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libisofs
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Additon of nodes based on Builder. Pass Image as a parameter to builder methods.

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release-1.5.4.branch
Vreixo Formoso 16 years ago
parent e28f924913
commit 008871cfd8
3 changed files with 144 additions and 95 deletions
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123
src/builder.c
Unescape Escape View File

@ -13,6 +13,7 @@
#include <stdlib.h>
#include <string.h>
#include <limits.h>
void iso_node_builder_ref(IsoNodeBuilder *builder)
{
@ -29,8 +30,8 @@ void iso_node_builder_unref(IsoNodeBuilder *builder)
}
static
int default_create_file(IsoNodeBuilder *builder, IsoFileSource *src,
IsoFile **file)
int default_create_file(IsoNodeBuilder *builder, IsoImage *image,
IsoFileSource *src, IsoFile **file)
{
int res;
struct stat info;
@ -81,6 +82,120 @@ int default_create_file(IsoNodeBuilder *builder, IsoFileSource *src,
return ISO_SUCCESS;
}
static
int default_create_node(IsoNodeBuilder *builder, IsoImage *image,
IsoFileSource *src, IsoNode **node)
{
int result;
struct stat info;
IsoNode *new;
char *name;
if (builder == NULL || src == NULL || node == NULL) {
return ISO_NULL_POINTER;
}
name = src->get_name(src);
/* get info about source */
result = src->lstat(src, &info);
if (result < 0) {
return result;
}
new = NULL;
switch (info.st_mode & S_IFMT) {
case S_IFREG:
{
/* source is a regular file */
IsoStream *stream;
IsoFile *file;
result = iso_file_source_stream_new(src, &stream);
if (result < 0) {
return result;
}
file = calloc(1, sizeof(IsoFile));
if (file == NULL) {
iso_stream_unref(stream);
return ISO_MEM_ERROR;
}
file->msblock = 0;
file->sort_weight = 0;
file->stream = stream;
file->node.type = LIBISO_FILE;
new = (IsoNode*) file;
}
break;
case S_IFDIR:
{
/* source is a directory */
new = calloc(1, sizeof(IsoDir));
if (new == NULL) {
return ISO_MEM_ERROR;
}
new->type = LIBISO_DIR;
iso_file_source_unref(src);
}
break;
case S_IFLNK:
{
/* source is a symbolic link */
char dest[PATH_MAX];
IsoSymlink *link;
result = src->readlink(src, dest, PATH_MAX);
if (result < 0) {
return result;
}
link = malloc(sizeof(IsoSymlink));
if (link == NULL) {
return ISO_MEM_ERROR;
}
link->dest = strdup(dest);
link->node.type = LIBISO_SYMLINK;
new = (IsoNode*) link;
iso_file_source_unref(src);
}
break;
case S_IFSOCK:
case S_IFBLK:
case S_IFCHR:
case S_IFIFO:
{
/* source is an special file */
IsoSpecial *special;
special = malloc(sizeof(IsoSpecial));
if (special == NULL) {
return ISO_MEM_ERROR;
}
special->dev = info.st_rdev;
special->node.type = LIBISO_SPECIAL;
new = (IsoNode*) special;
iso_file_source_unref(src);
}
break;
}
/* fill fields */
new->refcount = 1;
new->name = strdup(name);
new->mode = info.st_mode;
new->uid = info.st_uid;
new->gid = info.st_gid;
new->atime = info.st_atime;
new->mtime = info.st_mtime;
new->ctime = info.st_ctime;
new->hidden = 0;
new->parent = NULL;
new->next = NULL;
*node = new;
return ISO_SUCCESS;
}
static
void default_free(IsoNodeBuilder *builder)
{
return;
@ -100,8 +215,10 @@ int iso_node_basic_builder_new(IsoNodeBuilder **builder)
}
b->refcount = 1;
b->data = NULL;
b->create_file_data = NULL;
b->create_node_data = NULL;
b->create_file = default_create_file;
b->create_node = default_create_node;
b->free = default_free;
*builder = b;

