diff options
Diffstat (limited to 'kdeprint/driverparse.c')
| -rw-r--r-- | kdeprint/driverparse.c | 434 |
1 files changed, 434 insertions, 0 deletions
diff --git a/kdeprint/driverparse.c b/kdeprint/driverparse.c new file mode 100644 index 000000000..2b7a93d60 --- /dev/null +++ b/kdeprint/driverparse.c @@ -0,0 +1,434 @@ +#include "driverparse.h" + +#include <string.h> +#include <dirent.h> +#include <ctype.h> +#include <stdlib.h> +#include <sys/stat.h> +#include <dlfcn.h> +#include <unistd.h> + +char **files = NULL; +int nfiles = 0, maxfiles = 0; +int nhandlers = 0, maxhandlers = 0; +int nlibs = 0, maxlibs = 0; +typedef struct +{ + void (*init)(const char*); + int (*parse)(const char*, FILE*); + char *name; + int namelen; +} handler; +handler **handlers = NULL; +void **libs = NULL; + +void initHandlers(void) +{ + maxhandlers = 10; + handlers = (handler**)malloc(sizeof(handler*) * maxhandlers); +} + +void freeHandlers(void) +{ + int i; + for (i=0; i<nhandlers; i++) + { + free(handlers[i]->name); + free(handlers[i]); + } + free(handlers); +} + +void registerHandler(const char *name, void(*initf)(const char*), int(*parsef)(const char*, FILE*)) +{ + handler *h = (handler*)malloc(sizeof(handler)); + h->init = initf; + h->parse = parsef; + h->name = strdup(name); + h->namelen = strlen(h->name); + if (maxhandlers == 0) + initHandlers(); + if (nhandlers == maxhandlers) + { + maxhandlers += 10; + handlers = (handler**)realloc(handlers, sizeof(handler*) * maxhandlers); + } + handlers[nhandlers++] = h; +} + +void addLib(const char *filename) +{ + void *handle = dlopen(filename, RTLD_LAZY); + if (handle) + { + void(*f)(void); + if (nlibs == maxlibs) + { + maxlibs += 5; + libs = (void**)realloc(libs, sizeof(void*) * maxlibs); + } + libs[nlibs++] = handle; + f = dlsym(handle, "initialize"); + if (f) + { + (*f)(); + } + } +} + +void freeLibs(void) +{ + int i; + for (i=0; i<maxlibs; i++) + dlclose(libs[i]); + free(libs); +} + +void initFiles(void) +{ + maxfiles = 100; + files = (char**)malloc(sizeof(char*) * maxfiles); +} + +void freeFiles(void) +{ + int i; + for (i=0; i<nfiles; i++) + free(files[i]); + free(files); +} + +void checkSize(void) +{ + if (nfiles == maxfiles) + { + maxfiles += 100; + files = (char**)realloc(files, sizeof(char*) * maxfiles); + } +} + +void addFile(const char *filename) +{ + if (maxfiles == 0) + initFiles(); + checkSize(); + files[nfiles++] = strdup(filename); +} + +void nextTag(FILE *f, char *tag, int len) +{ + int p = 0; + int c; + + while (!feof(f) && fgetc(f) != '<') ; + while (!feof(f) && p < (len-1) && (c = fgetc(f)) != '>') + tag[p++] = c; + tag[p] = 0; +} + +void readValue(FILE *f, char *value, int len) +{ + char c; + int p = 0; + + while (!feof(f) && p < (len-1) && (c = fgetc(f)) != '<') + { + if (isspace(c)) + c = ' '; + value[p++] = c; + } + value[p] = 0; +} + +void readComment(FILE *f, char *comment, int len) +{ + char tag[32] = {0}; + + do nextTag(f, tag, 32); + while (tag[0] && strcmp(tag, "en") != 0 && strcmp(tag, "/comments") != 0); + if (strcmp(tag, "en") == 0) + readValue(f, comment, len); +} + +int getMaticPrinterInfos(const char *base, const char *id, char *make, char *model, char *recomm, char *comment, char *pnpmake, char *pnpmodel) +{ + char filePath[256]; + FILE *xmlFile; + char tag[32] = {0}; + int n = 0; + int in_autodetect = 0; + + snprintf(filePath, 256, "%s/%s.xml", base, id); + if ( access( filePath, F_OK ) != 0 ) + { + /* file doesn't seem to exists, see if Foomatic ID translation file can help */ + const char *c; + char ID1[ 256 ], ID2[ 256 ]; + int found = 0; + + /* Locate the actual ID part in the given "id" argument whose format is "printer/<ID>" */ + c = id; + while ( *c && *c != '/' ) + c++; + c++; + /* Translation file is usually /usr/share/foomatic/db/oldprinterids */ + snprintf( filePath, 256, "%s/../oldprinterids", base ); + if ( ( xmlFile = fopen( filePath, "r" ) ) == NULL ) + return 0; + /* Look for possible translated ID */ + while ( !feof( xmlFile ) ) + { + if ( fscanf( xmlFile, "%256s %256s", ID1, ID2 ) == 2 ) + { + if ( strcmp( c, ID1 ) == 0 ) + { + snprintf( filePath, 256, "%s/printer/%s.xml", base, ID2 ); + found = 1; + break; + } + } + else + break; + } + fclose( xmlFile ); + if ( !found ) + return 0; + } + xmlFile = fopen(filePath, "r"); + if (xmlFile == NULL) + return 0; + while (!feof(xmlFile) && n < 6) + { + tag[0] = 0; + nextTag(xmlFile, tag, 32); + if (tag[0]) + { + char *c; + + if ( strcmp( tag, "autodetect" ) == 0 ) + { + in_autodetect = 1; + continue; + } + else if ( strcmp( tag, "/autodetect" ) == 0 ) + { + in_autodetect = 0; + continue; + } + else if (!make[0] && strcmp(tag, "make") == 0) + c = make; + else if (strcmp(tag, "model") == 0) + { + if ( in_autodetect && !pnpmodel[ 0 ] ) + c = pnpmodel; + else if ( !in_autodetect && !model[ 0 ] ) + c = model; + else + continue; + } + else if ( !pnpmake[0] && in_autodetect && strcmp( tag, "manufacturer" ) == 0 ) + c = pnpmake; + else if (!recomm[0] && strcmp(tag, "driver") == 0) + c = recomm; + else if (comment && !comment[0] && strcmp(tag, "comments") == 0) + { + readComment(xmlFile, comment, 4096); + n++; + continue; + } + else + continue; + n++; + readValue(xmlFile, c, 64); + } + } + fclose(xmlFile); + return 1; +} + +int parseMaticFile(const char *driver, FILE *output) +{ + FILE *drFile; + char name[32] = {0}, + make[64] = {0}, + model[64] = {0}, + tag[32] = {0}, + recomm[64] = {0}, + comment[4096] = {0}, + comment2[4096] = {0}, + pnpmake[64] = {0}, + pnpmodel[64] = {0}; + char id[128]; + char path[256], *c; + + drFile = fopen(driver, "r"); + if (drFile == NULL) + return 0; + strncpy(path, driver, 255); + path[ 255 ] = '\0'; + if ((c = strstr(path, "/driver/")) != NULL) + *c = 0; + c = comment; + while (!feof(drFile)) + { + tag[0] = 0; + nextTag(drFile, tag, 32); + if (tag[0]) + { + if (strcmp(tag, "name") == 0) + readValue(drFile, name, 32); + else if (strcmp(tag, "comments") == 0) + readComment(drFile, c, 4096); + else if (strcmp(tag, "printers") == 0) + c = comment2; + else if (strcmp(tag, "printer") == 0) + { + id[0] = 