From ec688b4723a041044226358bcd4dd6e2da39da49 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 23 Feb 2017 17:01:02 +0100 Subject: Initial commit: cframework. Longbow and Libparc Change-Id: I90378dbd30da6033b20fb1f829b3b822cf366c59 Signed-off-by: Luca Muscariello --- longbow/src/LongBow/private/longBow_String.c | 180 +++++++++++++++++++++++++++ 1 file changed, 180 insertions(+) create mode 100644 longbow/src/LongBow/private/longBow_String.c (limited to 'longbow/src/LongBow/private/longBow_String.c') diff --git a/longbow/src/LongBow/private/longBow_String.c b/longbow/src/LongBow/private/longBow_String.c new file mode 100644 index 00000000..1def87a1 --- /dev/null +++ b/longbow/src/LongBow/private/longBow_String.c @@ -0,0 +1,180 @@ +/* + * Copyright (c) 2017 Cisco and/or its affiliates. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + */ +#include "config.h" + +#include +#include +#include + +#include +#include + +struct longbow_string { + char *buffer; + size_t cursor; // always the index of the nul terminating byte of the stored string. + size_t end; // always the index of the very last byte in buffer; +}; + +static size_t +_longBowString_RemainingSpace(const LongBowString *string) +{ + size_t result = string->end - string->cursor; + + return result; +} + +LongBowString * +longBowString_Create(const size_t initialSize) +{ + LongBowString *result = longBowMemory_Allocate(sizeof(LongBowString)); + result->end = initialSize; + result->buffer = longBowMemory_Allocate(initialSize); + result->cursor = 0; + + return result; +} + +LongBowString * +longBowString_CreateString(const char *string) +{ + LongBowString *result = longBowMemory_Allocate(sizeof(LongBowString)); + result->end = strlen(string) + 1; + result->buffer = longBowMemory_StringCopy(string); + result->cursor = result->end - 1; + result->buffer[result->cursor] = 0; + + return result; +} + +LongBowString * +longBowString_CreateFormat(const char *format, ...) +{ + va_list ap; + va_start(ap, format); + char *cString; + if (vasprintf(&cString, format, ap) == -1) { + return NULL; + } + va_end(ap); + + LongBowString *string = longBowString_CreateString(cString); + + free(cString); + + return string; +} + +void +longBowString_Destroy(LongBowString **stringPtr) +{ + LongBowString *string = *stringPtr; + if (string != NULL) { + longBowMemory_Deallocate((void **) &string->buffer); + longBowMemory_Deallocate((void **) stringPtr); + } +} + +LongBowString * +longBowString_Append(LongBowString *string, const char *value) +{ + size_t length = strlen(value) + 1; + + if (_longBowString_RemainingSpace(string) < length) { + size_t size = string->end + length; + string->buffer = longBowMemory_Reallocate(string->buffer, size); + string->end = size - 1; + } + strcpy(&string->buffer[string->cursor], value); + string->cursor += (length - 1); + string->buffer[string->cursor] = 0; + + return string; +} + +LongBowString * +longBowString_Format(LongBowString *string, const char *format, ...) +{ + LongBowString *result = NULL; + + va_list ap; + va_start(ap, format); + + char *cString; + int status = vasprintf(&cString, format, ap); + va_end(ap); + if (status != -1) { + result = longBowString_Append(string, cString); + free(cString); + } else { + result = NULL; + } + + return result; +} + +char * +longBowString_ToString(const LongBowString *string) +{ + char *result = strndup(string->buffer, string->end); + return result; +} + +bool +longBowString_StartsWith(const char *string, const char *prefix) +{ + bool result = strncmp(string, prefix, strlen(prefix)) == 0; + return result; +} + +bool +longBowString_Equals(const char *string, const char *other) +{ + return strcmp(string, other) == 0; +} + +bool +longBowString_Write(const LongBowString *string, FILE *fp) +{ + bool result = false; + size_t nwrite = string->end; + + if (fwrite(string->buffer, sizeof(char), string->end, fp) == nwrite) { + result = true; + } + + return result; +} + +LongBowArrayList * +longBowString_Tokenise(const char *string, const char *separators) +{ + LongBowArrayList *result = longBowArrayList_Create(longBowMemory_Deallocate); + if (string != NULL) { + char *workingCopy = longBowMemory_StringCopy(string); + + char *p = strtok(workingCopy, separators); + while (p) { + longBowArrayList_Add(result, longBowMemory_StringCopy(p)); + p = strtok(NULL, separators); + } + + longBowMemory_Deallocate((void **) &workingCopy); + } + + return result; +} -- cgit 1.2.3-korg