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Modifications asked.

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pdfioDictGetNumKeys -> pdfioDictGetNumPairs

pdfioDictGetKeyByIndex:
    - only return the key string and then only return a const char *

test_mod.c:
    - changed to contemplate the requested modification
This commit is contained in:
David Martin Ferradas 2024-02-10 11:24:39 +01:00
parent ff6c402136
commit 0a1fe0ce73
3 changed files with 431 additions and 518 deletions
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124
pdfio-dict.c
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@ -9,27 +9,23 @@
#include "pdfio-private.h" #include "pdfio-private.h"
// //
// Local functions... // Local functions...
// //
static int compare_pairs(_pdfio_pair_t *a, _pdfio_pair_t *b); static int compare_pairs(_pdfio_pair_t *a, _pdfio_pair_t *b);
// //
// '_pdfioDictClear()' - Remove a key/value pair from a dictionary. // '_pdfioDictClear()' - Remove a key/value pair from a dictionary.
// //
void void _pdfioDictClear(pdfio_dict_t *dict, // I - Dictionary
_pdfioDictClear(pdfio_dict_t *dict, // I - Dictionary
const char *key) // I - Key const char *key) // I - Key
{ {
size_t idx; // Index into pairs size_t idx; // Index into pairs
_pdfio_pair_t *pair, // Current pair _pdfio_pair_t *pair, // Current pair
pkey; // Search key pkey; // Search key
PDFIO_DEBUG("_pdfioDictClear(dict=%p, key=\"%s\")\n", dict, key); PDFIO_DEBUG("_pdfioDictClear(dict=%p, key=\"%s\")\n", dict, key);
// See if the key is already set... // See if the key is already set...
@ -44,7 +40,7 @@ _pdfioDictClear(pdfio_dict_t *dict, // I - Dictionary
free(pair->value.value.binary.data); free(pair->value.value.binary.data);
idx = (size_t)(pair - dict->pairs); idx = (size_t)(pair - dict->pairs);
dict->num_pairs --; dict->num_pairs--;
if (idx < dict->num_pairs) if (idx < dict->num_pairs)
memmove(pair, pair + 1, (dict->num_pairs - idx) * sizeof(_pdfio_pair_t)); memmove(pair, pair + 1, (dict->num_pairs - idx) * sizeof(_pdfio_pair_t));
@ -52,7 +48,6 @@ _pdfioDictClear(pdfio_dict_t *dict, // I - Dictionary
} }
} }
// //
// 'pdfioDictCopy()' - Copy a dictionary to a PDF file. // 'pdfioDictCopy()' - Copy a dictionary to a PDF file.
// //
@ -67,7 +62,6 @@ pdfioDictCopy(pdfio_file_t *pdf, // I - PDF file
const char *key; // Current destination key const char *key; // Current destination key
_pdfio_value_t v; // Current destination value _pdfio_value_t v; // Current destination value
PDFIO_DEBUG("pdfioDictCopy(pdf=%p, dict=%p(%p))\n", pdf, dict, dict ? dict->pdf : NULL); PDFIO_DEBUG("pdfioDictCopy(pdf=%p, dict=%p(%p))\n", pdf, dict, dict ? dict->pdf : NULL);
// Create the new dictionary... // Create the new dictionary...
@ -81,7 +75,7 @@ pdfioDictCopy(pdfio_file_t *pdf, // I - PDF file
ndict->alloc_pairs = dict->num_pairs; ndict->alloc_pairs = dict->num_pairs;
// Copy and add each of the source dictionary's key/value pairs... // Copy and add each of the source dictionary's key/value pairs...
for (i = dict->num_pairs, p = dict->pairs; i > 0; i --, p ++) for (i = dict->num_pairs, p = dict->pairs; i > 0; i--, p++)
{ {
if (!strcmp(p->key, "Length") && p->value.type == PDFIO_VALTYPE_INDIRECT && dict->pdf != pdf) if (!strcmp(p->key, "Length") && p->value.type == PDFIO_VALTYPE_INDIRECT && dict->pdf != pdf)
{ {
@ -119,7 +113,6 @@ pdfioDictCopy(pdfio_file_t *pdf, // I - PDF file
return (ndict); return (ndict);
} }
// //
// 'pdfioDictCreate()' - Create a dictionary to hold key/value pairs. // 'pdfioDictCreate()' - Create a dictionary to hold key/value pairs.
// //
@ -129,7 +122,6 @@ pdfioDictCreate(pdfio_file_t *pdf) // I - PDF file
{ {
pdfio_dict_t *dict; // New dictionary pdfio_dict_t *dict; // New dictionary
if (!pdf) if (!pdf)
return (NULL); return (NULL);
@ -152,12 +144,11 @@ pdfioDictCreate(pdfio_file_t *pdf) // I - PDF file
pdf->alloc_dicts += 16; pdf->alloc_dicts += 16;
} }
pdf->dicts[pdf->num_dicts ++] = dict; pdf->dicts[pdf->num_dicts++] = dict;
return (dict); return (dict);
} }
// //
// '_pdfioDictDecrypt()' - Decrypt the values in a dictionary. // '_pdfioDictDecrypt()' - Decrypt the values in a dictionary.
// //
@ -171,8 +162,7 @@ _pdfioDictDecrypt(pdfio_file_t *pdf, // I - PDF file
size_t i; // Looping var size_t i; // Looping var
_pdfio_pair_t *pair; // Current pair _pdfio_pair_t *pair; // Current pair
for (i = dict->num_pairs, pair = dict->pairs; i > 0; i--, pair++)
for (i = dict->num_pairs, pair = dict->pairs; i > 0; i --, pair ++)
{ {
if (strcmp(pair->key, "ID") && !_pdfioValueDecrypt(pdf, obj, &pair->value, depth + 1)) if (strcmp(pair->key, "ID") && !_pdfioValueDecrypt(pdf, obj, &pair->value, depth + 1))
return (false); return (false);
@ -181,40 +171,35 @@ _pdfioDictDecrypt(pdfio_file_t *pdf, // I - PDF file
return (true); return (true);
} }
// //
// '_pdfioDictDebug()' - Dump a dictionary to stderr. // '_pdfioDictDebug()' - Dump a dictionary to stderr.
// //
void void _pdfioDictDebug(pdfio_dict_t *dict, // I - Dictionary
_pdfioDictDebug(pdfio_dict_t *dict, // I - Dictionary
FILE *fp) // I - Output file FILE *fp) // I - Output file
{ {
size_t i; // Looping var size_t i; // Looping var
_pdfio_pair_t *pair; // Current pair _pdfio_pair_t *pair; // Current pair
for (i = dict->num_pairs, pair = dict->pairs; i > 0; i--, pair++)
for (i = dict->num_pairs, pair = dict->pairs; i > 0; i --, pair ++)
{ {
fprintf(fp, "/%s", pair->key); fprintf(fp, "/%s", pair->key);
_pdfioValueDebug(&pair->value, fp); _pdfioValueDebug(&pair->value, fp);
} }
} }
// //
// '_pdfioDictDelete()' - Free the memory used by a dictionary. // '_pdfioDictDelete()' - Free the memory used by a dictionary.