0; + comment2[0] = 0; + } + else if (strcmp(tag, "id") == 0) + readValue(drFile, id, 128); + else if (strcmp(tag, "/printer") == 0 && id[0]) + { + fprintf(output, "FILE=foomatic/%s/%s\n", id+8, name); + make[0] = 0; + model[0] = 0; + recomm[0] = 0; + pnpmake[0] = 0; + pnpmodel[0] = 0; + getMaticPrinterInfos(path, id, make, model, recomm, NULL, pnpmake, pnpmodel); + fprintf(output, "MANUFACTURER=%s\n", make); + fprintf(output, "MODELNAME=%s\n", model); + fprintf(output, "MODEL=%s\n", model); + fprintf(output, "DESCRIPTION=%s %s (Foomatic + %s)\n", make, model, name); + if (recomm[0] && strcmp(name, recomm) == 0) + fprintf(output, "RECOMMANDED=yes\n"); + if (comment[0] || comment2[0]) + { + fprintf(output, "DRIVERCOMMENT="); + if (comment2[0]) + { + fprintf(output, "<h3>Printer note</h3>%s", comment2); + } + if (comment[0]) + fprintf(output, "<h3>General driver note</h3>%s", comment); + fprintf(output, "\n"); + } + if ( pnpmake[0] ) + fprintf( output, "PNPMANUFACTURER=%s\n", pnpmake ); + if ( pnpmodel[0] ) + fprintf( output, "PNPMODEL=%s\n", pnpmodel ); + fprintf(output, "\n"); + } + else if (strcmp(tag, "/printers") == 0) + break; + } + } + fclose(drFile); + return 1; +} + +void initMatic(const char *base) +{ + char drPath[256]; + char drFile[256]; + DIR *foodir; + struct dirent *d; + struct stat st; + + if (strstr(base, "foomatic") == NULL) + return; + + snprintf(drPath, 256, "%s/driver", base); + foodir = opendir(drPath); + if (foodir == NULL) + return; + while ((d = readdir(foodir)) != NULL) + { + snprintf(drFile, 256, "foomatic:%s/%s", drPath, d->d_name); + if (stat(drFile+9, &st) != 0) + continue; + else if (!S_ISREG(st.st_mode)) + continue; + addFile(drFile); + } + closedir(foodir); +} + +void initFoomatic(void) +{ + registerHandler("foomatic:", initMatic, parseMaticFile); +} + +int execute(int argc, char *argv[]) +{ + FILE *dbFile; + int i; + char *c, *d; + + /* open output driver DB file */ + if (argc < 2 || argc > 3) + { + fprintf(stderr, "usage: make_driver_db <db_directory> [output_filename]\n"); + return -1; + } + if (argc == 3) + { + dbFile = fopen(argv[2], "w"); + if (dbFile == NULL) + { + fprintf(stderr, "unable to open DB file for writing\n"); + return -1; + } + } + else + dbFile = stdout; + + /* init parsing */ + c = argv[1]; + do + { + d = strchr(c, ':'); + if (d != NULL) + *d = 0; + if (strncmp(c, "module:", 7) == 0) + { + addLib(c+7); + } + else + { + for (i=0; i<nhandlers; i++) + { + (*(handlers[i]->init))(c); + } + } + if (d != NULL) + c = d+1; + } while (d && *c); + + + /* do actual parsing */ + fprintf(stdout, "%d\n", nfiles); + fflush(stdout); + for (i=0; i<nfiles; i++) + { + int hi; + for (hi=0; hi<nhandlers; hi++) + if (strncmp(files[i], handlers[hi]->name, handlers[hi]->namelen) == 0) + { + handlers[hi]->parse(files[i]+handlers[hi]->namelen, dbFile); + break; + } + fprintf(stdout, "%d\n", i); + fflush(stdout); + } + + /* free everything */ + freeFiles(); + freeHandlers(); + freeLibs(); + if (dbFile != stdout) + fclose(dbFile); + + return 0; +} |