+++ /dev/null
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "properties.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-UcxProperties *ucx_properties_new() {
- UcxProperties *parser = (UcxProperties*)malloc(
- sizeof(UcxProperties));
- if(!parser) {
- return NULL;
- }
-
- parser->buffer = NULL;
- parser->buflen = 0;
- parser->pos = 0;
- parser->tmp = NULL;
- parser->tmplen = 0;
- parser->tmpcap = 0;
- parser->error = 0;
- parser->delimiter = '=';
- parser->comment1 = '#';
- parser->comment2 = 0;
- parser->comment3 = 0;
-
- return parser;
-}
-
-void ucx_properties_free(UcxProperties *parser) {
- if(parser->tmp) {
- free(parser->tmp);
- }
- free(parser);
-}
-
-void ucx_properties_fill(UcxProperties *parser, char *buf, size_t len) {
- parser->buffer = buf;
- parser->buflen = len;
- parser->pos = 0;
-}
-
-static void parser_tmp_append(UcxProperties *parser, char *buf, size_t len) {
- if(parser->tmpcap - parser->tmplen < len) {
- size_t newcap = parser->tmpcap + len + 64;
- parser->tmp = (char*)realloc(parser->tmp, newcap);
- parser->tmpcap = newcap;
- }
- memcpy(parser->tmp + parser->tmplen, buf, len);
- parser->tmplen += len;
-}
-
-int ucx_properties_next(UcxProperties *parser, cxstring *name, cxstring *value) {
- if(parser->tmplen > 0) {
- char *buf = parser->buffer + parser->pos;
- size_t len = parser->buflen - parser->pos;
- cxstring str = cx_strn(buf, len);
- cxstring nl = cx_strchr(str, '\n');
- if(nl.ptr) {
- size_t newlen = (size_t)(nl.ptr - buf) + 1;
- parser_tmp_append(parser, buf, newlen);
- // the tmp buffer contains exactly one line now
-
- char *orig_buf = parser->buffer;
- size_t orig_len = parser->buflen;
-
- parser->buffer = parser->tmp;
- parser->buflen = parser->tmplen;
- parser->pos = 0;
- parser->tmp = NULL;
- parser->tmpcap = 0;
- parser->tmplen = 0;
- // run ucx_properties_next with the tmp buffer as main buffer
- int ret = ucx_properties_next(parser, name, value);
-
- // restore original buffer
- parser->tmp = parser->buffer;
- parser->buffer = orig_buf;
- parser->buflen = orig_len;
- parser->pos = newlen;
-
- /*
- * if ret == 0 the tmp buffer contained just space or a comment
- * we parse again with the original buffer to get a name/value
- * or a new tmp buffer
- */
- return ret ? ret : ucx_properties_next(parser, name, value);
- } else {
- parser_tmp_append(parser, buf, len);
- return 0;
- }
- } else if(parser->tmp) {
- free(parser->tmp);
- parser->tmp = NULL;
- }
-
- char comment1 = parser->comment1;
- char comment2 = parser->comment2;
- char comment3 = parser->comment3;
- char delimiter = parser->delimiter;
-
- // get one line and parse it
- while(parser->pos < parser->buflen) {
- char *buf = parser->buffer + parser->pos;
- size_t len = parser->buflen - parser->pos;
-
- /*
- * First we check if we have at least one line. We also get indices of
- * delimiter and comment chars
- */
- size_t delimiter_index = 0;
- size_t comment_index = 0;
- int has_comment = 0;
-
- size_t i = 0;
- char c = 0;
- for(;i<len;i++) {
- c = buf[i];
- if(c == comment1 || c == comment2 || c == comment3) {
- if(comment_index == 0) {
- comment_index = i;
- has_comment = 1;
- }
- } else if(c == delimiter) {
- if(delimiter_index == 0 && !has_comment) {
- delimiter_index = i;
- }
- } else if(c == '\n') {
- break;
- }
- }
-
- if(c != '\n') {
- // we don't have enough data for a line
- // store remaining bytes in temporary buffer for next round
- parser->tmpcap = len + 128;
