[evince/wip/bug654832: 1/18] Revert "Add ev_job_load_new_with_data() to load files from data in memory."
- From: Christian Persch <chpe src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [evince/wip/bug654832: 1/18] Revert "Add ev_job_load_new_with_data() to load files from data in memory."
- Date: Wed, 9 May 2012 17:52:08 +0000 (UTC)
commit 593816e9c12ad3f57774ec48fb81db378d7c898c
Author: Christian Persch <chpe gnome org>
Date: Wed May 9 17:47:32 2012 +0200
Revert "Add ev_job_load_new_with_data() to load files from data in memory."
This reverts commit 5316652b49fe97ef69e51d6a5a0a0cec45a9f41e.
backend/pdf/ev-poppler.cc | 23 ----
libdocument/ev-document-factory.c | 169 -------------------------------
libdocument/ev-document-factory.h | 1 -
libdocument/ev-document.c | 201 +++++++++++++------------------------
libdocument/ev-document.h | 11 +--
libview/ev-jobs.c | 44 ++-------
libview/ev-jobs.h | 4 -
7 files changed, 77 insertions(+), 376 deletions(-)
---
diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc
index fcd408b..1cbd630 100644
--- a/backend/pdf/ev-poppler.cc
+++ b/backend/pdf/ev-poppler.cc
@@ -280,28 +280,6 @@ pdf_document_load (EvDocument *document,
return TRUE;
}
-static gboolean
-pdf_document_load_data (EvDocument *document,
- const guchar *data,
- gsize length,
- GError **error)
-{
- GError *poppler_error = NULL;
- PdfDocument *pdf_document = PDF_DOCUMENT (document);
-
- // The cast should not really be necessary.
- // See https://bugs.freedesktop.org/show_bug.cgi?id=39322
- pdf_document->document =
- poppler_document_new_from_data ((char*)data, length, pdf_document->password, &poppler_error);
-
- if (pdf_document->document == NULL) {
- convert_error (poppler_error, error);
- return FALSE;
- }
-
- return TRUE;
-}
-
static int
pdf_document_get_n_pages (EvDocument *document)
{
@@ -909,7 +887,6 @@ pdf_document_class_init (PdfDocumentClass *klass)
ev_document_class->save = pdf_document_save;
ev_document_class->load = pdf_document_load;
- ev_document_class->load_data = pdf_document_load_data;
ev_document_class->get_n_pages = pdf_document_get_n_pages;
ev_document_class->get_page = pdf_document_get_page;
ev_document_class->get_page_size = pdf_document_get_page_size;
diff --git a/libdocument/ev-document-factory.c b/libdocument/ev-document-factory.c
index c71b6fb..7aacb97 100644
--- a/libdocument/ev-document-factory.c
+++ b/libdocument/ev-document-factory.c
@@ -125,79 +125,6 @@ get_document_from_uri (const char *uri,
return document;
}
-/*
- * get_document_from_data:
- * @data: The contents of a file.
- * @length: The number of bytes in @data.
- * @compression: a location to store the document's compression type
- * @error: a #GError location to store an error, or %NULL
- *
- * Creates a #EvDocument instance for the document contents.
- * If a document could be created,
- * @compression is filled in with the document's compression type.
- * On error, %NULL is returned and @error filled in.
