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Diffstat (limited to 'intl/icu/source/tools/toolutil/package.h')
| -rw-r--r-- | intl/icu/source/tools/toolutil/package.h | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/intl/icu/source/tools/toolutil/package.h b/intl/icu/source/tools/toolutil/package.h new file mode 100644 index 0000000000..ea60c13a74 --- /dev/null +++ b/intl/icu/source/tools/toolutil/package.h @@ -0,0 +1,203 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* +* Copyright (C) 2005-2014, International Business Machines +* Corporation and others. All Rights Reserved. +* +******************************************************************************* +* file name: package.h +* encoding: UTF-8 +* tab size: 8 (not used) +* indentation:4 +* +* created on: 2005aug25 +* created by: Markus W. Scherer +* +* Read, modify, and write ICU .dat data package files. +*/ + +#ifndef __PACKAGE_H__ +#define __PACKAGE_H__ + +#include "unicode/utypes.h" + +#include <stdio.h> + +// .dat package file representation ---------------------------------------- *** + +#define STRING_STORE_SIZE 100000 +#define MAX_PKG_NAME_LENGTH 64 + +typedef void CheckDependency(void *context, const char *itemName, const char *targetName); + +U_NAMESPACE_BEGIN + +struct Item { + char *name; + uint8_t *data; + int32_t length; + UBool isDataOwned; + char type; +}; + +class U_TOOLUTIL_API Package { +public: + /* + * Constructor. + * Prepare this object for a new, empty package. + */ + Package(); + + /* Destructor. */ + ~Package(); + + /** + * Uses the prefix of the first entry of the package in readPackage(), + * rather than the package basename. + */ + void setAutoPrefix() { doAutoPrefix=true; } + /** + * Same as setAutoPrefix(), plus the prefix must end with the platform type letter. + */ + void setAutoPrefixWithType() { + doAutoPrefix=true; + prefixEndsWithType=true; + } + void setPrefix(const char *p); + + /* + * Read an existing .dat package file. + * The header and item name strings are swapped into this object, + * but the items are left unswapped. + */ + void readPackage(const char *filename); + /* + * Write a .dat package file with the items in this object. + * Swap all pieces to the desired output platform properties. + * The package becomes unusable: + * The item names are swapped and sorted in the outCharset rather than the local one. + * Also, the items themselves are swapped in-place + */ + void writePackage(const char *filename, char outType, const char *comment); + + /* + * Return the input data type letter (l, b, or e). + */ + char getInType(); + + // find the item in items[], return the non-negative index if found, else the binary-not of the insertion point + int32_t findItem(const char *name, int32_t length=-1) const; + + /* + * Set internal state for following calls to findNextItem() which will return + * indexes for items whose names match the pattern. + */ + void findItems(const char *pattern); + int32_t findNextItem(); + /* + * Set the match mode for findItems() & findNextItem(). + * @param mode 0=default + * MATCH_NOSLASH * does not match a '/' + */ + void setMatchMode(uint32_t mode); + + enum { + MATCH_NOSLASH=1 + }; + + void addItem(const char *name); + void addItem(const char *name, uint8_t *data, int32_t length, UBool isDataOwned, char type); + void addFile(const char *filesPath, const char *name); + void addItems(const Package &listPkg); + + void removeItem(int32_t itemIndex); + void removeItems(const char *pattern); + void removeItems(const Package &listPkg); + + /* The extractItem() functions accept outputType=0 to mean "don't swap the item". */ + void extractItem(const char *filesPath, int32_t itemIndex, char outType); + void extractItems(const char *filesPath, const char *pattern, char outType); + void extractItems(const char *filesPath, const Package &listPkg, char outType); + + /* This variant extracts an item to a specific filename. */ + void extractItem(const char *filesPath, const char *outName, int32_t itemIndex, char outType); + + int32_t getItemCount() const; + const Item *getItem(int32_t idx) const; + + /* + * Check dependencies and return true if all dependencies are fulfilled. + */ + UBool checkDependencies(); + + /* + * Enumerate all the dependencies and give the results to context and call CheckDependency callback + * @param context user context (will be passed to check function) + * @param check will be called with context and any missing items + */ + void enumDependencies(void *context, CheckDependency check); + +private: + void enumDependencies(Item *pItem, void *context, CheckDependency check); + + /** + * Default CheckDependency function used by checkDependencies() + */ + static void checkDependency(void *context, const char *itemName, const char *targetName); + + /* + * Allocate a string in inStrings or outStrings. + * The length does not include the terminating NUL. + */ + char *allocString(UBool in, int32_t length); + + void sortItems(); + + // data fields + char inPkgName[MAX_PKG_NAME_LENGTH]; + char pkgPrefix[MAX_PKG_NAME_LENGTH]; + + uint8_t *inData; + uint8_t header[1024]; + int32_t inLength, headerLength; + uint8_t inCharset; + UBool inIsBigEndian; + UBool doAutoPrefix; + UBool prefixEndsWithType; + + int32_t itemCount; + int32_t itemMax; + Item *items; + + int32_t inStringTop, outStringTop; + char inStrings[STRING_STORE_SIZE], outStrings[STRING_STORE_SIZE]; + + // match mode for findItems(pattern) and findNextItem() + uint32_t matchMode; + + // state for findItems(pattern) and findNextItem() + const char *findPrefix, *findSuffix; + int32_t findPrefixLength, findSuffixLength; + int32_t findNextIndex; + + // state for checkDependencies() + UBool isMissingItems; + + /** + * Grow itemMax to new value + */ + void setItemCapacity(int32_t max); + + /** + * Grow itemMax to at least itemCount+1 + */ + void ensureItemCapacity(); +}; + +U_NAMESPACE_END + +#endif + + |