- parser->tmp = (char*)malloc(parser->tmpcap);
- parser->tmplen = len;
- memcpy(parser->tmp, buf, len);
- return 0;
- }
-
- cxstring line = has_comment ? cx_strn(buf, comment_index) : cx_strn(buf, i);
- // check line
- if(delimiter_index == 0) {
- line = cx_strtrim(line);
- if(line.length != 0) {
- parser->error = 1;
- }
- } else {
- cxstring n = cx_strn(buf, delimiter_index);
- cxstring v = cx_strn(
- buf + delimiter_index + 1,
- line.length - delimiter_index - 1);
- n = cx_strtrim(n);
- v = cx_strtrim(v);
- if(n.length != 0 || v.length != 0) {
- *name = n;
- *value = v;
- parser->pos += i + 1;
- return 1;
- } else {
- parser->error = 1;
- }
- }
-
- parser->pos += i + 1;
- }
-
- return 0;
-}
-
-int ucx_properties2map(UcxProperties *parser, CxMap *map) {
- cxstring name;
- cxstring value;
- while(ucx_properties_next(parser, &name, &value)) {
- cxmutstr mutvalue = cx_strdup_a(map->collection.allocator, value);
- if(!mutvalue.ptr) {
- return 1;
- }
- if(cxMapPut(map, cx_hash_key_cxstr(name), mutvalue.ptr)) {
- cxFree(map->collection.allocator, mutvalue.ptr);
- return 1;
- }
- }
- if (parser->error) {
- return parser->error;
- } else {
- return 0;
- }
-}
-
-// buffer size is documented - change doc, when you change bufsize!
-#define UCX_PROPLOAD_BUFSIZE 1024
-int ucx_properties_load(CxMap *map, FILE *file) {
- UcxProperties *parser = ucx_properties_new();
- if(!(parser && map && file)) {
- return 1;
- }
-
- int error = 0;
- size_t r;
- char buf[UCX_PROPLOAD_BUFSIZE];
- while((r = fread(buf, 1, UCX_PROPLOAD_BUFSIZE, file)) != 0) {
- ucx_properties_fill(parser, buf, r);
- error = ucx_properties2map(parser, map);
- if (error) {
- break;
- }
- }
- ucx_properties_free(parser);
- return error;
-}
-
-int ucx_properties_store(CxMap *map, FILE *file) {
- CxMapIterator iter = cxMapIterator(map);
- cxstring value;
- size_t written;
-
- cx_foreach(CxMapEntry *, v, iter) {
- value = cx_str(v->value);
-
- written = 0;
- written += fwrite(v->key->data, 1, v->key->len, file);
- written += fwrite(" = ", 1, 3, file);
- written += fwrite(value.ptr, 1, value.length, file);
- written += fwrite("\n", 1, 1, file);
-
- if (written != v->key->len + value.length + 4) {
- return 1;
- }
- }
-
- return 0;
-}
-
+++ /dev/null
-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- *
- * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-/**
- * @file properties.h
- *
- * Load / store utilities for properties files.
- *
- * @author Mike Becker
- * @author Olaf Wintermann
- */
-
-#ifndef UCX_PROPERTIES_H
-#define UCX_PROPERTIES_H
-
-#include <cx/hash_map.h>
-#include <cx/string.h>
-
-#include <stdio.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * UcxProperties object for parsing properties data.
- * Most of the fields are for internal use only. You may configure the
- * properties parser, e.g. by changing the used delimiter or specifying
- * up to three different characters that shall introduce comments.
- */
-typedef struct {
- /**
- * Input buffer (don't set manually).
- * Automatically set by calls to ucx_properties_fill().
- */
- char *buffer;
-
- /**
- * Length of the input buffer (don't set manually).
- * Automatically set by calls to ucx_properties_fill().
- */
- size_t buflen;
-
- /**
- * Current buffer position (don't set manually).
- * Used by ucx_properties_next().
- */
- size_t pos;
-
- /**
- * Internal temporary buffer (don't set manually).
- * Used by ucx_properties_next().