- *
- * Returns: a new #EvDocument instance, or %NULL on error with @error filled in
- */
-static EvDocument *
-get_document_from_data (const guchar *data,
- gsize length,
- EvCompressionType *compression,
- GError **error)
-{
- EvDocument *document = NULL;
- gchar *content_type = NULL;
- gchar *mime_type = NULL;
-
- *compression = EV_COMPRESSION_NONE;
-
- content_type = g_content_type_guess (NULL, data, length, NULL);
- if (!content_type) {
- g_set_error_literal (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- _("Unknown MIME Type"));
-
- return NULL;
- }
-
- mime_type = g_content_type_get_mime_type (content_type);
- if (!mime_type) {
- g_set_error_literal (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- _("Unknown MIME Type"));
- g_free (content_type);
-
- return NULL;
- }
-
- document = ev_backends_manager_get_document (mime_type);
- if (document == NULL) {
- gchar *mime_desc = NULL;
-
- mime_desc = g_content_type_get_description (content_type);
-
- g_set_error (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- _("File type %s (%s) is not supported"),
- mime_desc ? mime_desc : "-", mime_type);
- g_free (mime_desc);
- g_free (content_type);
- g_free (mime_type);
-
- return NULL;
- }
-
- *compression = get_compression_from_mime_type (mime_type);
-
- g_free (content_type);
- g_free (mime_type);
-
- return document;
-}
-
static void
free_uncompressed_uri (gchar *uri_unc)
{
@@ -310,102 +237,6 @@ ev_document_factory_get_document (const char *uri, GError **error)
return document;
}
-static EvDocument *
-ev_document_factory_load_data (const guchar *data, gsize length, GError **error)
-{
- EvDocument *document;
- int result;
- guchar* data_unc = NULL;
- gsize data_unc_length = 0;
- EvCompressionType compression;
- GError *err = NULL;
-
- document = get_document_from_data (data, length, &compression, &err);
- g_assert (document != NULL || err != NULL);
-
- if (document == NULL) {
- /* Set an error for the caller. */
- g_assert (err != NULL);
- g_propagate_error (error, err);
-
- return NULL;
- }
-
- /* TODO: Implement uncompress for data,
- * returning data, not a URI.
- * This currently uses command-line utilities on files.
- * data_unc = ev_file_uncompress (data, length, compression, &data_unc_length, &err);
- */
- if (data_unc) {
- g_object_set_data_full (G_OBJECT (document),
- "data-uncompressed",
- data_unc,
- g_free);
- g_object_set_data_full (G_OBJECT (document),
- "data-length-uncompressed",
- GSIZE_TO_POINTER(data_unc_length),
- (GDestroyNotify) NULL);
- } else if (err != NULL) {
- /* Error uncompressing file */
- g_object_unref (document);
- g_propagate_error (error, err);
- return NULL;
- }
-
- result = ev_document_load_from_data (document,
- data_unc ? data_unc : data,
- data_unc ? data_unc_length : length,
- &err);
- if (result)
- return document;
-
- if (err) {
- if (g_error_matches (err, EV_DOCUMENT_ERROR, EV_DOCUMENT_ERROR_ENCRYPTED)) {
- g_propagate_error (error, err);
- return document;
- }
- } else {
- /* FIXME: this really should not happen; the backend should
- * always return a meaningful error.
- */
- g_set_error_literal (&err,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- _("Unknown MIME Type"));
- g_propagate_error (error, err);
- }
-
- g_object_unref (document);
-
- return NULL;
-}
-
-/**
- * ev_document_factory_get_document_from_data:
- * @data: The contents of a file.
- * @length: The number of bytes in @data.
- * @error: a #GError location to store an error, or %NULL
- *
- * Creates an #EvDocument for the document contents; or, if no backend handling
- * the document's type is found, or an error occurred on opening the document,
- * returns %NULL and fills in @error.
- * If the document is encrypted, it is returned but also @error is set to
- * %EV_DOCUMENT_ERROR_ENCRYPTED.
- *
- * Returns: (transfer full): a new #EvDocument, or %NULL.
- */
-EvDocument *
-ev_document_factory_get_document_from_data (const guchar *data, gsize length, GError **error)
-{
- g_return_val_if_fail (data != NULL, NULL);
- g_return_val_if_fail (length != 0, NULL);
-
- /* Note that, unlike ev_document_factory_get_document() we can't use
- * both slow and fast mime-type detection, so this is simpler.