// //
void void _pdfioDictDelete(pdfio_dict_t *dict) // I - Dictionary
_pdfioDictDelete(pdfio_dict_t *dict) // I - Dictionary
{ {
if (dict) if (dict)
{ {
size_t i; // Looping var size_t i; // Looping var
_pdfio_pair_t *pair; // Current pair _pdfio_pair_t *pair; // Current pair
for (i = dict->num_pairs, pair = dict->pairs; i > 0; i --, pair ++) for (i = dict->num_pairs, pair = dict->pairs; i > 0; i--, pair++)
{ {
if (pair->value.type == PDFIO_VALTYPE_BINARY) if (pair->value.type == PDFIO_VALTYPE_BINARY)
free(pair->value.value.binary.data); free(pair->value.value.binary.data);
@ -226,7 +211,6 @@ _pdfioDictDelete(pdfio_dict_t *dict) // I - Dictionary
free(dict); free(dict);
} }
// //
// 'pdfioDictGetArray()' - Get a key array value from a dictionary. // 'pdfioDictGetArray()' - Get a key array value from a dictionary.
// //
@ -237,14 +221,12 @@ pdfioDictGetArray(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_ARRAY) if (value && value->type == PDFIO_VALTYPE_ARRAY)
return (value->value.array); return (value->value.array);
else else
return (NULL); return (NULL);
} }
// //
// 'pdfioDictGetBinary()' - Get a key binary string value from a dictionary. // 'pdfioDictGetBinary()' - Get a key binary string value from a dictionary.
// //
@ -252,11 +234,10 @@ pdfioDictGetArray(pdfio_dict_t *dict, // I - Dictionary
unsigned char * // O - Value unsigned char * // O - Value
pdfioDictGetBinary(pdfio_dict_t *dict, // I - Dictionary pdfioDictGetBinary(pdfio_dict_t *dict, // I - Dictionary
const char *key, // I - Key const char *key, // I - Key
size_t *length)// O - Length of value size_t *length) // O - Length of value
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (!length) if (!length)
return (NULL); return (NULL);
@ -277,7 +258,6 @@ pdfioDictGetBinary(pdfio_dict_t *dict, // I - Dictionary
} }
} }
// //
// 'pdfioDictGetBoolean()' - Get a key boolean value from a dictionary. // 'pdfioDictGetBoolean()' - Get a key boolean value from a dictionary.
// //
@ -288,14 +268,12 @@ pdfioDictGetBoolean(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_BOOLEAN) if (value && value->type == PDFIO_VALTYPE_BOOLEAN)
return (value->value.boolean); return (value->value.boolean);
else else
return (false); return (false);
} }
// //
// 'pdfioDictGetDate()' - Get a date value from a dictionary. // 'pdfioDictGetDate()' - Get a date value from a dictionary.
// //
@ -306,14 +284,12 @@ pdfioDictGetDate(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_DATE) if (value && value->type == PDFIO_VALTYPE_DATE)
return (value->value.date); return (value->value.date);
else else
return (0); return (0);
} }
// //
// 'pdfioDictGetDict()' - Get a key dictionary value from a dictionary. // 'pdfioDictGetDict()' - Get a key dictionary value from a dictionary.
// //
@ -324,14 +300,12 @@ pdfioDictGetDict(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_DICT) if (value && value->type == PDFIO_VALTYPE_DICT)
return (value->value.dict); return (value->value.dict);
else else
return (NULL); return (NULL);
} }
// //
// 'pdfioDictGetName()' - Get a key name value from a dictionary. // 'pdfioDictGetName()' - Get a key name value from a dictionary.
// //
@ -342,14 +316,12 @@ pdfioDictGetName(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_NAME) if (value && value->type == PDFIO_VALTYPE_NAME)
return (value->value.name); return (value->value.name);
else else
return (NULL); return (NULL);
} }
// //
// 'pdfioDictGetNumber()' - Get a key number value from a dictionary. // 'pdfioDictGetNumber()' - Get a key number value from a dictionary.
// //
@ -360,14 +332,12 @@ pdfioDictGetNumber(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_NUMBER) if (value && value->type == PDFIO_VALTYPE_NUMBER)
return (value->value.number); return (value->value.number);
else else
return (0.0); return (0.0);
} }
// //
// 'pdfioDictGetObj()' - Get a key indirect object value from a dictionary. // 'pdfioDictGetObj()' - Get a key indirect object value from a dictionary.
// //
@ -378,14 +348,12 @@ pdfioDictGetObj(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_INDIRECT) if (value && value->type == PDFIO_VALTYPE_INDIRECT)
return (pdfioFileFindObj(dict->pdf, value->value.indirect.number)); return (pdfioFileFindObj(dict->pdf, value->value.indirect.number));
else else
return (NULL); return (NULL);
} }
// //
// 'pdfioDictGetRect()' - Get a key rectangle value from a dictionary. // 'pdfioDictGetRect()' - Get a key rectangle value from a dictionary.
// //
@ -397,7 +365,6 @@ pdfioDictGetRect(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_ARRAY && pdfioArrayGetSize(value->value.array) == 4) if (value && value->type == PDFIO_VALTYPE_ARRAY && pdfioArrayGetSize(value->value.array) == 4)
{ {
rect->x1 = pdfioArrayGetNumber(value->value.array, 0); rect->x1 = pdfioArrayGetNumber(value->value.array, 0);
@ -413,7 +380,6 @@ pdfioDictGetRect(pdfio_dict_t *dict, // I - Dictionary
} }
} }
// //
// 'pdfioDictGetString()' - Get a key string value from a dictionary. // 'pdfioDictGetString()' - Get a key string value from a dictionary.
// //
@ -424,14 +390,12 @@ pdfioDictGetString(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
if (value && value->type == PDFIO_VALTYPE_STRING) if (value && value->type == PDFIO_VALTYPE_STRING)
return (value->value.string); return (value->value.string);
else else
return (NULL); return (NULL);
} }
// //
// 'pdfioDictGetType()' - Get a key value type from a dictionary. // 'pdfioDictGetType()' - Get a key value type from a dictionary.
// //
@ -442,11 +406,9 @@ pdfioDictGetType(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t *value = _pdfioDictGetValue(dict, key); _pdfio_value_t *value = _pdfioDictGetValue(dict, key);
return (value ? value->type : PDFIO_VALTYPE_NONE); return (value ? value->type : PDFIO_VALTYPE_NONE);
} }
// //
// '_pdfioDictGetValue()' - Get a key value from a dictionary. // '_pdfioDictGetValue()' - Get a key value from a dictionary.
