1251881Speter/** 2251881Speter * @copyright 3251881Speter * ==================================================================== 4251881Speter * Licensed to the Apache Software Foundation (ASF) under one 5251881Speter * or more contributor license agreements. See the NOTICE file 6251881Speter * distributed with this work for additional information 7251881Speter * regarding copyright ownership. The ASF licenses this file 8251881Speter * to you under the Apache License, Version 2.0 (the 9251881Speter * "License"); you may not use this file except in compliance 10251881Speter * with the License. You may obtain a copy of the License at 11251881Speter * 12251881Speter * http://www.apache.org/licenses/LICENSE-2.0 13251881Speter * 14251881Speter * Unless required by applicable law or agreed to in writing, 15251881Speter * software distributed under the License is distributed on an 16251881Speter * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17251881Speter * KIND, either express or implied. See the License for the 18251881Speter * specific language governing permissions and limitations 19251881Speter * under the License. 20251881Speter * ==================================================================== 21251881Speter * @endcopyright 22251881Speter */ 23251881Speter 24251881Speter 25251881Speter#ifndef SVN_DIFF_PRIVATE_H 26251881Speter#define SVN_DIFF_PRIVATE_H 27251881Speter 28251881Speter#include <apr_pools.h> 29251881Speter#include <apr_tables.h> 30251881Speter 31251881Speter#include "svn_types.h" 32251881Speter#include "svn_io.h" 33251881Speter 34251881Speter#ifdef __cplusplus 35251881Speterextern "C" { 36251881Speter#endif /* __cplusplus */ 37251881Speter 38251881Speter 39251881Speter 40251881Speter/* The separator string used below the "Index:" or similar line of 41251881Speter * Subversion's Unidiff-like diff format. */ 42251881Speter#define SVN_DIFF__EQUAL_STRING \ 43251881Speter "===================================================================" 44251881Speter 45251881Speter/* The separator string used below the "Properties on ..." line of 46251881Speter * Subversion's Unidiff-like diff format. */ 47251881Speter#define SVN_DIFF__UNDER_STRING \ 48251881Speter "___________________________________________________________________" 49251881Speter 50251881Speter/* The string used to mark a line in a hunk that doesn't end with a newline, 51251881Speter * when diffing a file. Intentionally not marked for translation, for wider 52251881Speter * interoperability with patch(1) programs. */ 53251881Speter#define SVN_DIFF__NO_NEWLINE_AT_END_OF_FILE \ 54251881Speter "\\ No newline at end of file" 55251881Speter 56251881Speter/* The string used to mark a line in a hunk that doesn't end with a newline, 57251881Speter * when diffing a Subversion property. */ 58251881Speter#define SVN_DIFF__NO_NEWLINE_AT_END_OF_PROPERTY \ 59251881Speter "\\ No newline at end of property" 60251881Speter 61251881Speter/* Write a unidiff "---" and "+++" header to OUTPUT_STREAM. 62251881Speter * 63251881Speter * Write "---" followed by a space and OLD_HEADER and a newline, 64251881Speter * then "+++" followed by a space and NEW_HEADER and a newline. 65251881Speter * 66251881Speter * The text will be encoded into HEADER_ENCODING. 67251881Speter */ 68251881Spetersvn_error_t * 69251881Spetersvn_diff__unidiff_write_header(svn_stream_t *output_stream, 70251881Speter const char *header_encoding, 71251881Speter const char *old_header, 72251881Speter const char *new_header, 73251881Speter apr_pool_t *scratch_pool); 74251881Speter 75251881Speter/* Display property changes in pseudo-Unidiff format. 76251881Speter * 77251881Speter * Write to @a outstream the changes described by @a propchanges based on 78251881Speter * original properties @a original_props. 79251881Speter * 80251881Speter * Write all mark-up text (headers and so on) using the character encoding 81251881Speter * @a encoding. 82251881Speter * 83251881Speter * ### I think the idea is: we want the output to use @a encoding, and 84251881Speter * we will assume the text of the user's files and the values of any 85251881Speter * user-defined properties are already using @a encoding, so we don't 86251881Speter * want to re-code the *whole* output. 87251881Speter * So, shouldn't we also convert all prop names and all 'svn:*' prop 88251881Speter * values to @a encoding, since we know those are stored in UTF-8? 89251881Speter * 90251881Speter * @a original_props is a hash mapping (const char *) property names to 91251881Speter * (svn_string_t *) values. @a propchanges is an array of svn_prop_t 92251881Speter * representing the new values for any of the properties that changed, with 93251881Speter * a NULL value to represent deletion. 94251881Speter * 95251881Speter * If @a pretty_print_mergeinfo is true, then describe 'svn:mergeinfo' 96251881Speter * property changes in a human-readable form that says what changes were 97251881Speter * merged or reverse merged; otherwise (or if the mergeinfo property values 98251881Speter * don't parse correctly) display them just like any other property. 99251881Speter * 100289180Speter * Pass @a context_size, @a cancel_func and @a cancel_baton to the diff 101289180Speter * output functions. 102289180Speter * 103286506Speter * Use @a scratch_pool for temporary allocations. 104251881Speter */ 105251881Spetersvn_error_t * 106251881Spetersvn_diff__display_prop_diffs(svn_stream_t *outstream, 107251881Speter const char *encoding, 108251881Speter const apr_array_header_t *propchanges, 109251881Speter apr_hash_t *original_props, 110251881Speter svn_boolean_t pretty_print_mergeinfo, 111289180Speter int context_size, 112289180Speter svn_cancel_func_t cancel_func, 113289180Speter void *cancel_baton, 114286506Speter apr_pool_t *scratch_pool); 115251881Speter 116362181Sdim/** Create a hunk object that adds a single line without newline. Return the 117362181Sdim * new object in @a *hunk. 118362181Sdim * 119362181Sdim * @a line is the added text, without a trailing newline. 120362181Sdim * 121362181Sdim * The hunk will be associated with @a patch. 122362181Sdim */ 123362181Sdimsvn_error_t * 124362181Sdimsvn_diff_hunk__create_adds_single_line(svn_diff_hunk_t **hunk, 125362181Sdim const char *line, 126362181Sdim const svn_patch_t *patch, 127362181Sdim apr_pool_t *result_pool, 128362181Sdim apr_pool_t *scratch_pool); 129251881Speter 130362181Sdim/** Create a hunk object that deletes a single line without newline. Return 131362181Sdim * the new object in @a *hunk. 132362181Sdim * 133362181Sdim * @a line is the deleted text, without a trailing newline. 134362181Sdim * 135362181Sdim * The hunk will be associated with @a patch. 136362181Sdim */ 137362181Sdimsvn_error_t * 138362181Sdimsvn_diff_hunk__create_deletes_single_line(svn_diff_hunk_t **hunk, 139362181Sdim const char *line, 140362181Sdim const svn_patch_t *patch, 141362181Sdim apr_pool_t *result_pool, 142362181Sdim apr_pool_t *scratch_pool); 143362181Sdim 144362181Sdim/** Fetches the penalty fuzz of the diff hunk. The patch file parser applies 145362181Sdim * an additional penalty on some cases of bad patch files. These cases may 146362181Sdim * include errors as headers that aren't consistent with bodies, etc. 147362181Sdim */ 148362181Sdimsvn_linenum_t 149362181Sdimsvn_diff_hunk__get_fuzz_penalty(const svn_diff_hunk_t *hunk); 150362181Sdim 151251881Speter#ifdef __cplusplus 152251881Speter} 153251881Speter#endif /* __cplusplus */ 154251881Speter 155251881Speter#endif /* SVN_DIFF_PRIVATE_H */ 156