- */
- return ev_document_factory_load_data (data, length, error);
-}
-
static void
file_filter_add_mime_types (EvTypeInfo *info, GtkFileFilter *filter)
{
diff --git a/libdocument/ev-document-factory.h b/libdocument/ev-document-factory.h
index 7c3a4e6..501eb2f 100644
--- a/libdocument/ev-document-factory.h
+++ b/libdocument/ev-document-factory.h
@@ -32,7 +32,6 @@
G_BEGIN_DECLS
EvDocument* ev_document_factory_get_document (const char *uri, GError **error);
-EvDocument* ev_document_factory_get_document_from_data (const guchar *data, gsize length, GError **error);
void ev_document_factory_add_filters (GtkWidget *chooser, EvDocument *document);
G_END_DECLS
diff --git a/libdocument/ev-document.c b/libdocument/ev-document.c
index 5f38374..a75862c 100644
--- a/libdocument/ev-document.c
+++ b/libdocument/ev-document.c
@@ -208,76 +208,6 @@ ev_document_fc_mutex_trylock (void)
return g_mutex_trylock (p_ev_fc_mutex);
}
-static void
-ev_document_setup_cache (EvDocument *document)
-{
- gint i;
- EvDocumentPrivate *priv = document->priv;
-
- priv->n_pages = _ev_document_get_n_pages (document);
-
- for (i = 0; i < priv->n_pages; i++) {
- EvPage *page = ev_document_get_page (document, i);
- gdouble page_width = 0;
- gdouble page_height = 0;
- EvPageSize *page_size;
- gchar *page_label;
-
- _ev_document_get_page_size (document, page, &page_width, &page_height);
-
- if (i == 0) {
- priv->uniform_width = page_width;
- priv->uniform_height = page_height;
- priv->max_width = priv->uniform_width;
- priv->max_height = priv->uniform_height;
- priv->min_width = priv->uniform_width;
- priv->min_height = priv->uniform_height;
- } else if (priv->uniform &&
- (priv->uniform_width != page_width ||
- priv->uniform_height != page_height)) {
- /* It's a different page size. Backfill the array. */
- int j;
-
- priv->page_sizes = g_new0 (EvPageSize, priv->n_pages);
-
- for (j = 0; j < i; j++) {
- page_size = &(priv->page_sizes[j]);
- page_size->width = priv->uniform_width;
- page_size->height = priv->uniform_height;
- }
- priv->uniform = FALSE;
- }
- if (!priv->uniform) {
- page_size = &(priv->page_sizes[i]);
-
- page_size->width = page_width;
- page_size->height = page_height;
-
- if (page_width > priv->max_width)
- priv->max_width = page_width;
- if (page_width < priv->min_width)
- priv->min_width = page_width;
-
- if (page_height > priv->max_height)
- priv->max_height = page_height;
- if (page_height < priv->min_height)
- priv->min_height = page_height;
- }
-
- page_label = _ev_document_get_page_label (document, page);
- if (page_label) {
- if (!priv->page_labels)
- priv->page_labels = g_new0 (gchar *, priv->n_pages);
-
- priv->page_labels[i] = page_label;
- priv->max_label = MAX (priv->max_label,
- g_utf8_strlen (page_label, 256));
- }
-
- g_object_unref (page);
- }
-}
-
/**
* ev_document_load:
* @document: a #EvDocument
@@ -319,18 +249,81 @@ ev_document_load (EvDocument *document,
"Internal error in backend");
}
} else {
+ gint i;
+ EvDocumentPrivate *priv = document->priv;
+
/* Cache some info about the document to avoid
* going to the backends since it requires locks
*/
- EvDocumentPrivate *priv = document->priv;
-
priv->uri = g_strdup (uri);
- ev_document_setup_cache (document);
- /* TODO: Support synctex for data as well as URIs? */
+ priv->n_pages = _ev_document_get_n_pages (document);
+
+ for (i = 0; i < priv->n_pages; i++) {
+ EvPage *page = ev_document_get_page (document, i);
+ gdouble page_width = 0;
+ gdouble page_height = 0;
+ EvPageSize *page_size;
+ gchar *page_label;
+
+ _ev_document_get_page_size (document, page, &page_width, &page_height);
+
+ if (i == 0) {
+ priv->uniform_width = page_width;
+ priv->uniform_height = page_height;