// //
@ -458,7 +420,6 @@ _pdfioDictGetValue(pdfio_dict_t *dict, // I - Dictionary
_pdfio_pair_t temp, // Search key _pdfio_pair_t temp, // Search key
*match; // Matching key pair *match; // Matching key pair
PDFIO_DEBUG("_pdfioDictGetValue(dict=%p, key=\"%s\")\n", dict, key); PDFIO_DEBUG("_pdfioDictGetValue(dict=%p, key=\"%s\")\n", dict, key);
if (!dict || !dict->num_pairs || !key) if (!dict || !dict->num_pairs || !key)
@ -483,7 +444,6 @@ _pdfioDictGetValue(pdfio_dict_t *dict, // I - Dictionary
} }
} }
// //
// 'pdfioDictIterateKeys()' - Iterate the keys in a dictionary. // 'pdfioDictIterateKeys()' - Iterate the keys in a dictionary.
// //
@ -503,8 +463,7 @@ _pdfioDictGetValue(pdfio_dict_t *dict, // I - Dictionary
// have been iterated. // have been iterated.
// //
void void pdfioDictIterateKeys(
pdfioDictIterateKeys(
pdfio_dict_t *dict, // I - Dictionary pdfio_dict_t *dict, // I - Dictionary
pdfio_dict_cb_t cb, // I - Callback function pdfio_dict_cb_t cb, // I - Callback function
void *cb_data) // I - Callback data void *cb_data) // I - Callback data
@ -512,12 +471,11 @@ pdfioDictIterateKeys(
size_t i; // Looping var size_t i; // Looping var
_pdfio_pair_t *pair; // Current pair _pdfio_pair_t *pair; // Current pair
// Range check input... // Range check input...
if (!dict || !cb) if (!dict || !cb)
return; return;
for (i = dict->num_pairs, pair = dict->pairs; i > 0; i --, pair ++) for (i = dict->num_pairs, pair = dict->pairs; i > 0; i--, pair++)
{ {
if (!(cb)(dict, pair->key, cb_data)) if (!(cb)(dict, pair->key, cb_data))
break; break;
@ -529,9 +487,11 @@ pdfioDictIterateKeys(
// //
size_t // O - Number of keys size_t // O - Number of keys
pdfioDictGetNumKeys(pdfio_dict_t *dict) // I - Dictionary pdfioDictGetNumPairs(pdfio_dict_t *dict) // I - Dictionary
{ {
if (dict)
return (dict->num_pairs); return (dict->num_pairs);
return (0);
} }
// //
@ -539,20 +499,13 @@ pdfioDictGetNumKeys(pdfio_dict_t *dict) // I - Dictionary
// //
// Alternative form to enumerate the keys of a dictionary // Alternative form to enumerate the keys of a dictionary
bool // O - Value const char * // O - Value
pdfioDictGetKeyByIndex(pdfio_dict_t *dict, // I - Dictionary pdfioDictGetKeyByIndex(pdfio_dict_t *dict, // I - Dictionary
size_t index, // I - Index size_t index) // I - Index
pdfio_dictKey_t *key) // I - struct pointer
{ {
if (index < dict->num_pairs) if (index < dict->num_pairs)
{ return (dict->pairs[index].key);
if (key){ return (NULL);
key->key = dict->pairs[index].key;
key->type = (pdfio_valtype_t **)(dict->pairs[index].value.type);
return (true);
}
}
return (false);
} }
// //
@ -571,7 +524,6 @@ _pdfioDictRead(pdfio_file_t *pdf, // I - PDF file
char key[256]; // Dictionary key char key[256]; // Dictionary key
_pdfio_value_t value; // Dictionary value _pdfio_value_t value; // Dictionary value
PDFIO_DEBUG("_pdfioDictRead(pdf=%p, obj=%p, tb=%p, depth=%lu)\n", pdf, obj, tb, (unsigned long)depth); PDFIO_DEBUG("_pdfioDictRead(pdf=%p, obj=%p, tb=%p, depth=%lu)\n", pdf, obj, tb, (unsigned long)depth);
// Create a dictionary and start reading... // Create a dictionary and start reading...
@ -618,7 +570,6 @@ _pdfioDictRead(pdfio_file_t *pdf, // I - PDF file
return (NULL); return (NULL);
} }
// //
// 'pdfioDictSetArray()' - Set a key array in a dictionary. // 'pdfioDictSetArray()' - Set a key array in a dictionary.
// //
@ -630,7 +581,6 @@ pdfioDictSetArray(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key || !value) if (!dict || !key || !value)
return (false); return (false);
@ -642,12 +592,10 @@ pdfioDictSetArray(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetBinary()' - Set a key binary string in a dictionary. // 'pdfioDictSetBinary()' - Set a key binary string in a dictionary.
// //
bool // O - `true` on success, `false` on failure bool // O - `true` on success, `false` on failure
pdfioDictSetBinary( pdfioDictSetBinary(
pdfio_dict_t *dict, // I - Dictionary pdfio_dict_t *dict, // I - Dictionary
@ -657,7 +605,6 @@ pdfioDictSetBinary(
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key || !value || !valuelen) if (!dict || !key || !value || !valuelen)
return (false); return (false);
@ -680,7 +627,6 @@ pdfioDictSetBinary(
return (true); return (true);
} }
// //
// 'pdfioDictSetBoolean()' - Set a key boolean in a dictionary. // 'pdfioDictSetBoolean()' - Set a key boolean in a dictionary.
// //
@ -692,7 +638,6 @@ pdfioDictSetBoolean(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key) if (!dict || !key)
return (false); return (false);
@ -704,7 +649,6 @@ pdfioDictSetBoolean(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetDate()' - Set a date value in a dictionary. // 'pdfioDictSetDate()' - Set a date value in a dictionary.
// //
@ -716,7 +660,6 @@ pdfioDictSetDate(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key) if (!dict || !key)
return (false); return (false);
@ -728,7 +671,6 @@ pdfioDictSetDate(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetDict()' - Set a key dictionary in a dictionary. // 'pdfioDictSetDict()' - Set a key dictionary in a dictionary.
// //
@ -740,7 +682,6 @@ pdfioDictSetDict(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key || !value) if (!dict || !key || !value)
return (false); return (false);
@ -752,7 +693,6 @@ pdfioDictSetDict(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetName()' - Set a key name in a dictionary. // 'pdfioDictSetName()' - Set a key name in a dictionary.
// //
@ -764,7 +704,6 @@ pdfioDictSetName(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key || !value) if (!dict || !key || !value)
return (false); return (false);
@ -776,7 +715,6 @@ pdfioDictSetName(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetNull()' - Set a key null in a dictionary. // 'pdfioDictSetNull()' - Set a key null in a dictionary.
