long
extract_chm(const char *filename, const char *base_path)
{
struct chmFile *handle;
struct extract_context ec;
handle = chm_open(filename);
if (handle == NULL) {
fprintf(stderr, "Cannot open chmfile: %s", filename);
return -1;
}
ec.base_path = base_path;
if (!chm_enumerate(handle,
CHM_ENUMERATE_NORMAL | CHM_ENUMERATE_SPECIAL,
_extract_callback,
(void *)&ec)) {
fprintf(stderr, "Extract chmfile failed: %s", filename);
}
chm_close(handle);
return 0;
}
int main(int c, char **v)
{
struct chmFile *h;
struct extract_context ec;
if (c < 3)
{
fprintf(stderr, "usage: %s <chmfile> <outdir>\n", v[0]);
exit(1);
}
h = chm_open(v[1]);
if (h == NULL)
{
fprintf(stderr, "failed to open %s\n", v[1]);
exit(1);
}
printf("%s:\n", v[1]);
ec.base_path = v[2];
if (! chm_enumerate(h,
CHM_ENUMERATE_ALL,
_extract_callback,
(void *)&ec))
printf(" *** ERROR ***\n");
chm_close(h);
return 0;
}
extern u32 fs_chm_to_menu(const char *chmfile, u32 icolor, u32 selicolor, u32 selrcolor, u32 selbcolor)
{
int fid;
struct chmFile *chm;
t_fs_chm_enum cenum;
if (menu_renew(&g_menu) == NULL) {
return 0;
}
fid = freq_enter_hotzone();
chm = chm_open(chmfile);
if (chm == NULL) {
freq_leave(fid);
return 0;
}
add_parent_to_menu(g_menu, icolor, selicolor, selrcolor, selbcolor);
cenum.icolor = icolor;
cenum.selicolor = selicolor;
cenum.selrcolor = selrcolor;
cenum.selbcolor = selbcolor;
chm_enumerate(chm, CHM_ENUMERATE_NORMAL | CHM_ENUMERATE_FILES, chmEnum, (void *) &cenum);
chm_close(chm);
freq_leave(fid);
return g_menu->size;
}
/*
* Class: org_chm4j_ChmFile
* Method: entries
* Signature: (Ljava/lang/String;I)[Lorg/chm4j/ChmEntry;
*/
JNIEXPORT jobjectArray JNICALL Java_org_chm4j_ChmFile_entries
(JNIEnv *env, jobject jobj, jstring jfilename, jstring jpath, jint flags) {
// opens the file
const char *filename = (*env)->GetStringUTFChars(env, jfilename, 0);
struct chmFile* cFile = chm_open(filename);
if(cFile == NULL) {
J_ThrowException(env, "java/io/IOException", "failed to open the file");
return NULL;
}
(*env)->ReleaseStringUTFChars(env, jfilename, filename);
// creates java list
jobject list = J_CreateList(env);
if(list == NULL) {
// close the file
chm_close(cFile);
J_ThrowException(env, "java/io/IOException", "failed to create entries list");
return NULL;
}
// initializes context
ENUM_CONTEXT* context = (ENUM_CONTEXT*) malloc(sizeof(ENUM_CONTEXT));
if(context == NULL) {
// close the file
chm_close(cFile);
J_ThrowException(env, "java/io/IOException", "failed to create entries context");
return NULL;
}
context->env = env;
context->file = jobj;
context->list = list;
// enumerates entries
const char *path = (*env)->GetStringUTFChars(env, jpath, NULL);
int enumres = chm_enumerate_dir(cFile, path, (int) flags, listEntries, context);
(*env)->ReleaseStringUTFChars(env, jpath, path);
free(context);
// closes the file
chm_close(cFile);
if(enumres != 1) {
J_ThrowException(env, "java/io/IOException", "failed to list entries");
return NULL;
}
// returns a java array
jobjectArray array = J_ListToArray(env, list);
return array;
}
/*
* Class: org_chm4j_ChmEntry
* Method: readContent
* Signature: (Ljava/lang/String;Ljava/lang/String;)[B
*/
JNIEXPORT jbyteArray JNICALL Java_org_chm4j_ChmEntry_readContent
(JNIEnv *env, jobject jobj, jstring jfilename, jstring jpath) {
// opens the file
const char *filename = (*env)->GetStringUTFChars(env, jfilename, 0);
struct chmFile* cFile = chm_open(filename);
(*env)->ReleaseStringUTFChars(env, jfilename, filename);
if(cFile == NULL) {
J_ThrowException(env, "java/io/IOException", "failed to open the file");
return NULL;
}
// resolves entry
struct chmUnitInfo cUnit;
const char *path = (*env)->GetStringUTFChars(env, jpath, NULL);
int res = chm_resolve_object(cFile, path, &cUnit);
(*env)->ReleaseStringUTFChars(env, jpath, path);
if(res != CHM_RESOLVE_SUCCESS) {
// close the file
chm_close(cFile);
J_ThrowException(env, "java.io.IOException", "failed to resolve entry");
return NULL;
}
// retrieves entry content