+ priv->max_width = priv->uniform_width;
+ priv->max_height = priv->uniform_height;
+ priv->min_width = priv->uniform_width;
+ priv->min_height = priv->uniform_height;
+ } else if (priv->uniform &&
+ (priv->uniform_width != page_width ||
+ priv->uniform_height != page_height)) {
+ /* It's a different page size. Backfill the array. */
+ int j;
+
+ priv->page_sizes = g_new0 (EvPageSize, priv->n_pages);
+
+ for (j = 0; j < i; j++) {
+ page_size = &(priv->page_sizes[j]);
+ page_size->width = priv->uniform_width;
+ page_size->height = priv->uniform_height;
+ }
+ priv->uniform = FALSE;
+ }
+ if (!priv->uniform) {
+ page_size = &(priv->page_sizes[i]);
+
+ page_size->width = page_width;
+ page_size->height = page_height;
+
+ if (page_width > priv->max_width)
+ priv->max_width = page_width;
+ if (page_width < priv->min_width)
+ priv->min_width = page_width;
+
+ if (page_height > priv->max_height)
+ priv->max_height = page_height;
+ if (page_height < priv->min_height)
+ priv->min_height = page_height;
+ }
+
+ page_label = _ev_document_get_page_label (document, page);
+ if (page_label) {
+ if (!priv->page_labels)
+ priv->page_labels = g_new0 (gchar *, priv->n_pages);
+
+ priv->page_labels[i] = page_label;
+ priv->max_label = MAX (priv->max_label,
+ g_utf8_strlen (page_label, 256));
+ }
+
+ g_object_unref (page);
+ }
+
priv->info = _ev_document_get_info (document);
if (_ev_document_support_synctex (document)) {
- gchar *filename = g_filename_from_uri (uri, NULL, NULL);
+ gchar *filename;
+ filename = g_filename_from_uri (uri, NULL, NULL);
if (filename != NULL) {
priv->synctex_scanner =
synctex_scanner_new_with_output_file (filename, NULL, 1);
@@ -343,64 +336,6 @@ ev_document_load (EvDocument *document,
}
/**
- * ev_document_load_from_data:
- * @document: a #EvDocument
- * @data: the document's contents
- * @length: the number of bytes in @data
- * @error: a #GError location to store an error, or %NULL
- *
- * Loads @document from @data.
- *
- * On failure, %FALSE is returned and @error is filled in.
- * If the document is encrypted, %EV_DOCUMENT_ERROR_ENCRYPTED is returned.
- * If the backend cannot load the specific document, %EV_DOCUMENT_ERROR_INVALID
- * is returned. Other errors are possible too, depending on the backend
- * used to load the document and the data, e.g. #GIOError, #GFileError, and
- * #GConvertError.
- *
- * Returns: %TRUE on success, or %FALSE on failure.
- */
-gboolean
-ev_document_load_from_data (EvDocument *document,
- const guchar *data,
- gsize length,
- GError **error)
-{
- EvDocumentClass *klass = EV_DOCUMENT_GET_CLASS (document);
- gboolean retval;
- GError *err = NULL;
-
- if (klass->load_data == NULL) {
- g_set_error_literal (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_UNSUPPORTED,
- "Backend does not support loading documents from data.");
- return FALSE;
- }
- retval = klass->load_data (document, data, length, &err);
- if (!retval) {
- if (err) {
- g_propagate_error (error, err);
- } else {
- g_warning ("%s::EvDocument::load_data returned FALSE but did not fill in @error; fix the backend!\n",
- G_OBJECT_TYPE_NAME (document));
- /* So upper layers don't crash */
- g_set_error_literal (error,
- EV_DOCUMENT_ERROR,
- EV_DOCUMENT_ERROR_INVALID,
- "Internal error in backend");
- }
- } else {
- /* Cache some info about the document to avoid
- * going to the backends since it requires locks
- */
- ev_document_setup_cache (document);
- }
-
- return retval;
-}
-
-/**
* ev_document_save:
* @document:
* @uri: the target URI
diff --git a/libdocument/ev-document.h b/libdocument/ev-document.h
index bb95b28..e1e01c0 100644
--- a/libdocument/ev-document.h
+++ b/libdocument/ev-document.h