// //
@ -787,7 +725,6 @@ pdfioDictSetNull(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key) if (!dict || !key)
return (false); return (false);
@ -798,7 +735,6 @@ pdfioDictSetNull(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetNumber()' - Set a key number in a dictionary. // 'pdfioDictSetNumber()' - Set a key number in a dictionary.
// //
@ -810,7 +746,6 @@ pdfioDictSetNumber(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key) if (!dict || !key)
return (false); return (false);
@ -822,7 +757,6 @@ pdfioDictSetNumber(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetObj()' - Set a key indirect object reference in a dictionary. // 'pdfioDictSetObj()' - Set a key indirect object reference in a dictionary.
// //
@ -834,7 +768,6 @@ pdfioDictSetObj(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key || !value) if (!dict || !key || !value)
return (false); return (false);
@ -847,7 +780,6 @@ pdfioDictSetObj(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetRect()' - Set a key rectangle in a dictionary. // 'pdfioDictSetRect()' - Set a key rectangle in a dictionary.
// //
@ -859,7 +791,6 @@ pdfioDictSetRect(pdfio_dict_t *dict, // I - Dictionary
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key || !value) if (!dict || !key || !value)
return (false); return (false);
@ -876,7 +807,6 @@ pdfioDictSetRect(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetString()' - Set a key literal string in a dictionary. // 'pdfioDictSetString()' - Set a key literal string in a dictionary.
// //
@ -884,11 +814,10 @@ pdfioDictSetRect(pdfio_dict_t *dict, // I - Dictionary
bool // O - `true` on success, `false` on failure bool // O - `true` on success, `false` on failure
pdfioDictSetString(pdfio_dict_t *dict, // I - Dictionary pdfioDictSetString(pdfio_dict_t *dict, // I - Dictionary
const char *key, // I - Key const char *key, // I - Key
const char *value)// I - Value const char *value) // I - Value
{ {
_pdfio_value_t temp; // New value _pdfio_value_t temp; // New value
// Range check input... // Range check input...
if (!dict || !key || !value) if (!dict || !key || !value)
return (false); return (false);
@ -900,7 +829,6 @@ pdfioDictSetString(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioDictSetValue(dict, key, &temp)); return (_pdfioDictSetValue(dict, key, &temp));
} }
// //
// 'pdfioDictSetStringf()' - Set a key formatted string in a dictionary. // 'pdfioDictSetStringf()' - Set a key formatted string in a dictionary.
// //
@ -915,7 +843,6 @@ pdfioDictSetStringf(
char buffer[8192]; // String buffer char buffer[8192]; // String buffer
va_list ap; // Argument list va_list ap; // Argument list
// Range check input... // Range check input...
if (!dict || !key || !format) if (!dict || !key || !format)
return (false); return (false);
@ -928,7 +855,6 @@ pdfioDictSetStringf(
return (pdfioDictSetString(dict, key, buffer)); return (pdfioDictSetString(dict, key, buffer));
} }
// //
// '_pdfioDictSetValue()' - Set a key value in a dictionary. // '_pdfioDictSetValue()' - Set a key value in a dictionary.
// //
@ -941,7 +867,6 @@ _pdfioDictSetValue(
{ {
_pdfio_pair_t *pair; // Current pair _pdfio_pair_t *pair; // Current pair
PDFIO_DEBUG("_pdfioDictSetValue(dict=%p, key=\"%s\", value=%p)\n", dict, key, (void *)value); PDFIO_DEBUG("_pdfioDictSetValue(dict=%p, key=\"%s\", value=%p)\n", dict, key, (void *)value);
// See if the key is already set... // See if the key is already set...
@ -979,7 +904,7 @@ _pdfioDictSetValue(
} }
pair = dict->pairs + dict->num_pairs; pair = dict->pairs + dict->num_pairs;
dict->num_pairs ++; dict->num_pairs++;
pair->key = key; pair->key = key;
pair->value = *value; pair->value = *value;
@ -998,7 +923,6 @@ _pdfioDictSetValue(
return (true); return (true);
} }
// //
// '_pdfioDictWrite()' - Write a dictionary to a PDF file. // '_pdfioDictWrite()' - Write a dictionary to a PDF file.
// //
@ -1012,7 +936,6 @@ _pdfioDictWrite(pdfio_dict_t *dict, // I - Dictionary
size_t i; // Looping var size_t i; // Looping var
_pdfio_pair_t *pair; // Current key/value pair _pdfio_pair_t *pair; // Current key/value pair
if (length) if (length)
*length = 0; *length = 0;
@ -1021,7 +944,7 @@ _pdfioDictWrite(pdfio_dict_t *dict, // I - Dictionary
return (false); return (false);
// Write all of the key/value pairs... // Write all of the key/value pairs...
for (i = dict->num_pairs, pair = dict->pairs; i > 0; i --, pair ++) for (i = dict->num_pairs, pair = dict->pairs; i > 0; i--, pair++)
{ {
if (!_pdfioFilePrintf(pdf, "/%s", pair->key)) if (!_pdfioFilePrintf(pdf, "/%s", pair->key))
return (false); return (false);
@ -1041,7 +964,6 @@ _pdfioDictWrite(pdfio_dict_t *dict, // I - Dictionary
return (_pdfioFilePuts(pdf, ">>")); return (_pdfioFilePuts(pdf, ">>"));
} }
// //
// 'compare_pairs()' - Compare the keys for two pairs. // 'compare_pairs()' - Compare the keys for two pairs.
// //

374
pdfio.h
View File

@ -8,67 +8,65 @@
// //
#ifndef PDFIO_H #ifndef PDFIO_H
# define PDFIO_H #define PDFIO_H
# include <stdio.h> #include <stdio.h>
# include <stdlib.h> #include <stdlib.h>
# include <stdbool.h> #include <stdbool.h>
# include <sys/types.h> #include <sys/types.h>
# include <time.h> #include <time.h>
# ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C"
# endif // __cplusplus
//
// Version number...
//
# define PDFIO_VERSION "1.2.1"
//
// Visibility and other annotations...
//
# if defined(__has_extension) || defined(__GNUC__)
# define _PDFIO_PUBLIC __attribute__ ((visibility("default")))
# define _PDFIO_FORMAT(a,b) __attribute__ ((__format__(__printf__, a,b)))
# define _PDFIO_DEPRECATED __attribute__ ((deprecated)) _PDFIO_PUBLIC
# else
# define _PDFIO_PUBLIC
# define _PDFIO_FORMAT(a,b)
# define _PDFIO_DEPRECATED
# endif // __has_extension || __GNUC__
//
// Types and constants...
//
# if _WIN32
typedef __int64 ssize_t; // POSIX type not present on Windows... @private@
# endif // _WIN32
typedef struct _pdfio_array_s pdfio_array_t;
// Array of PDF values
typedef struct _pdfio_dict_s pdfio_dict_t;
// Key/value dictionary
typedef bool (*pdfio_dict_cb_t)(pdfio_dict_t *dict, const char *key, void *cb_data);
// Dictionary iterator callback
typedef struct _pdfio_file_s pdfio_file_t;
// PDF file
typedef bool (*pdfio_error_cb_t)(pdfio_file_t *pdf, const char *message, void *data);
// Error callback
typedef enum pdfio_encryption_e // PDF encryption modes
{ {
#endif // __cplusplus
//
// Version number...
