Add C API to QPDFLogger

1 files changed, 108 insertions, 0 deletions

diff --git a/libtests/logger_c.c b/libtests/logger_c.c
new file mode 100644
index 00000000..94815601
--- /dev/null
+++ b/libtests/logger_c.c
@@ -0,0 +1,108 @@
+#include <qpdf/assert_test.h>
+
+#include <qpdf/qpdflogger-c.h>
+
+#include <qpdf/Constants.h>
+#include <qpdf/qpdfjob-c.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static void
+fn(char const* data, size_t len, void* udata)
+{
+    FILE* f = (FILE*)udata;
+    fwrite(data, 1, len, f);
+}
+
+static void
+do_run(char const* json, int exp_status)
+{
+    int status = qpdfjob_run_from_json(json);
+    assert(status == exp_status);
+}
+
+static FILE*
+do_fopen(char const* filename)
+{
+    FILE* f = NULL;
+#ifdef _MSC_VER
+    if (fopen_s(&f, filename, "wb") != 0) {
+        f = NULL;
+    }
+#else
+    f = fopen(filename, "wb");
+#endif
+    if (f == NULL) {
+        fprintf(stderr, "unable to open %s\n", filename);
+        exit(2);
+    }
+    return f;
+}
+
+int
+main()
+{
+    FILE* info = do_fopen("info");
+    FILE* warn = do_fopen("warn");
+    FILE* error = do_fopen("error");
+    FILE* save = do_fopen("save");
+    FILE* save2 = do_fopen("save2");
+    qpdflogger_handle l = qpdflogger_default_logger();
+
+    qpdflogger_set_info(l, qpdf_log_dest_custom, fn, (void*)info);
+    qpdflogger_set_warn(l, qpdf_log_dest_custom, fn, (void*)warn);
+    qpdflogger_set_error(l, qpdf_log_dest_custom, fn, (void*)error);
+    qpdflogger_set_save(l, qpdf_log_dest_custom, fn, (void*)save, 0);
+
+    do_run(
+        "{\"inputFile\": \"normal.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_success);
+    do_run(
+        "{\"inputFile\": \"warning.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_warning);
+    do_run(
+        "{\"inputFile\": \"missing.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_error);
+    do_run(
+        "{\"inputFile\": \"normal.pdf\","
+        " \"staticId\": \"\","
+        " \"outputFile\": \"-\"}",
+        qpdf_exit_success);
+
+    fclose(info);
+    fclose(warn);
+    fclose(error);
+    fclose(save);
+
+    qpdflogger_set_info(l, qpdf_log_dest_stderr, NULL, NULL);
+    qpdflogger_set_warn(l, qpdf_log_dest_stdout, NULL, NULL);
+    qpdflogger_set_error(l, qpdf_log_dest_default, NULL, NULL);
+    qpdflogger_set_save(l, qpdf_log_dest_custom, fn, (void*)save2, 0);
+
+    do_run(
+        "{\"inputFile\": \"2pages.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_success);
+    do_run(
+        "{\"inputFile\": \"warning.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_warning);
+    do_run(
+
+        "{\"inputFile\": \"missing.pdf\", \"showNpages\": \"\"}",
+        qpdf_exit_error);
+    do_run(
+        "{\"inputFile\": \"attach.pdf\","
+        " \"showAttachment\": \"a\"}",
+        qpdf_exit_success);
+
+    /* This won't change save since it's already set */
+    qpdflogger_save_to_standard_output(l, 1);
+    do_run(
+        "{\"inputFile\": \"attach.pdf\","
+        " \"showAttachment\": \"a\"}",
+        qpdf_exit_success);
+
+    qpdflogger_cleanup(&l);
+
+    return 0;
+}