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https://github.com/qpdf/qpdf.git
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9044a24097
Use get() and use_count() instead. Add #define NO_POINTERHOLDER_DEPRECATION to remove deprecation markers for these only. This commit also removes all deprecated PointerHolder API calls from qpdf's code except in PointerHolder's test suite, which must continue to test the deprecated APIs.
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
#include <qpdf/BufferInputSource.hh>
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#include <qpdf/PointerHolder.hh>
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#include <qpdf/Buffer.hh>
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#include <qpdf/QPDFTokenizer.hh>
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#include <iostream>
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#include <cstring>
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static PointerHolder<Buffer>
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get_buffer()
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{
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size_t size = 3172;
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PointerHolder<Buffer> b(new Buffer(size));
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unsigned char* p = b->getBuffer();
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for (size_t i = 0; i < size; ++i)
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{
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p[i] = static_cast<unsigned char>(i & 0xff);
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}
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return b;
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}
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class Finder: public InputSource::Finder
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{
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public:
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Finder(PointerHolder<InputSource> is, std::string const& after) :
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is(is),
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after(after)
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{
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}
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virtual ~Finder()
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{
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}
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virtual bool check();
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private:
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PointerHolder<InputSource> is;
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std::string after;
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};
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bool
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Finder::check()
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{
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QPDFTokenizer tokenizer;
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QPDFTokenizer::Token t = tokenizer.readToken(is, "finder", true);
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if (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, "potato"))
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{
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t = tokenizer.readToken(is, "finder", true);
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return (t == QPDFTokenizer::Token(QPDFTokenizer::tt_word, after));
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}
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return false;
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}
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void check(char const* description, bool expected, bool actual)
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{
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std::cout << description << ": "
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<< ((actual == expected) ? "PASS" : "FAIL")
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<< std::endl;
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}
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int main()
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{
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PointerHolder<Buffer> b1 = get_buffer();
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unsigned char* b = b1->getBuffer();
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// Straddle block boundaries
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memcpy(b + 1022, "potato", 6);
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// Overlap so that the first check() would advance past the start
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// of the next match
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memcpy(b + 2037, "potato potato salad ", 20);
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PointerHolder<InputSource> is =
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new BufferInputSource("test buffer input source", b1.get());
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Finder f1(is, "salad");
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check("find potato salad", true,
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is->findFirst("potato", 0, 0, f1));
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check("barely find potato salad", true,
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is->findFirst("potato", 1100, 945, f1));
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check("barely find potato salad", true,
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is->findFirst("potato", 2000, 45, f1));
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check("potato salad is too late", false,
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is->findFirst("potato", 1100, 944, f1));
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check("potato salad is too late", false,
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is->findFirst("potato", 2000, 44, f1));
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check("potato salad not found", false,
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is->findFirst("potato", 2045, 0, f1));
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check("potato salad not found", false,
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is->findFirst("potato", 0, 1, f1));
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// Put one more right at EOF
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memcpy(b + b1->getSize() - 12, "potato salad", 12);
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check("potato salad at EOF", true,
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is->findFirst("potato", 3000, 0, f1));
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is->findFirst("potato", 0, 0, f1);
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check("findFirst found first", true,
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is->tell() == 2056);
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check("findLast found potato salad", true,
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is->findLast("potato", 0, 0, f1));
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check("findLast found at EOF", true,
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is->tell() == 3172);
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// Make check() bump into EOF
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memcpy(b + b1->getSize() - 6, "potato", 6);
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check("potato but not salad salad at EOF", false,
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is->findFirst("potato", 3000, 0, f1));
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check("findLast found potato salad", true,
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is->findLast("potato", 0, 0, f1));
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check("findLast found first one", true,
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is->tell() == 2056);
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return 0;
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}
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