@@ -56,8 +56,7 @@ typedef struct _EvDocumentPrivate EvDocumentPrivate;
typedef enum
{
EV_DOCUMENT_ERROR_INVALID,
- EV_DOCUMENT_ERROR_ENCRYPTED,
- EV_DOCUMENT_ERROR_UNSUPPORTED
+ EV_DOCUMENT_ERROR_ENCRYPTED
} EvDocumentError;
typedef struct {
@@ -91,10 +90,6 @@ struct _EvDocumentClass
gboolean (* load) (EvDocument *document,
const char *uri,
GError **error);
- gboolean (* load_data) (EvDocument *document,
- const guchar *data,
- gsize length,
- GError **error);
gboolean (* save) (EvDocument *document,
const char *uri,
GError **error);
@@ -138,10 +133,6 @@ gboolean ev_document_get_backend_info (EvDocument *document,
gboolean ev_document_load (EvDocument *document,
const char *uri,
GError **error);
-gboolean ev_document_load_from_data (EvDocument *document,
- const guchar *data,
- gsize length,
- GError **error);
gboolean ev_document_save (EvDocument *document,
const char *uri,
GError **error);
diff --git a/libview/ev-jobs.c b/libview/ev-jobs.c
index 0c0b1de..23ee586 100644
--- a/libview/ev-jobs.c
+++ b/libview/ev-jobs.c
@@ -972,6 +972,8 @@ ev_job_load_run (EvJob *job)
because, e.g., a password is required - if so, just reload rather than
creating a new instance */
if (job->document) {
+ const gchar *uncompressed_uri;
+
if (job_load->password) {
ev_document_security_set_password (EV_DOCUMENT_SECURITY (job->document),
job_load->password);
@@ -981,30 +983,14 @@ ev_job_load_run (EvJob *job)
job->finished = FALSE;
g_clear_error (&job->error);
- if (job_load->uri) {
- const gchar *uncompressed_uri = g_object_get_data (G_OBJECT (job->document),
- "uri-uncompressed");
- ev_document_load (job->document,
- uncompressed_uri ? uncompressed_uri : job_load->uri,
- &error);
- } else {
- const guchar *uncompressed_data = g_object_get_data (G_OBJECT (job->document),
- "data-uncompressed");
- gsize uncompressed_data_length = GPOINTER_TO_SIZE (g_object_get_data (G_OBJECT (job->document),
- "data-length-uncompressed"));
-
- ev_document_load_from_data (job->document,
- uncompressed_data ? uncompressed_data : job_load->data,
- uncompressed_data ? uncompressed_data_length : job_load->data_length,
- &error);
- }
- } else if (job_load->uri) {
+ uncompressed_uri = g_object_get_data (G_OBJECT (job->document),
+ "uri-uncompressed");
+ ev_document_load (job->document,
+ uncompressed_uri ? uncompressed_uri : job_load->uri,
+ &error);
+ } else {
job->document = ev_document_factory_get_document (job_load->uri,
&error);
- } else {
- job->document = ev_document_factory_get_document_from_data(job_load->data,
- job_load->data_length,
- &error);
}
ev_document_fc_mutex_unlock ();
@@ -1042,20 +1028,6 @@ ev_job_load_new (const gchar *uri)
return EV_JOB (job);
}
-EvJob *
-ev_job_load_new_with_data (const guchar *data, gsize length)
-{
- EvJobLoad *job;
-
- ev_debug_message (DEBUG_JOBS, "data");
-
- job = g_object_new (EV_TYPE_JOB_LOAD, NULL);
- job->data = data;
- job->data_length = length;
-
- return EV_JOB (job);
-}
-
void
ev_job_load_set_uri (EvJobLoad *job, const gchar *uri)
{
diff --git a/libview/ev-jobs.h b/libview/ev-jobs.h
index 4fa5b0e..7596d76 100644
--- a/libview/ev-jobs.h
+++ b/libview/ev-jobs.h
@@ -315,8 +315,6 @@ struct _EvJobLoad
gchar *uri;
gchar *password;
- const guchar *data;
- gsize data_length;
};
struct _EvJobLoadClass
@@ -459,8 +457,6 @@ EvJob *ev_job_fonts_new (EvDocument *document);
/* EvJobLoad */
GType ev_job_load_get_type (void) G_GNUC_CONST;
EvJob *ev_job_load_new (const gchar *uri);
-EvJob *ev_job_load_new_with_data (const guchar *data,
- gsize length);
void ev_job_load_set_uri (EvJobLoad *load,
const gchar *uri);
void ev_job_load_set_password (EvJobLoad *job,
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