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Code Issues Packages Projects Releases Wiki Activity

Info catalog accessors (Issue #9)

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This commit is contained in:
Michael R Sweet
2021-07-06 20:31:30 -04:00
parent 4f6a7ab03f
commit 30343cdb00
6 changed files with 214 additions and 13 deletions
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192
pdfio-file.c
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@ -123,10 +123,11 @@ pdfioFileClose(pdfio_file_t *pdf) // I - PDF file
{
ret = false;
if (write_pages(pdf))
if (write_catalog(pdf))
if (write_trailer(pdf))
ret = _pdfioFileFlush(pdf);
if (pdfioObjClose(pdf->info))
if (write_pages(pdf))
if (write_catalog(pdf))
if (write_trailer(pdf))
ret = _pdfioFileFlush(pdf);
}
if (close(pdf->fd) < 0)
@ -177,6 +178,7 @@ pdfioFileCreate(
{
pdfio_file_t *pdf; // PDF file
pdfio_dict_t *dict; // Dictionary for pages object
pdfio_dict_t *info_dict; // Dictionary for information object
// Range check input...
@ -269,6 +271,24 @@ pdfioFileCreate(
return (NULL);
}
// Create the info object...
if ((info_dict = pdfioDictCreate(pdf)) == NULL)
{
pdfioFileClose(pdf);
unlink(filename);
return (NULL);
}
// pdfioDictSetDate(info_dict, "CreationDate", time(NULL));
pdfioDictSetString(info_dict, "Producer", "pdfio/" PDFIO_VERSION);
if ((pdf->info = pdfioFileCreateObj(pdf, info_dict)) == NULL)
{
pdfioFileClose(pdf);
unlink(filename);
return (NULL);
}
return (pdf);
}
@ -511,6 +531,42 @@ pdfioFileFindObj(
}
//
// 'pdfioFileGetAuthor()' - Get the author for a PDF file.
//
const char * // O - Author or `NULL` for none
pdfioFileGetAuthor(pdfio_file_t *pdf) // I - PDF file
{
return (pdf && pdf->info ? pdfioDictGetString(pdf->info->value.value.dict, "Author") : NULL);
}
//
// 'pdfioFileGetCreationDate()' - Get the creation date for a PDF file.
//
time_t // O - Creation date or `0` for none
pdfioFileGetCreationDate(
pdfio_file_t *pdf) // I - PDF file
{
(void)pdf;
return (0);
// return (pdf && pdf->info ? pdfioDictGetDate(pdf->info->value.value.dict, "CreationDate") : 0);
}
//
// 'pdfioFileGetCreator()' - Get the creator string for a PDF file.
//
const char * // O - Creator string or `NULL` for none
pdfioFileGetCreator(pdfio_file_t *pdf) // I - PDF file
{
return (pdf && pdf->info ? pdfioDictGetString(pdf->info->value.value.dict, "Creator") : NULL);
}
//
// 'pdfioFileGetID()' - Get the PDF file's ID strings.
//
@ -518,7 +574,18 @@ pdfioFileFindObj(
pdfio_array_t * // O - Array with binary strings
pdfioFileGetID(pdfio_file_t *pdf) // I - PDF file
{
return (pdf ? pdfioDictGetArray(pdf->trailer, "ID") : NULL);
return (pdf && pdf->info ? pdfioDictGetArray(pdf->trailer, "ID") : NULL);
}
//
// 'pdfioFileGetKeywords()' - Get the keywords for a PDF file.
//
const char * // O - Keywords string or `NULL` for none
pdfioFileGetKeywords(pdfio_file_t *pdf) // I - PDF file
{
return (pdf && pdf->info ? pdfioDictGetString(pdf->info->value.value.dict, "Keywords") : NULL);
}
@ -586,6 +653,39 @@ pdfioFileGetPage(pdfio_file_t *pdf, // I - PDF file
}
//
// 'pdfioFileGetProducer()' - Get the producer string for a PDF file.
//
const char * // O - Producer string or `NULL` for none
pdfioFileGetProducer(pdfio_file_t *pdf) // I - PDF file
{
return (pdf && pdf->info ? pdfioDictGetString(pdf->info->value.value.dict, "Producer") : NULL);
}
//
// 'pdfioFileGetSubject()' - Get the subject for a PDF file.
//
const char * // O - Subject or `NULL` for none
pdfioFileGetSubject(pdfio_file_t *pdf) // I - PDF file
{
return (pdf && pdf->info ? pdfioDictGetString(pdf->info->value.value.dict, "Subject") : NULL);
}
//
// 'pdfioFileGetTitle()' - Get the title for a PDF file.
//
const char * // O - Title or `NULL` for none
pdfioFileGetTitle(pdfio_file_t *pdf) // I - PDF file
{
return (pdf && pdf->info ? pdfioDictGetString(pdf->info->value.value.dict, "Title") : NULL);
}
//
// 'pdfioFileGetVersion()' - Get the PDF version number for a PDF file.
//
@ -701,6 +801,88 @@ pdfioFileOpen(
}
//
// 'pdfioFileSetAuthor()' - Set the author for a PDF file.
//
void
pdfioFileSetAuthor(pdfio_file_t *pdf, // I - PDF file
const char *value) // I - Value
{
if (pdf && pdf->info)
pdfioDictSetString(pdf->info->value.value.dict, "Author", pdfioStringCreate(pdf, value));
}
//
// 'pdfioFileSetCreationDate()' - Set the creation date for a PDF file.
//
void
pdfioFileSetCreationDate(
pdfio_file_t *pdf, // I - PDF file
time_t value) // I - Value
{
(void)pdf;
(void)value;
// if (pdf && pdf->info)
// pdfioDictSetDate(pdf->info->value.value.dict, "CreationDate", value);
}
//
// 'pdfioFileSetCreator()' - Set the creator string for a PDF file.
//
void
pdfioFileSetCreator(pdfio_file_t *pdf, // I - PDF file
const char *value)// I - Value
{
if (pdf && pdf->info)
pdfioDictSetString(pdf->info->value.value.dict, "Creator", pdfioStringCreate(pdf, value));
}
//
// 'pdfioFileSetKeywords()' - Set the keywords string for a PDF file.
//
void
pdfioFileSetKeywords(
pdfio_file_t *pdf, // I - PDF file
const char *value) // I - Value
{
if (pdf && pdf->info)
pdfioDictSetString(pdf->info->value.value.dict, "Keywords", pdfioStringCreate(pdf, value));
}
//
// 'pdfioFileSetSubject()' - Set the subject for a PDF file.
//
void
pdfioFileSetSubject(pdfio_file_t *pdf, // I - PDF file
const char *value)// I - Value
{
if (pdf && pdf->info)
pdfioDictSetString(pdf->info->value.value.dict, "Subject", pdfioStringCreate(pdf, value));
}
//
// 'pdfioFileSetTitle()' - Set the title for a PDF file.
//
void
pdfioFileSetTitle(pdfio_file_t *pdf, // I - PDF file
const char *value) // I - Value
{
if (pdf && pdf->info)
pdfioDictSetString(pdf->info->value.value.dict, "Title", pdfioStringCreate(pdf, value));
}
//
// '_pdfioObjAdd()' - Add an object to a file.
//