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