//
#define PDFIO_VERSION "1.2.1"
//
// Visibility and other annotations...
//
#if defined(__has_extension) || defined(__GNUC__)
#define _PDFIO_PUBLIC __attribute__((visibility("default")))
#define _PDFIO_FORMAT(a, b) __attribute__((__format__(__printf__, a, b)))
#define _PDFIO_DEPRECATED __attribute__((deprecated)) _PDFIO_PUBLIC
#else
#define _PDFIO_PUBLIC
#define _PDFIO_FORMAT(a, b)
#define _PDFIO_DEPRECATED
#endif // __has_extension || __GNUC__
//
// Types and constants...
//
#if _WIN32
typedef __int64 ssize_t; // POSIX type not present on Windows... @private@
#endif // _WIN32
typedef struct _pdfio_array_s pdfio_array_t;
// Array of PDF values
typedef struct _pdfio_dict_s pdfio_dict_t;
// Key/value dictionary
typedef bool (*pdfio_dict_cb_t)(pdfio_dict_t *dict, const char *key, void *cb_data);
// Dictionary iterator callback
typedef struct _pdfio_file_s pdfio_file_t;
// PDF file
typedef bool (*pdfio_error_cb_t)(pdfio_file_t *pdf, const char *message, void *data);
// Error callback
typedef enum pdfio_encryption_e // PDF encryption modes
{
PDFIO_ENCRYPTION_NONE = 0, // No encryption PDFIO_ENCRYPTION_NONE = 0, // No encryption
PDFIO_ENCRYPTION_RC4_40, // 40-bit RC4 encryption (PDF 1.3) PDFIO_ENCRYPTION_RC4_40, // 40-bit RC4 encryption (PDF 1.3)
PDFIO_ENCRYPTION_RC4_128, // 128-bit RC4 encryption (PDF 1.4) PDFIO_ENCRYPTION_RC4_128, // 128-bit RC4 encryption (PDF 1.4)
PDFIO_ENCRYPTION_AES_128, // 128-bit AES encryption (PDF 1.6) PDFIO_ENCRYPTION_AES_128, // 128-bit AES encryption (PDF 1.6)
PDFIO_ENCRYPTION_AES_256 // 256-bit AES encryption (PDF 2.0) @exclude all@ PDFIO_ENCRYPTION_AES_256 // 256-bit AES encryption (PDF 2.0) @exclude all@
} pdfio_encryption_t; } pdfio_encryption_t;
typedef enum pdfio_filter_e // Compression/decompression filters for streams typedef enum pdfio_filter_e // Compression/decompression filters for streams
{ {
PDFIO_FILTER_NONE, // No filter PDFIO_FILTER_NONE, // No filter
PDFIO_FILTER_ASCIIHEX, // ASCIIHexDecode filter (reading only) PDFIO_FILTER_ASCIIHEX, // ASCIIHexDecode filter (reading only)
PDFIO_FILTER_ASCII85, // ASCII85Decode filter (reading only) PDFIO_FILTER_ASCII85, // ASCII85Decode filter (reading only)
@ -80,14 +78,14 @@ typedef enum pdfio_filter_e // Compression/decompression filters for streams
PDFIO_FILTER_JPX, // JPXDecode filter (reading only) PDFIO_FILTER_JPX, // JPXDecode filter (reading only)
PDFIO_FILTER_LZW, // LZWDecode filter (reading only) PDFIO_FILTER_LZW, // LZWDecode filter (reading only)
PDFIO_FILTER_RUNLENGTH, // RunLengthDecode filter (reading only) PDFIO_FILTER_RUNLENGTH, // RunLengthDecode filter (reading only)
} pdfio_filter_t; } pdfio_filter_t;
typedef struct _pdfio_obj_s pdfio_obj_t;// Numbered object in PDF file typedef struct _pdfio_obj_s pdfio_obj_t; // Numbered object in PDF file
typedef ssize_t (*pdfio_output_cb_t)(void *ctx, const void *data, size_t datalen); typedef ssize_t (*pdfio_output_cb_t)(void *ctx, const void *data, size_t datalen);
// Output callback for pdfioFileCreateOutput // Output callback for pdfioFileCreateOutput
typedef const char *(*pdfio_password_cb_t)(void *data, const char *filename); typedef const char *(*pdfio_password_cb_t)(void *data, const char *filename);
// Password callback for pdfioFileOpen // Password callback for pdfioFileOpen
enum pdfio_permission_e // PDF permission bits enum pdfio_permission_e // PDF permission bits
{ {
PDFIO_PERMISSION_NONE = 0, // No permissions PDFIO_PERMISSION_NONE = 0, // No permissions
PDFIO_PERMISSION_PRINT = 0x0004, // PDF allows printing PDFIO_PERMISSION_PRINT = 0x0004, // PDF allows printing
PDFIO_PERMISSION_MODIFY = 0x0008, // PDF allows modification PDFIO_PERMISSION_MODIFY = 0x0008, // PDF allows modification
@ -98,19 +96,19 @@ enum pdfio_permission_e // PDF permission bits
PDFIO_PERMISSION_ASSEMBLE = 0x0400, // PDF allows assembly (insert, delete, or rotate pages, add document outlines and thumbnails) PDFIO_PERMISSION_ASSEMBLE = 0x0400, // PDF allows assembly (insert, delete, or rotate pages, add document outlines and thumbnails)
PDFIO_PERMISSION_PRINT_HIGH = 0x0800, // PDF allows high quality printing PDFIO_PERMISSION_PRINT_HIGH = 0x0800, // PDF allows high quality printing
PDFIO_PERMISSION_ALL = ~0 // All permissions PDFIO_PERMISSION_ALL = ~0 // All permissions
}; };
typedef int pdfio_permission_t; // PDF permission bitfield typedef int pdfio_permission_t; // PDF permission bitfield
typedef struct pdfio_rect_s // PDF rectangle typedef struct pdfio_rect_s // PDF rectangle
{ {
double x1; // Lower-left X coordinate double x1; // Lower-left X coordinate
double y1; // Lower-left Y coordinate double y1; // Lower-left Y coordinate
double x2; // Upper-right X coordinate double x2; // Upper-right X coordinate
double y2; // Upper-right Y coordinate double y2; // Upper-right Y coordinate
} pdfio_rect_t; } pdfio_rect_t;
typedef struct _pdfio_stream_s pdfio_stream_t; typedef struct _pdfio_stream_s pdfio_stream_t;
// Object data stream in PDF file // Object data stream in PDF file
typedef enum pdfio_valtype_e // PDF value types typedef enum pdfio_valtype_e // PDF value types
{ {
PDFIO_VALTYPE_NONE, // No value, not set PDFIO_VALTYPE_NONE, // No value, not set
PDFIO_VALTYPE_ARRAY, // Array PDFIO_VALTYPE_ARRAY, // Array
PDFIO_VALTYPE_BINARY, // Binary data PDFIO_VALTYPE_BINARY, // Binary data
@ -122,137 +120,129 @@ typedef enum pdfio_valtype_e // PDF value types
PDFIO_VALTYPE_NULL, // Null object PDFIO_VALTYPE_NULL, // Null object
PDFIO_VALTYPE_NUMBER, // Number (integer or real) PDFIO_VALTYPE_NUMBER, // Number (integer or real)
PDFIO_VALTYPE_STRING // String PDFIO_VALTYPE_STRING // String
} pdfio_valtype_t; } pdfio_valtype_t;
// Alternative PDF dict key enumeration
typedef struct pdfio_dictKey_s
{
const char *key;
pdfio_valtype_t **type;
} pdfio_dictKey_t;
//
// Functions...
//
// extern bool pdfioArrayAppendArray(pdfio_array_t *a, pdfio_array_t *value) _PDFIO_PUBLIC;
// Functions... extern bool pdfioArrayAppendBinary(pdfio_array_t *a, const unsigned char *value, size_t valuelen) _PDFIO_PUBLIC;
// extern bool pdfioArrayAppendBoolean(pdfio_array_t *a, bool value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendDate(pdfio_array_t *a, time_t value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendDict(pdfio_array_t *a, pdfio_dict_t *value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendName(pdfio_array_t *a, const char *value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendNumber(pdfio_array_t *a, double value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendObj(pdfio_array_t *a, pdfio_obj_t *value) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendString(pdfio_array_t *a, const char *value) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCopy(pdfio_file_t *pdf, pdfio_array_t *a) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCreate(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayGetArray(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern unsigned char *pdfioArrayGetBinary(pdfio_array_t *a, size_t n, size_t *length) _PDFIO_PUBLIC;
extern bool pdfioArrayGetBoolean(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern time_t pdfioArrayGetDate(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioArrayGetDict(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern const char *pdfioArrayGetName(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern double pdfioArrayGetNumber(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioArrayGetObj(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern size_t pdfioArrayGetSize(pdfio_array_t *a) _PDFIO_PUBLIC;
extern const char *pdfioArrayGetString(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern pdfio_valtype_t pdfioArrayGetType(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendArray(pdfio_array_t *a, pdfio_array_t *value) _PDFIO_PUBLIC; extern pdfio_dict_t *pdfioDictCopy(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendBinary(pdfio_array_t *a, const unsigned char *value, size_t valuelen) _PDFIO_PUBLIC; extern pdfio_dict_t *pdfioDictCreate(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendBoolean(pdfio_array_t *a, bool value) _PDFIO_PUBLIC; extern pdfio_array_t *pdfioDictGetArray(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendDate(pdfio_array_t *a, time_t value) _PDFIO_PUBLIC; extern unsigned char *pdfioDictGetBinary(pdfio_dict_t *dict, const char *key, size_t *length) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendDict(pdfio_array_t *a, pdfio_dict_t *value) _PDFIO_PUBLIC; extern bool pdfioDictGetBoolean(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendName(pdfio_array_t *a, const char *value) _PDFIO_PUBLIC; extern time_t pdfioDictGetDate(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendNumber(pdfio_array_t *a, double value) _PDFIO_PUBLIC; extern pdfio_dict_t *pdfioDictGetDict(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendObj(pdfio_array_t *a, pdfio_obj_t *value) _PDFIO_PUBLIC; extern const char *pdfioDictGetName(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioArrayAppendString(pdfio_array_t *a, const char *value) _PDFIO_PUBLIC; extern double pdfioDictGetNumber(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCopy(pdfio_file_t *pdf, pdfio_array_t *a) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioDictGetObj(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayCreate(pdfio_file_t *pdf) _PDFIO_PUBLIC; extern pdfio_rect_t *pdfioDictGetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *rect) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioArrayGetArray(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern const char *pdfioDictGetString(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern unsigned char *pdfioArrayGetBinary(pdfio_array_t *a, size_t n, size_t *length) _PDFIO_PUBLIC; extern pdfio_valtype_t pdfioDictGetType(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioArrayGetBoolean(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern size_t pdfioDictGetNumPairs(pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern time_t pdfioArrayGetDate(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern const char *pdfioDictGetKeyByIndex(pdfio_dict_t *dict, size_t index) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioArrayGetDict(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern void pdfioDictIterateKeys(pdfio_dict_t *dict, pdfio_dict_cb_t cb, void *cb_data) _PDFIO_PUBLIC;
extern const char *pdfioArrayGetName(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern bool pdfioDictSetArray(pdfio_dict_t *dict, const char *key, pdfio_array_t *value) _PDFIO_PUBLIC;
extern double pdfioArrayGetNumber(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern bool pdfioDictSetBinary(pdfio_dict_t *dict, const char *key, const unsigned char *value, size_t valuelen) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioArrayGetObj(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern bool pdfioDictSetBoolean(pdfio_dict_t *dict, const char *key, bool value) _PDFIO_PUBLIC;
extern size_t pdfioArrayGetSize(pdfio_array_t *a) _PDFIO_PUBLIC; extern bool pdfioDictSetDate(pdfio_dict_t *dict, const char *key, time_t value) _PDFIO_PUBLIC;
extern const char *pdfioArrayGetString(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern bool pdfioDictSetDict(pdfio_dict_t *dict, const char *key, pdfio_dict_t *value) _PDFIO_PUBLIC;
extern pdfio_valtype_t pdfioArrayGetType(pdfio_array_t *a, size_t n) _PDFIO_PUBLIC; extern bool pdfioDictSetName(pdfio_dict_t *dict, const char *key, const char *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetNull(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC;
extern bool pdfioDictSetNumber(pdfio_dict_t *dict, const char *key, double value) _PDFIO_PUBLIC;
extern bool pdfioDictSetObj(pdfio_dict_t *dict, const char *key, pdfio_obj_t *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetString(pdfio_dict_t *dict, const char *key, const char *value) _PDFIO_PUBLIC;
extern bool pdfioDictSetStringf(pdfio_dict_t *dict, const char *key, const char *format, ...) _PDFIO_PUBLIC _PDFIO_FORMAT(3, 4);
extern pdfio_dict_t *pdfioDictCopy(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC; extern bool pdfioFileClose(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioDictCreate(pdfio_file_t *pdf) _PDFIO_PUBLIC; extern pdfio_file_t *pdfioFileCreate(const char *filename, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioDictGetArray(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioFileCreateArrayObj(pdfio_file_t *pdf, pdfio_array_t *array) _PDFIO_PUBLIC;
extern unsigned char *pdfioDictGetBinary(pdfio_dict_t *dict, const char *key, size_t *length) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioFileCreateNumberObj(pdfio_file_t *pdf, double number) _PDFIO_PUBLIC;
extern bool pdfioDictGetBoolean(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioFileCreateObj(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern time_t pdfioDictGetDate(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern pdfio_file_t *pdfioFileCreateOutput(pdfio_output_cb_t output_cb, void *output_ctx, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioDictGetDict(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; // TODO: Add number, array, string, etc. versions of pdfioFileCreateObject?
