78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
// SPDX-FileCopyrightText: 2021 RizinOrg <info@rizin.re>
|
|
// SPDX-FileCopyrightText: 2021 deroad <wargio@libero.it>
|
|
// SPDX-License-Identifier: LGPL-3.0-only
|
|
|
|
/* Helpers for handling lines */
|
|
#define DIFF_IS_LINES_METHOD(x) (x.elem_at == methods_lines.elem_at)
|
|
|
|
static RzList /*<char *>*/ *tokenize_lines(const char *string) {
|
|
RzList *lines = NULL;
|
|
size_t last = 0;
|
|
size_t size = 0;
|
|
char *line = NULL;
|
|
|
|
lines = rz_list_newf((RzListFree)free);
|
|
if (!lines) {
|
|
RZ_LOG_ERROR("rz_diff_line_new: cannot allocate list of lines\n");
|
|
goto tokenize_newlines_fail;
|
|
}
|
|
|
|
size = strlen(string);
|
|
for (size_t i = 0; i < size; ++i) {
|
|
if (string[i] == '\n') {
|
|
line = rz_str_ndup(string + last, (i + 1) - last);
|
|
if (!line || !rz_list_append(lines, line)) {
|
|
RZ_LOG_ERROR("rz_diff_line_new: cannot allocate line or add it to the list\n");
|
|
free(line);
|
|
goto tokenize_newlines_fail;
|
|
}
|
|
last = i + 1;
|
|
}
|
|
}
|
|
|
|
if (last < size) {
|
|
line = rz_str_ndup(string + last, size - last);
|
|
if (!line || !rz_list_append(lines, line)) {
|
|
RZ_LOG_ERROR("rz_diff_line_new: cannot allocate last line or add it to the list\n");
|
|
free(line);
|
|
goto tokenize_newlines_fail;
|
|
}
|
|
}
|
|
|
|
return lines;
|
|
|
|
tokenize_newlines_fail:
|
|
rz_list_free(lines);
|
|
return NULL;
|
|
}
|
|
|
|
static const void *line_elem_at(const RzList /*<char *>*/ *array, ut32 index) {
|
|
return rz_list_get_n(array, index);
|
|
}
|
|
|
|
static int line_compare(const char *a_elem, const char *b_elem) {
|
|
return strcmp(a_elem, b_elem);
|
|
}
|
|
|
|
static ut32 line_hash(const char *elem) {
|
|
ut32 size = strlen(elem);
|
|
return rz_diff_hash_data((const ut8 *)elem, size);
|
|
}
|
|
|
|
static void line_stringify(const char *a_elem, RzStrBuf *sb) {
|
|
rz_strbuf_set(sb, a_elem);
|
|
}
|
|
|
|
static void line_free(RzList /*<char *>*/ *array) {
|
|
rz_list_free(array);
|
|
}
|
|
|
|
static const MethodsInternal methods_lines = {
|
|
.elem_at /* */ = (RzDiffMethodElemAt)line_elem_at,
|
|
.elem_hash /* */ = (RzDiffMethodElemHash)line_hash,
|
|
.compare /* */ = (RzDiffMethodCompare)line_compare,
|
|
.stringify /* */ = (RzDiffMethodStringify)line_stringify,
|
|
.ignore /* */ = fake_ignore,
|
|
.free /* */ = (RzDiffMethodFree)line_free,
|
|
.find_longest_match = generic_find_longest_match,
|
|
};
|