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comparison: intl/icu/source/tools/toolutil/package.h

intl/icu/source/tools/toolutil/package.h

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1 /*
2 *******************************************************************************
3 *
4 * Copyright (C) 2005-2013, International Business Machines
5 * Corporation and others. All Rights Reserved.
6 *
7 *******************************************************************************
8 * file name: package.h
9 * encoding: US-ASCII
10 * tab size: 8 (not used)
11 * indentation:4
12 *
13 * created on: 2005aug25
14 * created by: Markus W. Scherer
15 *
16 * Read, modify, and write ICU .dat data package files.
17 */
18
19 #ifndef __PACKAGE_H__
20 #define __PACKAGE_H__
21
22 #include "unicode/utypes.h"
23
24 #include <stdio.h>
25
26 // .dat package file representation ---------------------------------------- ***
27
28 #define STRING_STORE_SIZE 100000
29 #define MAX_PKG_NAME_LENGTH 32
30
31 typedef void CheckDependency(void *context, const char *itemName, const char *targetName);
32
33 U_NAMESPACE_BEGIN
34
35 struct Item {
36 char *name;
37 uint8_t *data;
38 int32_t length;
39 UBool isDataOwned;
40 char type;
41 };
42
43 class U_TOOLUTIL_API Package {
44 public:
45 /*
46 * Constructor.
47 * Prepare this object for a new, empty package.
48 */
49 Package();
50
51 /* Destructor. */
52 ~Package();
53
54 /**
55 * Uses the prefix of the first entry of the package in readPackage(),
56 * rather than the package basename.
57 */
58 void setAutoPrefix() { doAutoPrefix=TRUE; }
59 /**
60 * Same as setAutoPrefix(), plus the prefix must end with the platform type letter.
61 */
62 void setAutoPrefixWithType() {
63 doAutoPrefix=TRUE;
64 prefixEndsWithType=TRUE;
65 }
66 void setPrefix(const char *p);
67
68 /*
69 * Read an existing .dat package file.
70 * The header and item name strings are swapped into this object,
71 * but the items are left unswapped.
72 */
73 void readPackage(const char *filename);
74 /*
75 * Write a .dat package file with the items in this object.
76 * Swap all pieces to the desired output platform properties.
77 * The package becomes unusable:
78 * The item names are swapped and sorted in the outCharset rather than the local one.
79 * Also, the items themselves are swapped in-place
80 */
81 void writePackage(const char *filename, char outType, const char *comment);
82
83 /*
84 * Return the input data type letter (l, b, or e).
85 */
86 char getInType();
87
88 // find the item in items[], return the non-negative index if found, else the binary-not of the insertion point
89 int32_t findItem(const char *name, int32_t length=-1) const;
90
91 /*
92 * Set internal state for following calls to findNextItem() which will return
93 * indexes for items whose names match the pattern.
94 */
95 void findItems(const char *pattern);
96 int32_t findNextItem();
97 /*
98 * Set the match mode for findItems() & findNextItem().
99 * @param mode 0=default
100 * MATCH_NOSLASH * does not match a '/'
101 */
102 void setMatchMode(uint32_t mode);
103
104 enum {
105 MATCH_NOSLASH=1
106 };
107
108 void addItem(const char *name);
109 void addItem(const char *name, uint8_t *data, int32_t length, UBool isDataOwned, char type);
110 void addFile(const char *filesPath, const char *name);
111 void addItems(const Package &listPkg);
112
113 void removeItem(int32_t itemIndex);
114 void removeItems(const char *pattern);
115 void removeItems(const Package &listPkg);
116
117 /* The extractItem() functions accept outputType=0 to mean "don't swap the item". */
118 void extractItem(const char *filesPath, int32_t itemIndex, char outType);
119 void extractItems(const char *filesPath, const char *pattern, char outType);
120 void extractItems(const char *filesPath, const Package &listPkg, char outType);
121
122 /* This variant extracts an item to a specific filename. */
123 void extractItem(const char *filesPath, const char *outName, int32_t itemIndex, char outType);
124
125 int32_t getItemCount() const;
126 const Item *getItem(int32_t idx) const;
127
128 /*
129 * Check dependencies and return TRUE if all dependencies are fulfilled.
130 */
131 UBool checkDependencies();
132
133 /*
134 * Enumerate all the dependencies and give the results to context and call CheckDependency callback
135 * @param context user context (will be passed to check function)
136 * @param check will be called with context and any missing items
137 */
138 void enumDependencies(void *context, CheckDependency check);
139
140 private:
141 void enumDependencies(Item *pItem, void *context, CheckDependency check);
142
143 /**
144 * Default CheckDependency function used by checkDependencies()
145 */
146 static void checkDependency(void *context, const char *itemName, const char *targetName);
147
148 /*
149 * Allocate a string in inStrings or outStrings.
150 * The length does not include the terminating NUL.
151 */
152 char *allocString(UBool in, int32_t length);
153
154 void sortItems();
155
156 // data fields
157 char inPkgName[MAX_PKG_NAME_LENGTH];
158 char pkgPrefix[MAX_PKG_NAME_LENGTH];
159
160 uint8_t *inData;
161 uint8_t header[1024];
162 int32_t inLength, headerLength;
163 uint8_t inCharset;
164 UBool inIsBigEndian;
165 UBool doAutoPrefix;
166 UBool prefixEndsWithType;
167
168 int32_t itemCount;
169 int32_t itemMax;
170 Item *items;
171
172 int32_t inStringTop, outStringTop;
173 char inStrings[STRING_STORE_SIZE], outStrings[STRING_STORE_SIZE];
174
175 // match mode for findItems(pattern) and findNextItem()
176 uint32_t matchMode;
177
178 // state for findItems(pattern) and findNextItem()
179 const char *findPrefix, *findSuffix;
180 int32_t findPrefixLength, findSuffixLength;
181 int32_t findNextIndex;
182
183 // state for checkDependencies()
184 UBool isMissingItems;
185
186 /**
187 * Grow itemMax to new value
188 */
189 void setItemCapacity(int32_t max);
190
191 /**
192 * Grow itemMax to at least itemCount+1
193 */
194 void ensureItemCapacity();
195 };
196
197 U_NAMESPACE_END
198
199 #endif
200
201

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