extern const char *pdfioDictGetName(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern pdfio_stream_t *pdfioFileCreatePage(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC;
extern double pdfioDictGetNumber(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioFileCreateStringObj(pdfio_file_t *pdf, const char *s) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioDictGetObj(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern pdfio_file_t *pdfioFileCreateTemporary(char *buffer, size_t bufsize, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern pdfio_rect_t *pdfioDictGetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *rect) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioFileFindObj(pdfio_file_t *pdf, size_t number) _PDFIO_PUBLIC;
extern const char *pdfioDictGetString(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern const char *pdfioFileGetAuthor(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_valtype_t pdfioDictGetType(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern time_t pdfioFileGetCreationDate(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern size_t pdfioDictGetNumKeys(pdfio_dict_t *dict) _PDFIO_PUBLIC; extern const char *pdfioFileGetCreator(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictGetKeyByIndex(pdfio_dict_t *dict, size_t index, pdfio_dictKey_t *keyData) _PDFIO_PUBLIC; extern pdfio_array_t *pdfioFileGetID(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern void pdfioDictIterateKeys(pdfio_dict_t *dict, pdfio_dict_cb_t cb, void *cb_data) _PDFIO_PUBLIC; extern const char *pdfioFileGetKeywords(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetArray(pdfio_dict_t *dict, const char *key, pdfio_array_t *value) _PDFIO_PUBLIC; extern const char *pdfioFileGetName(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetBinary(pdfio_dict_t *dict, const char *key, const unsigned char *value, size_t valuelen) _PDFIO_PUBLIC; extern size_t pdfioFileGetNumObjs(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetBoolean(pdfio_dict_t *dict, const char *key, bool value) _PDFIO_PUBLIC; extern size_t pdfioFileGetNumPages(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetDate(pdfio_dict_t *dict, const char *key, time_t value) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioFileGetObj(pdfio_file_t *pdf, size_t n) _PDFIO_PUBLIC;
extern bool pdfioDictSetDict(pdfio_dict_t *dict, const char *key, pdfio_dict_t *value) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioFileGetPage(pdfio_file_t *pdf, size_t n) _PDFIO_PUBLIC;
extern bool pdfioDictSetName(pdfio_dict_t *dict, const char *key, const char *value) _PDFIO_PUBLIC; extern pdfio_permission_t pdfioFileGetPermissions(pdfio_file_t *pdf, pdfio_encryption_t *encryption) _PDFIO_PUBLIC;
extern bool pdfioDictSetNull(pdfio_dict_t *dict, const char *key) _PDFIO_PUBLIC; extern const char *pdfioFileGetProducer(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetNumber(pdfio_dict_t *dict, const char *key, double value) _PDFIO_PUBLIC; extern const char *pdfioFileGetSubject(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetObj(pdfio_dict_t *dict, const char *key, pdfio_obj_t *value) _PDFIO_PUBLIC; extern const char *pdfioFileGetTitle(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetRect(pdfio_dict_t *dict, const char *key, pdfio_rect_t *value) _PDFIO_PUBLIC; extern const char *pdfioFileGetVersion(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern bool pdfioDictSetString(pdfio_dict_t *dict, const char *key, const char *value) _PDFIO_PUBLIC; extern pdfio_file_t *pdfioFileOpen(const char *filename, pdfio_password_cb_t password_cb, void *password_data, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern bool pdfioDictSetStringf(pdfio_dict_t *dict, const char *key, const char *format, ...) _PDFIO_PUBLIC _PDFIO_FORMAT(3,4); extern void pdfioFileSetAuthor(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetCreationDate(pdfio_file_t *pdf, time_t value) _PDFIO_PUBLIC;
extern void pdfioFileSetCreator(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetKeywords(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern bool pdfioFileSetPermissions(pdfio_file_t *pdf, pdfio_permission_t permissions, pdfio_encryption_t encryption, const char *owner_password, const char *user_password) _PDFIO_PUBLIC;
extern void pdfioFileSetSubject(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetTitle(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern bool pdfioFileClose(pdfio_file_t *pdf) _PDFIO_PUBLIC; extern bool pdfioObjClose(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileCreate(const char *filename, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC; extern pdfio_obj_t *pdfioObjCopy(pdfio_file_t *pdf, pdfio_obj_t *srcobj) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateArrayObj(pdfio_file_t *pdf, pdfio_array_t *array) _PDFIO_PUBLIC; extern pdfio_stream_t *pdfioObjCreateStream(pdfio_obj_t *obj, pdfio_filter_t compression) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateNumberObj(pdfio_file_t *pdf, double number) _PDFIO_PUBLIC; extern pdfio_array_t *pdfioObjGetArray(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateObj(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC; extern pdfio_dict_t *pdfioObjGetDict(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileCreateOutput(pdfio_output_cb_t output_cb, void *output_ctx, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC; extern unsigned short pdfioObjGetGeneration(pdfio_obj_t *obj) _PDFIO_PUBLIC;
// TODO: Add number, array, string, etc. versions of pdfioFileCreateObject? extern size_t pdfioObjGetLength(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioFileCreatePage(pdfio_file_t *pdf, pdfio_dict_t *dict) _PDFIO_PUBLIC; extern size_t pdfioObjGetNumber(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileCreateStringObj(pdfio_file_t *pdf, const char *s) _PDFIO_PUBLIC; extern const char *pdfioObjGetSubtype(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileCreateTemporary(char *buffer, size_t bufsize, const char *version, pdfio_rect_t *media_box, pdfio_rect_t *crop_box, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC; extern const char *pdfioObjGetType(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileFindObj(pdfio_file_t *pdf, size_t number) _PDFIO_PUBLIC; extern pdfio_stream_t *pdfioObjOpenStream(pdfio_obj_t *obj, bool decode) _PDFIO_PUBLIC;
