Beispiel #1
0
/* code adapted from ures_swap() */
static void
ures_enumDependencies(const UDataSwapper *ds,
                      const char *itemName, const UDataInfo *pInfo,
                      const uint8_t *inBytes, int32_t length,
                      CheckDependency check, void *context,
                      UErrorCode *pErrorCode) {
    const Resource *inBundle;
    Resource rootRes;

    /* the following integers count Resource item offsets (4 bytes each), not bytes */
    int32_t bundleLength;

    /* check format version */
    if(pInfo->formatVersion[0]!=1) {
        fprintf(stderr, "icupkg: .res format version %02x not supported\n",
                        pInfo->formatVersion[0]);
        exit(U_UNSUPPORTED_ERROR);
    }

    /* a resource bundle must contain at least one resource item */
    bundleLength=length/4;

    /* formatVersion 1.1 must have a root item and at least 5 indexes */
    if( bundleLength<
            (pInfo->formatVersion[1]==0 ? 1 : 1+5)
    ) {
        fprintf(stderr, "icupkg: too few bytes (%d after header) for a resource bundle\n",
                        length);
        exit(U_INDEX_OUTOFBOUNDS_ERROR);
    }

    inBundle=(const Resource *)inBytes;
    rootRes=ds->readUInt32(*inBundle);

    ures_enumDependencies(
        ds, itemName, inBundle, bundleLength,
        rootRes, NULL, 0,
        check, context,
        pErrorCode);

    /*
     * if the bundle attributes are present and the nofallback flag is not set,
     * then add the parent bundle as a dependency
     */
    if(pInfo->formatVersion[1]>=1) {
        int32_t indexes[URES_INDEX_TOP];
        const int32_t *inIndexes;

        inIndexes=(const int32_t *)inBundle+1;
        indexes[URES_INDEX_LENGTH]=udata_readInt32(ds, inIndexes[URES_INDEX_LENGTH]);
        if(indexes[URES_INDEX_LENGTH]>URES_INDEX_ATTRIBUTES) {
            indexes[URES_INDEX_ATTRIBUTES]=udata_readInt32(ds, inIndexes[URES_INDEX_ATTRIBUTES]);
            if(0==(indexes[URES_INDEX_ATTRIBUTES]&URES_ATT_NO_FALLBACK)) {
                /* this bundle participates in locale fallback */
                checkParent(itemName, check, context, pErrorCode);
            }
        }
    }
}
Beispiel #2
0
static void
ures_enumDependencies(const char *itemName, const UDataInfo *pInfo,
                      const uint8_t *inBytes, int32_t length,
                      CheckDependency check, void *context,
                      Package *pkg,
                      UErrorCode *pErrorCode) {
    ResourceData resData;

    res_read(&resData, pInfo, inBytes, length, pErrorCode);
    if(U_FAILURE(*pErrorCode)) {
        fprintf(stderr, "icupkg: .res format version %02x.%02x not supported, or bundle malformed\n",
                        pInfo->formatVersion[0], pInfo->formatVersion[1]);
        exit(U_UNSUPPORTED_ERROR);
    }

    /*
     * if the bundle attributes are present and the nofallback flag is not set,
     * then add the parent bundle as a dependency
     */
    if(pInfo->formatVersion[0]>1 || (pInfo->formatVersion[0]==1 && pInfo->formatVersion[1]>=1)) {
        if(!resData.noFallback) {
            /* this bundle participates in locale fallback */
            checkParent(itemName, check, context, pErrorCode);
        }
    }

    icu::NativeItem nativePool;

    if(resData.usesPoolBundle) {
        char poolName[200];
        makeTargetName(itemName, "pool", 4, ".res", poolName, (int32_t)sizeof(poolName), pErrorCode);
        if(U_FAILURE(*pErrorCode)) {
            return;
        }
        check(context, itemName, poolName);
        int32_t index=pkg->findItem(poolName);
        if(index<0) {
            // We cannot work with a bundle if its pool resource is missing.
            // check() already printed a complaint.
            return;
        }
        // TODO: Cache the native version in the Item itself.
        nativePool.setItem(pkg->getItem(index), ures_swap);
        const UDataInfo *poolInfo=nativePool.getDataInfo();
        if(poolInfo->formatVersion[0]<=1) {
            fprintf(stderr, "icupkg: %s is not a pool bundle\n", poolName);
            return;
        }
        const int32_t *poolRoot=(const int32_t *)nativePool.getBytes();
        const int32_t *poolIndexes=poolRoot+1;
        int32_t poolIndexLength=poolIndexes[URES_INDEX_LENGTH]&0xff;
        if(!(poolIndexLength>URES_INDEX_POOL_CHECKSUM &&
             (poolIndexes[URES_INDEX_ATTRIBUTES]&URES_ATT_IS_POOL_BUNDLE))
        ) {
            fprintf(stderr, "icupkg: %s is not a pool bundle\n", poolName);
            return;
        }
        if(resData.pRoot[1+URES_INDEX_POOL_CHECKSUM]==poolIndexes[URES_INDEX_POOL_CHECKSUM]) {
            resData.poolBundleKeys=(const char *)(poolIndexes+poolIndexLength);
            resData.poolBundleStrings=(const uint16_t *)(poolRoot+poolIndexes[URES_INDEX_KEYS_TOP]);
        } else {
            fprintf(stderr, "icupkg: %s has mismatched checksum for %s\n", poolName, itemName);
            return;
        }
    }

    ures_enumDependencies(
        itemName, &resData,
        resData.rootRes, NULL, NULL, 0,
        check, context,
        pkg,
        pErrorCode);
}
Beispiel #3
0
/*
 * Enumerate one resource item and its children and extract dependencies from
 * aliases.
 */
static void
ures_enumDependencies(const char *itemName,
                      const ResourceData *pResData,
                      Resource res, const char *inKey, const char *parentKey, int32_t depth,
                      CheckDependency check, void *context,
                      Package *pkg,
                      UErrorCode *pErrorCode) {
    switch(res_getPublicType(res)) {
    case URES_STRING:
        {
            UBool useResSuffix = TRUE;
            // Check for %%ALIAS
            if(depth==1 && inKey!=NULL) {
                if(0!=strcmp(inKey, "%%ALIAS")) {
                    break;
                }
            }
            // Check for %%DEPENDENCY
            else if(depth==2 && parentKey!=NULL) {
                if(0!=strcmp(parentKey, "%%DEPENDENCY")) {
                    break;
                }
                useResSuffix = FALSE;
            } else {
                // we ignore all other strings
                break;
            }
            int32_t length;
            const UChar *alias=res_getString(pResData, res, &length);
            checkAlias(itemName, res, alias, length, useResSuffix, check, context, pErrorCode);
        }
        break;
    case URES_ALIAS:
        {
            int32_t length;
            const UChar *alias=res_getAlias(pResData, res, &length);
            checkAlias(itemName, res, alias, length, TRUE, check, context, pErrorCode);
        }
        break;
    case URES_TABLE:
        {
            /* recurse */
            int32_t count=res_countArrayItems(pResData, res);
            for(int32_t i=0; i<count; ++i) {
                const char *itemKey;
                Resource item=res_getTableItemByIndex(pResData, res, i, &itemKey);
                ures_enumDependencies(
                        itemName, pResData,
                        item, itemKey,
                        inKey, depth+1,
                        check, context,
                        pkg,
                        pErrorCode);
                if(U_FAILURE(*pErrorCode)) {
                    fprintf(stderr, "icupkg/ures_enumDependencies(%s table res=%08x)[%d].recurse(%s: %08x) failed\n",
                                    itemName, res, i, itemKey, item);
                    break;
                }
            }
        }
        break;
    case URES_ARRAY:
        {
            /* recurse */
            int32_t count=res_countArrayItems(pResData, res);
            for(int32_t i=0; i<count; ++i) {
                Resource item=res_getArrayItem(pResData, res, i);
                ures_enumDependencies(
                        itemName, pResData,
                        item, NULL,
                        inKey, depth+1,
                        check, context,
                        pkg,
                        pErrorCode);
                if(U_FAILURE(*pErrorCode)) {
                    fprintf(stderr, "icupkg/ures_enumDependencies(%s array res=%08x)[%d].recurse(%08x) failed\n",
                                    itemName, res, i, item);
                    break;
                }
            }
        }
        break;
    default:
        break;
    }
}
Beispiel #4
0
/*
 * Enumerate one resource item and its children and extract dependencies from
 * aliases.
 * Code adapted from ures_preflightResource() and ures_swapResource().
 */
static void
ures_enumDependencies(const UDataSwapper *ds,
                      const char *itemName,
                      const Resource *inBundle, int32_t length,
                      Resource res, const char *inKey, int32_t depth,
                      CheckDependency check, void *context,
                      UErrorCode *pErrorCode) {
    const Resource *p;
    int32_t offset;

    if(res==0 || RES_GET_TYPE(res)==URES_INT) {
        /* empty string or integer, nothing to do */
        return;
    }

    /* all other types use an offset to point to their data */
    offset=(int32_t)RES_GET_OFFSET(res);
    if(0<=length && length<=offset) {
        udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) resource offset exceeds bundle length %d\n",
                         itemName, res, length);
        *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
        return;
    }
    p=inBundle+offset;

    switch(RES_GET_TYPE(res)) {
        /* strings and aliases have physically the same value layout */
    case URES_STRING:
        // we ignore all strings except top-level strings with a %%ALIAS key
        if(depth!=1) {
            break;
        } else {
            char key[8];
            int32_t keyLength;

            keyLength=(int32_t)strlen(inKey);
            if(keyLength!=gAliasKeyLength) {
                break;
            }
            ds->swapInvChars(ds, inKey, gAliasKeyLength+1, key, pErrorCode);
            if(U_FAILURE(*pErrorCode)) {
                udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) string key contains variant characters\n",
                                itemName, res);
                return;
            }
            if(0!=strcmp(key, gAliasKey)) {
                break;
            }
        }
        // for the top-level %%ALIAS string fall through to URES_ALIAS
    case URES_ALIAS:
        {
            char localeID[32];
            const uint16_t *p16;
            int32_t i, stringLength;
            uint16_t u16, ored16;

            stringLength=udata_readInt32(ds, (int32_t)*p);

            /* top=offset+1+(string length +1)/2 rounded up */
            offset+=1+((stringLength+1)+1)/2;
            if(offset>length) {
                break; // the resource does not fit into the bundle, print error below
            }

            // extract the locale ID from alias strings like
            // locale_ID/key1/key2/key3
            // locale_ID
            if(U_IS_BIG_ENDIAN==ds->inIsBigEndian) {
                u16=0x2f;   // slash in local endianness
            } else {
                u16=0x2f00; // slash in opposite endianness
            }
            p16=(const uint16_t *)(p+1); // Unicode string contents

            // search for the first slash
            for(i=0; i<stringLength && p16[i]!=u16; ++i) {}

            if(RES_GET_TYPE(res)==URES_ALIAS) {
                // ignore aliases with an initial slash:
                // /ICUDATA/... and /pkgname/... go to a different package
                // /LOCALE/... are for dynamic sideways fallbacks and don't go to a fixed bundle
                if(i==0) {
                    break; // initial slash ('/')
                }

                // ignore the intra-bundle path starting from the first slash ('/')
                stringLength=i;
            } else /* URES_STRING */ {
                // the whole string should only consist of a locale ID
                if(i!=stringLength) {
                    udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) %%ALIAS contains a '/'\n",
                                    itemName, res);
                    *pErrorCode=U_UNSUPPORTED_ERROR;
                    return;
                }
            }

            // convert the Unicode string to char * and
            // check that it has a bundle path but no package
            if(stringLength>=(int32_t)sizeof(localeID)) {
                udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) alias locale ID length %ld too long\n",
                                itemName, res, stringLength);
                *pErrorCode=U_BUFFER_OVERFLOW_ERROR;
                return;
            }

            // convert the alias Unicode string to US-ASCII
            ored16=0;
            if(U_IS_BIG_ENDIAN==ds->inIsBigEndian) {
                for(i=0; i<stringLength; ++i) {
                    u16=p16[i];
                    ored16|=u16;
                    localeID[i]=(char)u16;
                }
            } else {
                for(i=0; i<stringLength; ++i) {
                    u16=p16[i];
                    ored16|=u16;
                    localeID[i]=(char)(u16>>8);
                }
                ored16=(uint16_t)((ored16<<8)|(ored16>>8));
            }
            localeID[stringLength]=0;
            if(ored16>0x7f) {
                udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) alias string contains non-ASCII characters\n",
                                itemName, res);
                *pErrorCode=U_INVALID_CHAR_FOUND;
                return;
            }

#if (U_CHARSET_FAMILY==U_EBCDIC_FAMILY)
            // swap to EBCDIC
            // our swapper is probably not the right one, but
            // the function uses it only for printing errors
            uprv_ebcdicFromAscii(ds, localeID, stringLength, localeID, pErrorCode);
            if(U_FAILURE(*pErrorCode)) {
                return;
            }
#endif
#if U_CHARSET_FAMILY!=U_ASCII_FAMILY && U_CHARSET_FAMILY!=U_EBCDIC_FAMILY
#           error Unknown U_CHARSET_FAMILY value!
#endif

            checkIDSuffix(itemName, localeID, -1, ".res", check, context, pErrorCode);
        }
        break;
    case URES_TABLE:
    case URES_TABLE32:
        {
            const uint16_t *pKey16;
            const int32_t *pKey32;

            Resource item;
            int32_t i, count;

            if(RES_GET_TYPE(res)==URES_TABLE) {
                /* get table item count */
                pKey16=(const uint16_t *)p;
                count=ds->readUInt16(*pKey16++);

                pKey32=NULL;

                /* top=((1+ table item count)/2 rounded up)+(table item count) */
                offset+=((1+count)+1)/2;
            } else {
                /* get table item count */
                pKey32=(const int32_t *)p;
                count=udata_readInt32(ds, *pKey32++);

                pKey16=NULL;

                /* top=(1+ table item count)+(table item count) */
                offset+=1+count;
            }

            p=inBundle+offset; /* pointer to table resources */
            offset+=count;

            if(offset>length) {
                break; // the resource does not fit into the bundle, print error below
            }

            /* recurse */
            for(i=0; i<count; ++i) {
                item=ds->readUInt32(*p++);
                ures_enumDependencies(
                        ds, itemName, inBundle, length, item,
                        ((const char *)inBundle)+
                            (pKey16!=NULL ?
                                ds->readUInt16(pKey16[i]) :
                                udata_readInt32(ds, pKey32[i])),
                        depth+1,
                        check, context,
                        pErrorCode);
                if(U_FAILURE(*pErrorCode)) {
                    udata_printError(ds, "icupkg/ures_enumDependencies(%s table res=%08x)[%d].recurse(%08x) failed\n",
                                        itemName, res, i, item);
                    break;
                }
            }
        }
        break;
    case URES_ARRAY:
        {
            Resource item;
            int32_t i, count;

            /* top=offset+1+(array length) */
            count=udata_readInt32(ds, (int32_t)*p++);
            offset+=1+count;

            if(offset>length) {
                break; // the resource does not fit into the bundle, print error below
            }

            /* recurse */
            for(i=0; i<count; ++i) {
                item=ds->readUInt32(*p++);
                ures_enumDependencies(
                        ds, itemName, inBundle, length,
                        item, NULL, depth+1,
                        check, context,
                        pErrorCode);
                if(U_FAILURE(*pErrorCode)) {
                    udata_printError(ds, "icupkg/ures_enumDependencies(%s array res=%08x)[%d].recurse(%08x) failed\n",
                                        itemName, res, i, item);
                    break;
                }
            }
        }
        break;
    default:
        break;
    }

    if(U_FAILURE(*pErrorCode)) {
        /* nothing to do */
    } else if(0<=length && length<offset) {
        udata_printError(ds, "icupkg/ures_enumDependencies(%s res=%08x) resource limit exceeds bundle length %d\n",
                         itemName, res, length);
        *pErrorCode=U_INDEX_OUTOFBOUNDS_ERROR;
    }
}