unsigned char* buf = (unsigned char*) malloc(sizeof(unsigned char) * cUnit.length);
if(buf == NULL) {
// close the file
chm_close(cFile);
J_ThrowException(env, "java.io.IOException", "failed to allocate buffer");
return NULL;
}
jlong nbRead = (jlong) chm_retrieve_object(cFile, &cUnit, buf, 0, cUnit.length);
// close the file
chm_close(cFile);
// creates and fills java byte array
jbyteArray data = (*env)->NewByteArray(env, nbRead);
if(nbRead > 0) {
(*env)->SetByteArrayRegion(env, data, 0, nbRead, buf);
}
free(buf);
return data;
}
static void
chmfile_file_info(ChmFile *chmfile)
{
struct chmFile *cfd;
cfd = chm_open(chmfile->filename);
if (cfd == NULL) {
g_error(_("Can not open chm file %s."), chmfile->filename);
return;
}
chmfile_system_info(cfd, chmfile);
chmfile_windows_info(cfd, chmfile);
/* Convert book title to UTF-8 */
if (chmfile->title != NULL && chmfile->encoding != NULL) {
gchar *title_utf8;
title_utf8 = g_convert(chmfile->title, -1, "UTF-8",
chmfile->encoding,
NULL, NULL, NULL);
g_free(chmfile->title);
chmfile->title = title_utf8;
}
/* Convert filename to UTF-8 */
if (chmfile->hhc != NULL && chmfile->encoding != NULL) {
gchar *filename_utf8;
filename_utf8 = convert_filename_to_utf8(chmfile->hhc, chmfile->encoding);
g_free(chmfile->hhc);
chmfile->hhc = filename_utf8;
}
if (chmfile->hhk != NULL && chmfile->encoding != NULL) {
gchar *filename_utf8;
filename_utf8 = convert_filename_to_utf8(chmfile->hhk, chmfile->encoding);
g_free(chmfile->hhk);
chmfile->hhk = filename_utf8;
}
chm_close(cfd);
}
bool ChmDoc::Load(const WCHAR *fileName)
{
chmHandle = chm_open((WCHAR *)fileName);
if (!chmHandle)
return false;
ParseWindowsData();
if (!ParseSystemData())
return false;
UINT fileCodepage = codepage;
char header[24] = { 0 };
if (file::ReadN(fileName, header, sizeof(header))) {
DWORD lcid = ByteReader(header, sizeof(header)).DWordLE(20);
fileCodepage = LcidToCodepage(lcid);
}
if (!codepage)
codepage = fileCodepage;
// if file and #SYSTEM codepage disagree, prefer #SYSTEM's (unless it leads to wrong paths)
FixPathCodepage(homePath, fileCodepage);
FixPathCodepage(tocPath, fileCodepage);
FixPathCodepage(indexPath, fileCodepage);
if (GetACP() == codepage)
codepage = CP_ACP;
if (!HasData(homePath)) {
const char *pathsToTest[] = {
"/index.htm", "/index.html", "/default.htm", "/default.html"
};
for (int i = 0; i < dimof(pathsToTest); i++) {
if (HasData(pathsToTest[i])) {
homePath.SetCopy(pathsToTest[i]);
}
}
if (!HasData(homePath))
return false;
}
return true;
}
int
main (int argc, char *argv[]) {
struct chmFile *handle;
if (argc < 2) {
fprintf(stderr, "Oops: nothing to do!\n");
exit(1);
}
handle = chm_open(argv[1]);
if (NULL == handle) {
fprintf( stderr, "Oops: something's wrong...\n");
exit(2);
}
do_something_useful_with(handle);
chm_close(handle);
return 0;
}
bool ChmDoc::Load(const WCHAR *fileName)
{
chmHandle = chm_open((WCHAR *)fileName);
if (!chmHandle)
return false;
ParseWindowsData();
if (!ParseSystemData())
return false;
if (!HasData(homePath)) {
const char *pathsToTest[] = {
"/index.htm", "/index.html", "/default.htm", "/default.html"
};
for (int i = 0; i < dimof(pathsToTest); i++) {
if (HasData(pathsToTest[i]))
homePath.Set(str::Dup(pathsToTest[i]));
}
}
if (!HasData(homePath))
return false;
if (!codepage) {
char header[24];
if (file::ReadAll(fileName, header, sizeof(header))) {
DWORD lcid = ByteReader(header, sizeof(header)).DWordLE(20);
codepage = LcidToCodepage(lcid);
}
else
codepage = CP_CHM_DEFAULT;
}
if (GetACP() == codepage)
codepage = CP_ACP;
return true;
}
static gboolean
extract_chm(const gchar *filename, ChmFile *chmfile)
{
struct chmFile *handle;
struct extract_context ec;
handle = chm_open(filename);
if (handle == NULL) {
g_message(_("cannot open chmfile: %s"), filename);
return FALSE;
}
ec.base_path = (const char *)chmfile->dir;
if (!chm_enumerate(handle, CHM_ENUMERATE_NORMAL, _extract_callback, (void *)&ec)) {
g_message(_("Extract chmfile failed: %s"), filename);
return FALSE;
}
chm_close(handle);
return TRUE;
}