21
src/builder.h
Unescape Escape View File

@ -40,8 +40,22 @@ struct Iso_Node_Builder
* @return
* 1 on success, < 0 on error
*/
int (*create_file)(IsoNodeBuilder *builder, IsoFileSource *src,
IsoFile **file);
int (*create_file)(IsoNodeBuilder *builder, IsoImage *image,
IsoFileSource *src, IsoFile **file);
/**
* Create a new IsoNode from a IsoFileSource. The type of the node to be
* created is determined from the type of the file source. Name,
* permissions and other attributes are taken from source file.
*
* On sucess, the ref. to src will be owned by node, so you musn't
* unref it.
*
* @return
* 1 on success, < 0 on error
*/
int (*create_node)(IsoNodeBuilder *builder, IsoImage *image,
IsoFileSource *src, IsoNode **node);
/**
* Free implementation specific data. Should never be called by user.
@ -50,7 +64,8 @@ struct Iso_Node_Builder
void (*free)(IsoNodeBuilder *builder);
int refcount;
void *data;
void *create_file_data;
void *create_node_data;
};
void iso_node_builder_ref(IsoNodeBuilder *builder);

95
src/tree.c
Unescape Escape View File

@ -20,7 +20,6 @@
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <limits.h>
/**
* Add a new directory to the iso tree.
@ -295,11 +294,11 @@ int iso_tree_add_new_special(IsoDir *parent, const char *name, mode_t mode,
}
static
int iso_tree_add_node_builder(IsoDir *parent, IsoFileSource *src,
IsoNodeBuilder *builder, IsoNode **node)
int iso_tree_add_node_builder(IsoImage *image, IsoDir *parent,
IsoFileSource *src, IsoNodeBuilder *builder,
IsoNode **node)
{
int result;
struct stat info;
IsoNode *new;
IsoNode **pos;
char *name;
@ -323,94 +322,11 @@ int iso_tree_add_node_builder(IsoDir *parent, IsoFileSource *src,
return ISO_NODE_NAME_NOT_UNIQUE;
}
/* get info about source */
result = src->lstat(src, &info);
result = builder->create_node(builder, image, src, &new);
if (result < 0) {
return result;
}
new = NULL;
switch (info.st_mode & S_IFMT) {
case S_IFREG:
{
/* source is a regular file */
IsoStream *stream;
IsoFile *file;
result = iso_file_source_stream_new(src, &stream);
if (result < 0) {
return result;
}
file = malloc(sizeof(IsoFile));
if (file == NULL) {
iso_stream_unref(stream);
return ISO_MEM_ERROR;
}
file->msblock = 0;
file->sort_weight = 0;
file->stream = stream;
file->node.type = LIBISO_FILE;
new = (IsoNode*) file;
}
break;
case S_IFDIR:
{
/* source is a directory */
new = calloc(1, sizeof(IsoDir));
if (new == NULL) {
return ISO_MEM_ERROR;
}
new->type = LIBISO_DIR;
}
break;
case S_IFLNK:
{
/* source is a symbolic link */
char dest[PATH_MAX];
IsoSymlink *link;
result = src->readlink(src, dest, PATH_MAX);
if (result < 0) {
return result;
}
link = malloc(sizeof(IsoSymlink));
if (link == NULL) {
return ISO_MEM_ERROR;
}
link->dest = strdup(dest);
link->node.type = LIBISO_SYMLINK;
new = (IsoNode*) link;
}
break;
case S_IFSOCK:
case S_IFBLK:
case S_IFCHR:
case S_IFIFO:
{
/* source is an special file */
IsoSpecial *special;
special = malloc(sizeof(IsoSpecial));
if (special == NULL) {
return ISO_MEM_ERROR;
}
special->dev = info.st_rdev;
special->node.type = LIBISO_SPECIAL;
new = (IsoNode*) special;
}
break;
}
/* fill fields */
new->refcount = 1;
new->name = strdup(name);
new->mode = info.st_mode;
new->uid = info.st_uid;
new->gid = info.st_gid;
new->atime = info.st_atime;
new->mtime = info.st_mtime;
new->ctime = info.st_ctime;
new->hidden = 0;
/* finally, add node to parent */
new->parent = parent;
new->next = *pos;
@ -438,7 +354,8 @@ int iso_tree_add_node(IsoImage *image, IsoDir *parent, const char *path,
if (result < 0) {
return result;
}
result = iso_tree_add_node_builder(parent, file, image->builder, node);
result = iso_tree_add_node_builder(image, parent, file, image->builder,
node);
return result;
}

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