extern const char *pdfioFileGetAuthor(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern time_t pdfioFileGetCreationDate(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetCreator(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioFileGetID(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetKeywords(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetName(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern size_t pdfioFileGetNumObjs(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern size_t pdfioFileGetNumPages(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileGetObj(pdfio_file_t *pdf, size_t n) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioFileGetPage(pdfio_file_t *pdf, size_t n) _PDFIO_PUBLIC;
extern pdfio_permission_t pdfioFileGetPermissions(pdfio_file_t *pdf, pdfio_encryption_t *encryption) _PDFIO_PUBLIC;
extern const char *pdfioFileGetProducer(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetSubject(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetTitle(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern const char *pdfioFileGetVersion(pdfio_file_t *pdf) _PDFIO_PUBLIC;
extern pdfio_file_t *pdfioFileOpen(const char *filename, pdfio_password_cb_t password_cb, void *password_data, pdfio_error_cb_t error_cb, void *error_data) _PDFIO_PUBLIC;
extern void pdfioFileSetAuthor(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetCreationDate(pdfio_file_t *pdf, time_t value) _PDFIO_PUBLIC;
extern void pdfioFileSetCreator(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetKeywords(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern bool pdfioFileSetPermissions(pdfio_file_t *pdf, pdfio_permission_t permissions, pdfio_encryption_t encryption, const char *owner_password, const char *user_password) _PDFIO_PUBLIC;
extern void pdfioFileSetSubject(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern void pdfioFileSetTitle(pdfio_file_t *pdf, const char *value) _PDFIO_PUBLIC;
extern bool pdfioObjClose(pdfio_obj_t *obj) _PDFIO_PUBLIC; extern bool pdfioPageCopy(pdfio_file_t *pdf, pdfio_obj_t *srcpage) _PDFIO_PUBLIC;
extern pdfio_obj_t *pdfioObjCopy(pdfio_file_t *pdf, pdfio_obj_t *srcobj) _PDFIO_PUBLIC; extern size_t pdfioPageGetNumStreams(pdfio_obj_t *page) _PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioObjCreateStream(pdfio_obj_t *obj, pdfio_filter_t compression) _PDFIO_PUBLIC; extern pdfio_stream_t *pdfioPageOpenStream(pdfio_obj_t *page, size_t n, bool decode) _PDFIO_PUBLIC;
extern pdfio_array_t *pdfioObjGetArray(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_dict_t *pdfioObjGetDict(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern unsigned short pdfioObjGetGeneration(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern size_t pdfioObjGetLength(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern size_t pdfioObjGetNumber(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern const char *pdfioObjGetSubtype(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern const char *pdfioObjGetType(pdfio_obj_t *obj) _PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioObjOpenStream(pdfio_obj_t *obj, bool decode) _PDFIO_PUBLIC;
extern bool pdfioPageCopy(pdfio_file_t *pdf, pdfio_obj_t *srcpage) _PDFIO_PUBLIC; extern bool pdfioStreamClose(pdfio_stream_t *st) _PDFIO_PUBLIC;
extern size_t pdfioPageGetNumStreams(pdfio_obj_t *page) _PDFIO_PUBLIC; extern bool pdfioStreamConsume(pdfio_stream_t *st, size_t bytes) _PDFIO_PUBLIC;
extern pdfio_stream_t *pdfioPageOpenStream(pdfio_obj_t *page, size_t n, bool decode) _PDFIO_PUBLIC; extern bool pdfioStreamGetToken(pdfio_stream_t *st, char *buffer, size_t bufsize) _PDFIO_PUBLIC;
extern ssize_t pdfioStreamPeek(pdfio_stream_t *st, void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamPrintf(pdfio_stream_t *st, const char *format, ...) _PDFIO_PUBLIC _PDFIO_FORMAT(2, 3);
extern bool pdfioStreamPutChar(pdfio_stream_t *st, int ch) _PDFIO_PUBLIC;
extern bool pdfioStreamPuts(pdfio_stream_t *st, const char *s) _PDFIO_PUBLIC;
extern ssize_t pdfioStreamRead(pdfio_stream_t *st, void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamWrite(pdfio_stream_t *st, const void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamClose(pdfio_stream_t *st) _PDFIO_PUBLIC; extern char *pdfioStringCreate(pdfio_file_t *pdf, const char *s) _PDFIO_PUBLIC;
extern bool pdfioStreamConsume(pdfio_stream_t *st, size_t bytes) _PDFIO_PUBLIC; extern char *pdfioStringCreatef(pdfio_file_t *pdf, const char *format, ...) _PDFIO_FORMAT(2, 3) _PDFIO_PUBLIC;
extern bool pdfioStreamGetToken(pdfio_stream_t *st, char *buffer, size_t bufsize) _PDFIO_PUBLIC;
extern ssize_t pdfioStreamPeek(pdfio_stream_t *st, void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamPrintf(pdfio_stream_t *st, const char *format, ...) _PDFIO_PUBLIC _PDFIO_FORMAT(2,3);
extern bool pdfioStreamPutChar(pdfio_stream_t *st, int ch) _PDFIO_PUBLIC;
extern bool pdfioStreamPuts(pdfio_stream_t *st, const char *s) _PDFIO_PUBLIC;
extern ssize_t pdfioStreamRead(pdfio_stream_t *st, void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern bool pdfioStreamWrite(pdfio_stream_t *st, const void *buffer, size_t bytes) _PDFIO_PUBLIC;
extern char *pdfioStringCreate(pdfio_file_t *pdf, const char *s) _PDFIO_PUBLIC; #ifdef __cplusplus
extern char *pdfioStringCreatef(pdfio_file_t *pdf, const char *format, ...) _PDFIO_FORMAT(2,3) _PDFIO_PUBLIC;
# ifdef __cplusplus
} }
# endif // __cplusplus #endif // __cplusplus
#endif // !PDFIO_H #endif // !PDFIO_H

9
test_mod.c
View File

@ -17,14 +17,15 @@ int main (int argc, char **argv)
pdfio_obj_t *obj_page = pdfioFileGetPage(pdf, 0); pdfio_obj_t *obj_page = pdfioFileGetPage(pdf, 0);
pdfio_dict_t *dict_page = pdfioObjGetDict(obj_page); pdfio_dict_t *dict_page = pdfioObjGetDict(obj_page);
size_t num_keys = pdfioDictGetNumKeys(dict_page); size_t num_keys = pdfioDictGetNumPairs(dict_page);
printf("Number of keys in this page: %d\n", num_keys); printf("Number of keys in this page: %d\n", num_keys);
const char *key;
for (unsigned int i = 0; i < num_keys; ++i) for (unsigned int i = 0; i < num_keys; ++i)
{ {
pdfio_dictKey_t dict_key; key = pdfioDictGetKeyByIndex(dict_page, i);
pdfioDictGetKeyByIndex(dict_page, i, &dict_key); pdfio_valtype_t type = pdfioDictGetType(dict_page, key);
printf("\t%s (%d)\n", dict_key.key, dict_key.type); printf("\t%s (%d)\n", key, type);
} }
pdfioFileClose(pdf); pdfioFileClose(pdf);