')) != 0) { - *cp = '\0'; - } - } else if (*propertyName == '\'') { - propertyName++; - if ((cp = strchr(propertyName, '\'')) != 0) { - *cp = '\0'; - } - } - - currentObj = currentVar; - currentVar = ejsFindProperty(ep, 0, currentObj, propertyName, 0); - - token = getNextVarToken(&next, tokBuf, sizeof(tokBuf)); - if (*token != ']') { - mprFree(varName); - return -1; - } - - } else if (*token == '.') { - token = getNextVarToken(&next, tokBuf, sizeof(tokBuf)); - if (!isalpha((int) token[0]) && - token[0] != '_' && token[0] != '$') { - mprFree(varName); - return -1; - } - - propertyName = token; - currentObj = currentVar; - currentVar = ejsFindProperty(ep, 0, currentObj, token, 0); - - } else { - currentVar = ejsFindProperty(ep, 0, currentObj, token, 0); - } - token = getNextVarToken(&next, tokBuf, sizeof(tokBuf)); - } - mprFree(varName); - - if (currentVar == 0 && currentObj >= 0 && flags & EJS_FLAGS_CREATE) { - currentVar = mprCreatePropertyValue(currentObj, propertyName, - mprCreateUndefinedVar()); - } - if (obj) { - *obj = currentObj; - } - - /* - * Don't use mprCopyVar as it will copy the data - */ - if (varValue) { - *varValue = currentVar; - } - return currentVar ? 0 : -1; -} - -/******************************************************************************/ -/* - * Get the next token as part of a variable specification. This will return - * a pointer to the next token and will return a pointer to the next token - * (after this one) in "next". The tokBuf holds the parsed token. - */ -static char *getNextVarToken(char **next, char *tokBuf, int tokBufLen) -{ - char *start, *cp; - int len; - - start = *next; - while (isspace((int) *start) || *start == '\n' || *start == '\r') { - start++; - } - cp = start; - - if (*cp == '.' || *cp == '[' || *cp == ']') { - cp++; - } else { - while (*cp && *cp != '.' && *cp != '[' && *cp != ']' && - !isspace((int) *cp) && *cp != '\n' && *cp != '\r') { - cp++; - } - } - len = mprMemcpy(tokBuf, tokBufLen - 1, start, cp - start); - tokBuf[len] = '\0'; - - *next = cp; - return tokBuf; -} - -/******************************************************************************/ -/* - * Get the EJS structure pointer - */ - -Ejs *ejsPtr(EjsId eid) -{ - Ejs *handle; - int intId; - - intId = (int) eid; - - ejsLock(); - mprAssert(0 <= intId && intId < ejsList->max); - - if (intId < 0 || intId >= ejsList->max || ejsList->handles[intId] == NULL) { - mprAssert(0); - ejsUnlock(); - return NULL; - } - handle = ejsList->handles[intId]; - ejsUnlock(); - return handle; -} - -/******************************************************************************/ -/* - * Utility routine to crack JavaScript arguments. Return the number of args - * seen. This routine only supports %s and %d type args. - * - * Typical usage: - * - * if (ejsParseArgs(argc, argv, "%s %d", &name, &age) < 2) { - * mprError("Insufficient args\n"); - * return -1; - * } - */ - -int ejsParseArgs(int argc, char **argv, char *fmt, ...) -{ - va_list vargs; - bool *bp; - char *cp, **sp, *s; - int *ip, argn; - - va_start(vargs, fmt); - - if (argv == 0) { - return 0; - } - - for (argn = 0, cp = fmt; cp && *cp && argn < argc && argv[argn]; ) { - if (*cp++ != '%') { - continue; - } - - s = argv[argn]; - switch (*cp) { - case 'b': - bp = va_arg(vargs, bool*); - if (bp) { - if (strcmp(s, "true") == 0 || s[0] == '1') { - *bp = 1; - } else { - *bp = 0; - } - } else { - *bp = 0; - } - break; - - case 'd': - ip = va_arg(vargs, int*); - *ip = atoi(s); - break; - - case 's': - sp = va_arg(vargs, char**); - *sp = s; - break; - - default: - mprAssert(0); - } - argn++; - } - - va_end(vargs); - return argn; -} - -/******************************************************************************/ - -#else -void ejsDummy() {} - -/******************************************************************************/ -#endif /* BLD_FEATURE_EJS */ - -/******************************************************************************/ -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim:tw=78 - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |