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Add pdfioDictGetKey and pdfioDictGetNumPairs APIs (Issue #63)

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Add pdfioArrayRemove and pdfioDictClear APIs (Issue #74)
This commit is contained in:
Michael R Sweet
2024-10-25 17:48:19 -04:00
parent 21ac2b52d1
commit afac83530f
6 changed files with 66 additions and 9 deletions
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24
pdfio-array.c
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@@ -1,7 +1,7 @@
//
// PDF array functions for PDFio.
//
// Copyright © 2021 by Michael R Sweet.
// Copyright © 2021-2024 by Michael R Sweet.
//
// Licensed under Apache License v2.0. See the file "LICENSE" for more
// information.
@@ -637,6 +637,28 @@ _pdfioArrayRead(pdfio_file_t *pdf, // I - PDF file
}
//
// 'pdfioArrayRemove()' - Remove an array entry.
//
bool // O - `true` on success, `false` otherwise
pdfioArrayRemove(pdfio_array_t *a, // I - Array
size_t n) // I - Index
{
if (!a || n >= a->num_values)
return (false);
if (a->values[n].type == PDFIO_VALTYPE_BINARY)
free(a->values[n].value.binary.data);
a->num_values --;
if (n < a->num_values)
memmove(a->values + n, a->values + n + 1, (a->num_values - n) * sizeof(_pdfio_value_t));
return (true);
}
//
// '_pdfioArrayWrite()' - Write an array to a PDF file.
//