- */
- char *tmp;
-
- /**
- * Internal temporary buffer length (don't set manually).
- * Used by ucx_properties_next().
- */
- size_t tmplen;
-
- /**
- * Internal temporary buffer capacity (don't set manually).
- * Used by ucx_properties_next().
- */
- size_t tmpcap;
-
- /**
- * Parser error code.
- * This is always 0 on success and a nonzero value on syntax errors.
- * The value is set by ucx_properties_next().
- */
- int error;
-
- /**
- * The delimiter that shall be used.
- * This is '=' by default.
- */
- char delimiter;
-
- /**
- * The first comment character.
- * This is '#' by default.
- */
- char comment1;
-
- /**
- * The second comment character.
- * This is not set by default.
- */
- char comment2;
-
- /**
- * The third comment character.
- * This is not set by default.
- */
- char comment3;
-} UcxProperties;
-
-
-/**
- * Constructs a new UcxProperties object.
- * @return a pointer to the new UcxProperties object
- */
-UcxProperties *ucx_properties_new();
-
-/**
- * Destroys a UcxProperties object.
- * @param prop the UcxProperties object to destroy
- */
-void ucx_properties_free(UcxProperties *prop);
-
-/**
- * Sets the input buffer for the properties parser.
- *
- * After calling this function, you may parse the data by calling
- * ucx_properties_next() until it returns 0. The function ucx_properties2map()
- * is a convenience function that reads as much data as possible by using this
- * function.
- *
- *
- * @param prop the UcxProperties object
- * @param buf a pointer to the new buffer
- * @param len the payload length of the buffer
- * @see ucx_properties_next()
- * @see ucx_properties2map()
- */
-void ucx_properties_fill(UcxProperties *prop, char *buf, size_t len);
-
-/**
- * Retrieves the next key/value-pair.
- *
- * This function returns a nonzero value as long as there are key/value-pairs
- * found. If no more key/value-pairs are found, you may refill the input buffer
- * with ucx_properties_fill().
- *
- * <b>Attention:</b> the cxstring.ptr pointers of the output parameters point to
- * memory within the input buffer of the parser and will get invalid some time.
- * If you want long term copies of the key/value-pairs, use sstrdup() after
- * calling this function.
- *
- * @param prop the UcxProperties object
- * @param name a pointer to the cxstring that shall contain the property name
- * @param value a pointer to the cxstring that shall contain the property value
- * @return Nonzero, if a key/value-pair was successfully retrieved
- * @see ucx_properties_fill()
- */
-int ucx_properties_next(UcxProperties *prop, cxstring *name, cxstring *value);
-
-/**
- * Retrieves all available key/value-pairs and puts them into a UcxMap.
- *
- * This is done by successive calls to ucx_properties_next() until no more
- * key/value-pairs can be retrieved.
- *
- * The memory for the map values is allocated by the map's own allocator.
- *
- * @param prop the UcxProperties object
- * @param map the target map
- * @return The UcxProperties.error code (i.e. 0 on success).
- * @see ucx_properties_fill()
- * @see UcxMap.allocator
- */
-int ucx_properties2map(UcxProperties *prop, CxMap *map);
-
-/**
- * Loads a properties file to a UcxMap.
- *
- * This is a convenience function that reads data from an input
- * stream until the end of the stream is reached.
- *
- * @param map the map object to write the key/value-pairs to
- * @param file the <code>FILE*</code> stream to read from
- * @return 0 on success, or a non-zero value on error
- *
- * @see ucx_properties_fill()
- * @see ucx_properties2map()
- */
-int ucx_properties_load(CxMap *map, FILE *file);
-
-/**
- * Stores a UcxMap to a file.
- *
- * The key/value-pairs are written by using the following format:
- *
- * <code>[key] = [value]\\n</code>
- *
- * @param map the map to store
- * @param file the <code>FILE*</code> stream to write to
- * @return 0 on success, or a non-zero value on error
- */
-int ucx_properties_store(CxMap *map, FILE *file);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* UCX_PROPERTIES_H */
-
https://uap-core.de/git / uwplayer.git / commitdiff