diff options
Diffstat (limited to 'lib/install.c')
| -rw-r--r-- | lib/install.c | 189 |
1 files changed, 184 insertions, 5 deletions
diff --git a/lib/install.c b/lib/install.c index a2fdf9f..8930362 100644 --- a/lib/install.c +++ b/lib/install.c @@ -35,12 +35,191 @@ int spm_hierarchy_make_root(SPM_Hierarchy *fs) { return 0; } -void spm_install_show_package(ManifestPackage *package) { +/** + * Generates a formatted string containing package information + * + * `%n` = Package name + * `%v` = Package version + * `%V` = Package version and revision (separated by a hyphen (`-`)) + * `%r` = Package revision + * `%o` = Package origin + * `%a` = Package filename on disk + * `%c` = Package checksum (sha256) + * `%s` = Package size (byte) + * `%S` = Package size (human readable) + * + * @param package Pointer to `ManifestPackage` + * @param fmt Format string + * @return `malloc()`ed string + */ +char *spm_get_package_info_str(ManifestPackage *package, const char *fmt) { + // Allocate at least enough space for the character arrays in ManifestPackage (there are several) + char *output = calloc(1, sizeof(ManifestPackage)); + + // Stores raw record data + char tmp[SPM_PACKAGE_MEMBER_SIZE]; + + // Stores width string (i.e. '%-12n' is parsed as '12') + char str_width[10]; + + // Record the maximum number of bytes to read + size_t len_fmt = strlen(fmt); + + // Begin reading format string + for (size_t i = 0; i < len_fmt; i++) { + size_t width = 0; // Default string padding amount + int when = -1; // When string padding is applied (-1 = none, 0 = before, 1 = after) + char *hrs = NULL; // Buffer for human_readable_size + + // Truncate temporary strings + tmp[0] = '\0'; + str_width[0] = '\0'; + + // Begin parsing formatter + if (fmt[i] == '%') { + // Advance to next character + i++; + + // When the next character is a hyphen write string padding after the requested value + if (fmt[i] == '-') { + when = 1; + i++; + } + + // Is the next character a number? + if (isdigit(fmt[i])) { + if (when != 1) { // read as: "if padding not altered already" + when = 0; // got no '-' but landed on some digits, so pad "before" + } + + // Consume the numerical string and convert it to an integer + int j = 0; + while (isdigit(fmt[i])) { + memcpy(&str_width[j], &fmt[i], 1); + j++; + i++; + } + str_width[j] = 0; + width = strtoul(str_width, NULL, 10); + } + + // Retrieve information based on requested format character' + switch (fmt[i]) { + case 'n': + strcpy(tmp, package->name); + break; + case 'v': + strcpy(tmp, package->version); + break; + case 'V': + strcpy(tmp, package->version); + strcat(tmp, "-"); + strcat(tmp, package->revision); + break; + case 'r': + strcpy(tmp, package->revision); + break; + case 'o': + strcpy(tmp, package->origin); + break; + case 'a': + strcpy(tmp, package->archive); + break; + case 'c': + strcpy(tmp, package->checksum_sha256); + break; + case 's': + sprintf(tmp, "%zu", package->size); + break; + case 'S': + hrs = human_readable_size(package->size); + strcpy(tmp, hrs); + free(hrs); + break; + default: + // Formatter is not registered above. Oh well. + continue; + } + + // Pad the string up to the length of the length of `tmp` + int width_final = ((int)width - (int)strlen(tmp)); + + // When `tmp` is longer than the requested width, use the original width + if (width_final < 0) { + width_final = width; + } + + // Write padding "before" appending `tmp` to the output string + if (when == 0) { + for (size_t m = 0; m < width_final; m++) { + strcat(output, " "); + } + } + + // Append data to output string + strcat(output, tmp); + + // Write padding "after" appending `tmp` to the output string + if (when == 1) { + for (size_t m = 0; m < width_final; m++) { + strcat(output, " "); + } + } + } else { + // Data was not parsed as a formatter, so append it to the output string as-is + strncat(output, &fmt[i], 1); + } + } + + return output; +} + +void spm_show_package(ManifestPackage *package) { + char *output = NULL; + if (package == NULL) { - fprintf(stderr, "ERROR: package was NULL\n"); + spmerrno = SPM_ERR_MANIFEST_INVALID; + spmerrno_cause("ManifestPackage was NULL\n"); + return; + } + + output = spm_get_package_info_str(package, "%-20n %-10V %8S %4o"); + + if (output == NULL) { + spmerrno = SPM_ERR_PKG_INVALID; + spmerrno_cause("spm_get_package_info_str did not succeed"); return; } - printf(" -> %-20s %-10s (origin: %s)\n", package->name, package->version, package->origin); + puts(output); + free(output); +} + +void spm_show_package_manifest(Manifest *info) { + char *output = NULL; + + if (info == NULL) { + spmerrno = SPM_ERR_MANIFEST_INVALID; + spmerrno_cause("Manifest was NULL\n"); + return; + } + + for (size_t m = 0; m < info->records; m++) { + spm_show_package(info->packages[m]); + } + +} +void spm_show_packages(ManifestList *info) { + char *output = NULL; + + if (info == NULL) { + spmerrno = SPM_ERR_MANIFEST_INVALID; + spmerrno_cause("ManifestList was NULL"); + return; + } + + for (size_t i = 0; i < manifestlist_count(info); i++) { + spm_show_package_manifest(manifestlist_item(info, i)); + } } /** @@ -249,7 +428,7 @@ int spm_do_install(SPM_Hierarchy *fs, ManifestList *mf, StrList *packages) { // Install packages printf("Requested package(s):\n"); for (size_t i = 0; requirements !=NULL && requirements[i] != NULL; i++) { - spm_install_show_package(requirements[i]); + spm_show_package(requirements[i]); } if (SPM_GLOBAL.prompt_user) { @@ -333,7 +512,7 @@ int spm_do_install(SPM_Hierarchy *fs, ManifestList *mf, StrList *packages) { continue; } - spm_install_show_package(requirements[i]); + spm_show_package(requirements[i]); spm_install(fs, tmpdir, package_path); // Relocate installation root |